1991 : Gulf War oil spill
Gulf War oil spill
Enormous amounts of oil were spilled into the Arabian Gulf when the Iraqi Army occupying Kuwait began destroying tankers, oil terminals, and oil wells late in January 1991.
The slick reached a maximum size of 160 by 65 kilometers (100 by 40 miles) and the oil had a devastating effects on coral, fish and shellfish in the Gulf.
Approximately 30,000 seabirds were killed directly by exposure to oil and 1,300 kilometers (800 miles) of coastlines in Kuwait and Saudi Arabia were oiled. Close to half of the coral of the region suffered effects, including coral bleaching, and hundreds of square kilometers of seaweed fields were damaged. Endangered animals such as the Dugong and sea turtles are also suspected to have suffered population losses.
In addition, the black oily rain from the fallout of hundreds of oil wells set aflame during the war might have nearly doubled the amount of oil spilled directly into the Gulf.
Bergan oil field fires, Kuwait 1991.
• NOAA Incident News: Arabian Gulf Spills
• Environmental Warfare: 1991 Persian Gulf War
• CNN: The Unfinished War

2010 : BP Deepwater Horizon
BP Deepwater Horizon
The Deepwater Horizon offshore drilling rig suffered a blowout at 9:45 in the morning of April 20, 2010. Of the 126 workers that were on the rig at the time 11 died in the resulting explosions. The rig burned for two days, finally sinking on April 22nd. Shortly thereafter it was found that the wellhead, on the ocean-floor 1,500 meters below, had been damaged and was leaking oil into the water. The first estimates of the spill rate were at 1,000 barrels per day, later estimates during May and June once underwater footage of the leaking well had been released moved the figure from 5 to 25 thousand barrels per day, and finally to 35-60 thousand barrels per day. This is equal to an Exxon Valdez disaster every four to seven days. The Ixtoc I oil well in the southern Gulf of Mexico which suffered a similar blowout in 1980 took nearly a full 10 months to be capped, and several attempts by BP to stop the Deepwater Horizon flow failed before it could finally be contained on July 15.
The oil slick spread quickly over the ocean surface, covering 1,500 square kilometers (580 sq miles) by April 25 and over 6,500 square kilometers (2,500 sq miles) by the beginning of May. Hundreds of kilometers of the Louisiana shoreline was contaminated, including several wildlife refuges important for sea turtles as well as hundreds of species of birds. Tar balls from the spill also reached beaches and islands in Mississippi, Alabama, Florida and Texas.
The Deepwater Horizon rig on fire before sinking.
NASA satellite images; April 29, May 17 and June 18
Google Crisis Response: Gulf of Mexico Oil Spill.
• Deepwater Horizon Response
• NOAA Incident News: Deepwater Horizon
• EPA: BP Spill
• BBC News: BP oil disaster
• Wikipedia: Deepwater Horizon oil spill
• Mongabay: Oil spill in Gulf of Mexico heading towards environmental disaster
• Live Camera on the ocean floor showing the leak

Deepwater Disaster Blues
Greenpeace US: BP Deepwater Disaster and Gulf Oil Spill
Visit the Greenpeace Gulf Oil Spill page to find out more.
< < Back

1979-1980 : Ixtoc I oil well
Ixtoc I oil well
The Ixtoc I oil well was a 2 mile deep exploratory drilling site. A blowout of oil and gas out of the well ignited on June 3rd, 1979 causing the platform to catch fire. After the burning platform collapsed there were great difficulties controlling the well, which continued to leak 10,000 - 30,000 barrels per day into the Gulf of Mexico until it was finally capped almost 10 months later.
The ocean currents carried much of the spill towards Texas and in total 260 kilometers (162 miles) of U.S. beaches were oiled. Marshes, mangroves and sand beaches - including some of the few remaining nesting sites for the critically endangered Kemp's Ridley sea turtle - were affected.
IXTOC I well blowout.
• NOAA Incident News: IXTOC I
• Nature.com: Ixtoc 1 oil spill
• Sedco 135F - IXTOC I

1979 : Atlantic Empress / Aegean Captain
Atlantic Empress / Aegean Captain
The Atlantic Empress collided with the Aegean Captain in the evening of July 19th, 1979 in the Caribbean Sea 10 miles off Tobago. The Atlantic Empress (carrying 276,000 tonnes of crude oil) caught fire, as did the bow section of the Aegean Captain (carrying 200,000 tonnes of crude oil) and 26 crew members were killed. While the fire on the Aegean Captain could be brought under control the Atlantic Empress burned until August 3rd, when it sank after being towed to deeper water.
No significant shore pollution was recorded on the islands in the area and it appears the spill never reached land. However, no full impact study was ever carried out.
The Atlantic Empress burning.
• Cedre.fr: Atlantic Empress/Aegean Captain
• ITOPF: Data & Statistics
• CTX: Atlantic Empress

1992 : Fergana Valley oil spill
Fergana Valley oil spill
A blowout occurred at oil well #5 in Mingbulak, Uzbekistan on March 2nd 1992. The uncontrolled flow of oil caught fire and continued for about 2 months, at an estimated rate of 35,000 to 150,000 barrels per day.
The surrounding farmland was polluted and residents in the area had to be evacuated.
• Oil & Gas Journal: Huge blowout reported in Uzbekistan
• Oil and Gas Resources of the Fergana Basin (PDF)

1991 : ABT Summer
ABT Summer
The ABT Summer suffered damage in bad weather while rounding the Cape of Good Hope. During repairs at sea in the waters of Angola an explosion occurred in a water ballast tank, which crude oil appears to have leaked into. The vessel finally sank on May 28, 1991 roughly 700 nautical miles off the coast of Angola.
• CTX: ABT Summer
• ITOPF: Data & Statistics

1983-1985 : Nowruz oil field
Nowruz oil field
A tanker collided with an oil platform in the Nowruz Oil Field, Iran on February 10th, 1983. The well began to leak approximately 1,500 barrels per day and could not be capped because of the ongoing Iran-Iraq war. In March the platform was attacked by Iraqi planes and the oil slick caught fire. Other platforms attacked began to leak an additional 5,000 barrels per day after the attacks.
In May 1985 the last of the fires were extinguished, and the wells could finally be plugged. Estimates for this spill on the internet vary between 733,000 and 4 million barrels.
• NOAA Incident News: Nowruz Oil Field
• Cedre.fr: Nowruz

1983 : Castillo de Bellver
Castillo de Bellver
The Castillo de Bellver caught fire near Cape Town, South Africa on August 6th 1983. The ship broke in two during the fire and started drifting towards the shore - the stern section sank 24 miles off the coast, with perhaps 100,000 tonnes of oil remaining in the tanks. The bow section was towed further away from the coast and sunk using controlled explosives.
The spill had relatively little impact, considering the size of the spill. 1,500 oiled gannets were found on an island near the coast where they had been gathering for the onset of the breeding season. A black rain that fell on wheat fields and sheep grazing lands west of the explosion and fire in the days following the accident.
Thick black smoke from the Castillo de Bellver fire.

1978 : Amoco Cadiz
Amoco Cadiz
The Amoco Cadiz ran aground on March 16th, 1978 following a steering mechanism failure. The accident created a slick 30 by 130 kilometers (18 by 80 miles) long which polluted approximately 360 kilometers (220 miles) of Brittany coastline. Two weeks after the accident millions of dead molluscs, sea urchins and other species washed ashore. 20,000 dead birds were recorded.
The oil contaminated shoreline from Brest to Saint Brieuc, and even as far east as the Channel Islands.
The Amoco Cadiz sinking.
• Cedre.fr: Amoco Cadiz
• ITOPF: Amoco Cadiz
• NOAA Incident News: Amoco Cadiz

1972-1992 : ChevronTexaco Amazon oil spill
ChevronTexaco Amazon oil spill
In 1993 a number of Indian tribes from the Ecuadorian Amazon filed a lawsuit against Texaco for ruining their rivers and land, causing widespread devastation to the rainforest environment, and creating a dramatically increased risk of cancer for tens of thousands of people. The lawsuit states that Texaco dumped millions of gallons of waste oil products into the pristine rainforest river environment rather than re-inject it back into the well which is the industry practice in other parts of the world. Water and soil samples taken in the rainforest by toxicologists indicate life-threatening levels of Benzene, Toluene, Xylenes, and highly carcinogenic Polycyclic Aromatic Hydrocarbons.
Texaco extracted oil from the Ecuadorian Amazon from 1972 to 1992 at the rate of 220,000 to 250,000 barrels per day. An estimated 18.5 billion gallons of toxic waste water products were dumped into the river system or left in open, unlined pits during this time. While it is difficult to say exactly how many million gallons of crude oil this would correspond to, current estimates are at around three times the amount spilled in the Exxon Valdez disaster. The area that has been contaminated is roughly the size of the state of Rhode Island.
In June of 1992 Texaco withdrew from Ecuador, but many areas are still in need of cleanup operations and local peoples have still not been compensated. In some villages near polluted water sources, the rate of cancer is 1,000 times higher than the historical norm for the area, and hundreds of open-air leaking toxic waste pits still remain in the jungle without any cleanup performed.
In addition, 16.8 million gallons of crude oil has also been spilled directly from pipelines by ChevronTexaco's operations in the area.
This placemark marks the Sacha Sur area which was among the places reviewed during the lawsuit in March 2006. The Amazon Watch website has a video from the inspection (Spanish).
Texaco's Ecuador Operation.
Map of Texaco's Operations in Ecuador (ChevronToxico.com)
• Justicia Now! : a documentary about Chevron Texaco's legacy in the Amazon
• ChevronToxico: Texaco in Ecuador
• Amazon Watch: Newsroom
• Rainforest Relief: Texaco's Legacy of Pollution in the Amazon
• New York Times: Texaco Goes on Trial in Ecuador Pollution Case

Justicia Now!
One Peoples Fight Against Big Oil
Download the full documentary for free from Mofilms.org
This placemark marks the Texaco Uno well - the site where the demonstration featured in the full documentary takes place.
< < Back

1991 : Haven
Haven
The Haven tanker caught fire and exploded while anchored off Genoa, Italy on April 11, 1991. The ship split in three parts in the explosions, one part sank straight away and the remaining two sank during towing. Much of the oil was burned at sea but the slick still covered an estimated 12 by 4 kilometer (7.5 by 2.5 miles) three days after the spill. In the end close to 110 kilometers (70 miles) of coastline needed to be cleaned up, even though booms had been rapidly deployed to protect beaches from the slick. In some fishing areas a 43% reduction in fish populations could be noted after the spill.
The Haven tanker on fire.

1988 : Odyssey
Odyssey
700 nautical miles off Nova Scotia, Canada
The Odyssey tanker broke in two in heavy weather and caught fire before sinking on November 10th, 1988. There were no survivors among the 27 men crew.
• CTX: Odyssey
• ITOPF: Data & Statistics

Libya D-103 oil well
No information is available about this incident.
• Pollutionissues.com: Petroleum
• History of Oil Pollution

1967 : Torrey Canyon
Torrey Canyon
The Torrey Canyon was the first major supertanker disaster. Some 80 kilometers (50 miles) of French and 190 kilometers (120 miles) of Cornish coast were contaminated. Around 15,000 sea birds were killed, along with huge numbers of marine organisms, before the 700 square kilometers (270 square miles) slick dispersed. Much damage was also caused by the tens of thousands of toxic solvent-emulsifiers used to clean up the spill.
The Torrey Canyon after hitting Pollard's Rock on Seven Stones Reef off Lands End, England.
• ITOPF: Torrey Canyon
• The Torrey Canyon's last voyage
• Cedre.fr: Torrey Canyon

1972 : Sea Star
Sea Star
The South Korean tanker Sea Star and the Brazilian tanker Horta Barbossa collided on the night of December 19th, 1972 in good visibility and light wind. The Horta Barbossa struck the Sea Star almost at right angles just forward of the bridge. Sea Star exploded and sank, killing 11 of her crew.
• CTX: Sea Star
• NOAA Incident News: Sea Star

1981 : Shuaiba Petroleum Tank
Shuaiba Petroleum Tank
No information is available about this incident.
• Environmental Warfare: 1991 Persian Gulf War
• Oil Pollution and Its Environmental Impact in the Arabian Gulf Region (Google Books)

1971 : Texaco Denmark
Texaco Denmark
No information is available about this incident.
• INTERTANKO | Tanker Facts 2006
• Historical Overview of Oil Spills From All Sources (1960-1998) (PDF)

1980 : Irenes Serenade
Irenes Serenade
The Irenes Serenade burst into flames after an explosion occurred while anchoring off Pylos, Greece. The fire spread throughout ship which finally sank off Sfaktiria Island at 05:30 the next morning.
• CTX: Irenes Serenade

1994 : Usinsk Pipeline Spill
Usinsk Pipeline Spill
A pipeline 75 kilometers north of Usinsk in Russia began leaking in February 1994. Initially the leak was contained behind a dyke, though in October the same year heavy rains broke the dyke and thousands of tonnes of oil spilled into the Kolva River and out over the Arctic tundra.
Much of Russia's energy infrastructure is in bad condition, and the pipeline operated by Komineft which caused this leak was 20 years old. A limited cleanup was done, though large areas still remain polluted.
• TED Case Studies: Russia Oil Spill
• Russian Arctic Oil Pipeline Spill
• Greenpeace: Devastation from Russian Oil Spill

1976 : Urquiola
Urquiola
The Urquiola oil tanker ran aground while approaching the Corunna Oil Terminal at A Coruña, Spain. The ship began to leak oil and later caught fire. Approximately 513,000 barrels, more than half of the oil onboard the ship, was burned during the 16 hour fire. A thick black cloud covered the town of A Coruña and spread over 100 kilometer inland.
Nearly 200 kilometer (125 miles) of coasts were affected. 70% of the clams, mussels and oysters the in Rio de Burgo bay were killed by the oil deposits.
The Urquiola exploding.
• Cedre.fr: Urquiola
• NOAA Incident News: Urquiola

1977 : Hawaiian Patriot
Hawaiian Patriot
The Hawaiian Patriot suffered hull damage in heavy weather on 23 Feb 1977. After exploding and catching fire it finally broke in two and sank on February 24.
• CTX: Hawaiian Patriot

1979 : Independenta
Independenta
Ship collision, caught fire and ran aground
The Independenta and the Evrialy collided on the morning of November 15th, 1979 at the southern entrance of the Bosphorus. The Independenta exploded and both vessels began to burn. The Independenta grounded a half of a mile from the port of Hydarpasa. The tanker burned for almost a month until December 14, 1979.
The Independenta burning.
• CTX: Indepenta

1978 : Pipeline 126
Pipeline 126
• Oil Spill Intelligence Report International Oil Spill Database (PDF)
• On the risks of transporting liquid and gaseous fuels in pipelines (PDF)

1975 : Jakob Maersk
Jakob Maersk
The Jakob Maersk struck a sand bank while entering the port of Leixoes, Portugal. After explosions the ship burned for two days, consuming approximately half of the oil onboard, before it sank. Oil which later leaked from the sunken hull oiled 30 kilometers (19 miles) of the Portuguese coastline.
Fire on the Jakob Maersk.
• Cedre.fr: Jakob Maersk
• NOAA Incident News: Jakob Maersk

1993 : Braer
Braer
Engine failure, ran aground in bad weather
The Braer ran aground west of Sumburgh Head, Shetland Islands on January 5th, 1993 following engine failure. The wind was too strong to mount a recovery operation, and over the next twelve days the waves broke the ship apart, spilling the 85,000 tonnes of crude oil onboard.
While seabird casualties were relatively low fish and shellfish over a large area became contaminated with oil and a Fisheries Exclusion Zone had to be set up. Millions of farmed salmon in sea cages could not be sold and had to be destroyed. Mussels and lobsters could still not be harvested 6 years later.
The Braer after running aground.

1979 : Shell Storage Tank #6
Shell Storage Tank #6
Hundreds of pipeline leaks and other oil spills happen every year in the Nigerian delta. The biggest single incident to date occurred at the Shell Forcados terminal in 1979 when 580,000 barrels of oil leaked into the delta, damaging vast areas of mangrove forest and rivers.
Turn on NASA Earth City Lights in the Google Earth Gallery layer to see the bright lights from the open burning gas flares in Nigeria's oil fields.
• Impacts of Oil Spills Along the Nigerian Coast
• Historical Overview of Oil Spills From All Sources (PDF)
• Wikipedia: Environmental issues in the Niger Delta

1979 : Newtown Creek Oil Spill
Newtown Creek Oil Spill
Newtown Creek, Greenpoint, Brooklyn, New York
A 1950 tank explosion and other leaks during the 1940's and 50's spread millions of gallons of oil through the ground across 55 acres of Greenpoint, which at the time was home to a number of major oil refineries. The leak went unnoticed until 1978 when the Coast Guard noticed an oil plume from helicopter. This led to the discovery of an huge pool of oil at the creek's bottom.
Petroleum from the spill is still leaking into Newtown Creek; globs of oil and a rainbow sheen can be seen on this small waterway separating Brooklyn and Queens.
The oil companies in charge of the refineries, ExxonMobil, ChevronTexaco, BP and others, are currently being sued by the residents of the area.
Oil in Newtown Creek.
• NYSun: Greenpoint, Maspeth Residents Lobby To Get 55-Year-Old Oil Spill Cleaned
• Riverkeeper: The Greenpoint Oil Spill on Newtown Creek
• NYTimes: The Big Spill

1992 : Katina P
Katina P
The Katina P tanker was damaged in a storm and had to be deliberately beached close to Maputo Bay on April 18, 1992. Four days later it was towed out to sea and sank in deep water.
The Katina P tanker sinking.
• NOAA Incident News: Katina P
• CTX: Katina P

1996 : Sea Empress
Sea Empress
The Sea Empress ran aground on the evening of February 15th, 1996 in bad weather. Between the 23rd of February and 4th of March 58,200 tonnes of crude oil was recovered from the ship, but an even bigger amount was spilled into the ocean. 200 kilometers (125 miles) of coastline - much of it in a National Park - was contaminated and several thousand oiled birds washed ashore. A major cleanup effort was mounted, involving mechanical recovery, trenching, beach washing, and the use of dispersants and sorbents.
Sea Empress after running aground at Saint Ann's Head at the entrance to Milford Haven Bay.
• ITOPF: Sea Empress
• Cedre.fr: Sea Empress

Khark 5
The Iranian oil tanker Khark 5 exploded and caught fire during a storm off the coast of Safi, 400 miles north of the Canary Islands on December 19, 1989. Roughly a quarter of the vessel's cargo of 250,000 tonnes was spilled through a 20 by 30 meter hole in the ships side, but it appears that little or no oil ever reached the coast.
• Cedre.fr: Khark 5
• NOAA Incident News: Khark 5

1992 : Aegean Sea
Aegean Sea
The Aegean Sea spill affected more than 300 kilometers (180 miles) of shoreline, in the same area hit just a decade earlier by the Urquiola spill. The fishing industry was badly hit by this spill which affected more than 4,000 fishermen, shellfish harvesters and fish farmers. A ban was put in place on fishing and on the sale of all seafood from the area until September 1993.
The fire from the Aegean Sea aground by Torre de Hercules near the entrance to La Coruña harbour.
Overlay Satellite Image of the Aegean Sea tanker spill. (European Space Agency)
• Cedre.fr: Aegean Sea
• CTX: Aegean Sea

Nova
140km south of Kharg Island, Gulf of Iran
Very little information is available about this incident. It appears the tanker Nova collided with a ship called Magnum south of Kharg Island, Iran.
• The Tankship Tromedy: The Impending Disasters in Tankers (PDF)

2002 : Prestige
Prestige
Bay of Biscay, Galicia, Spain (170 miles west of Vigo)
After suffering hull damage in heavy seas the Prestige tanker was towed to, but denied port in either Spain or Portugal. Towed back into the Atlantic the ship broke in two and sank in water two miles deep a week later on November 19th, 2002. Oil first came ashore in Galicia, then the Bay of Biscay and affecting the north coast of Spain and the Atlantic coast of France as far north as Brittany. Light contamination was found as far away as the French and English coasts of the English Channel. Altogether approximately 1,900 kilometer (1,200 miles) of shoreline was affected. WWF estimates the total number of birds affected during the first two months of the Prestige oil spill to be between 65,000 and 130,000. The most affected species were Guillemot (5,691 live and dead), Razorbill (2,248 live and dead) and Puffin (1,877 live and dead).
The Prestige tanker breaking in two.
Overlay Satellite Image of the Prestige spill. (European Space Agency)
• ITOPF: Prestige
• WWF: Oil spill off Spain's NW coast
• Cedre.fr: Prestige
• European Space Agency: Massive oil spill off Spanish coast

1974 : Yuyo Maru 10
Yuyo Maru 10
The Yuyo Maru 10 tanker collided with the ship Pacific Ares in the Uraga Channel in Tokyo Bay. 34 men were killed in the accident after the ship caught fire. All efforts to extinguish the fires failed and finally after 19 days the ship, still burning, was towed far out to sea and sunk by torpedo and gunfire.

1960 : Sinclair Petrolore
Sinclair Petrolore
The Sinclair Petrolore
• CTX: Sinclair Petrolore
• Historical Overview of Oil Spills (PDF)

1983 : Assimi
Assimi
A fire broke out in the engine room of the tanker Assimi on January 7th, 1983. Three days later explosions took place and the fire intensified. The Assimi finally sunk on January 16, after being towed to deep water 200 miles from the Oman coast. Further explosion occurred as the vessel split in two and sank which ignited the oil on the surface of the water.
Thanks to the vessel having been towed out to sea there was no coastal pollution resulting from the incident.
• NOAA Incident News: Assimi
• CTX: Assimi

1974 : Metula
Metula
The Metula spill affected the shores and saltmarshes of northern Tierra del Fuego. About 4,000 birds are known to have been killed, including cormorants and penguins. No cleanup was done because of the remoteness of the area, and many areas were still contaminated 20 years after the spill.
The Metula seen from the air.
• ITOPF: Metula
• NOAA Incident News: Metula

1978 : Andros Patria
Andros Patria
The Andros Patria was loaded with 208,000 tonnes of crude oil when she developed a 50 feet crack in the hull on New Year's Eve, 1978. Within two hours a fire broke out and oil started washing out into the sea. 30 of the 33 men onboard abandoned ship on a lifeboat which capsized throwing its occupants into the sea. Only the three men remaining onboard survived as they could be rescued by helicopter the following day.
The rough seas and cleanup effort using large quantities of detergent meant only a small amount of pollution from the oil slick was observed on the coast.
• Cedre.fr: Andros Patria
• CTX: Andros Patria

1970 : Ennerdale
Ennerdale
The Ennerdale grounded on an unmarked rock in the Seychelles on June 1st 1970. About 45,000 tonnes of oil were spilled. The area has recovered enough that the wreck is now a dive site - the reef she hit has been named Ennerdale Rocks.

1968 : World Glory
World Glory
The World Glory tanker broke in two close to Durban, South Africa in gale force winds and poor visibility. 24 crew members were lost. The stern section of the vessel sank after two hours, while the bow section drifted 40 miles southwest before it too sank.
A 95 kilometers (60 miles) long oil slick came within two miles of the South Africa coast and close to the St. Lucia Game Reserve but the $420,000 cleanup operation appears to have succeeded in avoiding the worst of the effects.
• NOAA Incident News: World Glory
• CTX: World Glory

1983 : Pericles GC
Pericles GC
A fire broke out in the engine room of the Pericles GC about 200 miles off Doha in Qatar. The crew abandoned the ship which sank after explosions and came to rest on the sea bed with 30 feet of the hull visible above water.

1980 : Funiwa No. 5 Well
Funiwa No. 5 Well
Tecaxo's Funiwa 5 well suffered a blowout on January 17th 1980. The well (also known as North Apoi 20) leaked an estimated 146,000 - 421,000 barrels of oil before it caught fire on January 30th.
The leak polluted large areas of mangrove forests, estuaries, lagoons, lakes and rivers and rendered the usual sources of drinking water in the area unsafe. A total of about 223,000 people were affected by the spill and 180 persons in Sangana died in March 1980 as a result of factors related to the pollution. Over 300 fishing ports were impacted and many sea foods were killed or tainted.
Turn on NASA Earth City Lights in the Google Earth Gallery layer to see the bright lights from the open burning gas flares in Nigeria's oil fields.
• NOAA Incident News: Funiwa No. 5 Well
• AEHS: Impacts of Oil Spills Along the Nigerian Coast
• Oil Exploitation and Marine Pollution: Evidence from the Niger Delta (PDF)

1968 : Mandoil II
Mandoil II
The Mandoil II tanker collided with the Suwaharu Maru in dense fog on February 28, 1968. The Mandoil II caught fire and had to be abandoned. Roughly 40,000 tonnes of oil was spilled into the ocean.

1975 : British Ambassador
British Ambassador
The British Ambassador suffered an engine room leak (caused by a shattered cooling pipe) on the 10th of January 1975. The ship sank in high winds while under tow, and roughly 40,000 tonnes of oil was leaked into the ocean.

1979 : Betelgeuse
Betelgeuse
The Betelgeuse oil tanker was unloading her cargo at the Gulf Oil Terminal on Whiddy Island when the vessel exploded, still containing 40,000 tonnes of oil. 50 of the crew members were killed and the Betelgeuse was split in two during the explosion. Both parts of the ship sank spilling the 40,000 tonnes of remaining cargo.
Most of the oil was prevented from reaching the shoreline by a large cleanup operation using booms, skimmers and dispersants sprayed from planes. Oiled seabirds were found and the pollution affected the fishing and shellfish industries.
Betelgeuse on 8 January 1979.
• Cedre.fr: Betelgeuse
• CTX: Betelgeuse
• NOAA Incident News: Betelgeuse

1978 : Tadotsu
Tadotsu

1976 : St. Peter
St. Peter
30 miles west of Cabo Mangalares, Colombia
A fire broke out in the engine room of the St. Peter tanker on February 4th, 1976. The vessel burned for two or three days before it sank approximately 18 miles off Cabo Manglares, Colombia. The wreck lying at a depth of 1000 meters was known to be leaking oil nine months after sinking. 320 kilometers (200 miles) of shorelines, beaches and mangroves were affected by the spill, from Buenaventura, Colombia in the north to Punta Galera, Ecuador in the south. Worst affected were the areas of Tumaco, Colombia and shorelines further south, near the Ecuador border.

1989 : Exxon Valdez
Exxon Valdez
Bligh Reef in Prince William Sound, Alaska
Exxon Valdez was the largest tanker spill in US history. Oil from the spill affected shorelines over an estimated 1,800-2,100 kilometer (1,100-1,300 miles) in Prince William Sound and along Alaska's south coast as far west as Kodiak Island. About 1,000 sea otters are known to have died, and over 35,000 dead birds were retrieved. Cleanup efforts included high pressure hot water washing of beeches, booming of salmon hatcheries to protect fisheries and bioremediation techniques. Tens of thousands of people were involved, as well as 1,400 ships and 85 helicopters.
WWF estimates for full number of animals killed by the spill are: 250,000 seabirds, 2,800 sea otters, 300 harbor seals, 250 bald eagles, 22 killer whales.
Some beaches still remain oiled today.
The cleanup after the Exxon Valdez disaster cost over US$2 billion in the first year alone.
Overlay Map of the Exxon Valdez Oil Spill. (ExploreNorth.com)
• ITOPF: Exxon Valdez
• NOAA Incident News: Exxon Valdez
• Cedre.fr: Exxon Valdez
• ExploreNorth: The Exxon Valdez Oil Spill Disaster
• Exxon Valdez Oil Spill Trustee Council
• Greenpeace: Exxon Valdez disaster- 15 years of lies

1980 : Juan Lavalleja
Juan Lavalleja

1975 : Corinthos
Corinthos
The Corinthos was accidentally rammed by the Edgar M. Queeny shortly after midnight on January 31, 1975. The ship had been in the process of offloading 315,000 barrels of crude oil at the BP terminal at Marcus Hook in Pennsylvania. 26 of the crew died in the fire and explosions that resulted, and most of the oil cargo was spilled into the Delaware River.
• Oilspills.org: Corinthos
• CTX: Corinthos

1994 : Thanassis A
Thanassis A
The Thanassis A broke in two in the typhoon Teresa on October 21st, 1994. Over 35,000 tonnes of heavy fuel oil was spilled.

1973 : Napier
Napier
The Napier ran aground fully loaded with crude oil on June 10th, 1973 near Guamblin Island, Chile. The crew was rescued and the Chilean air force set the ship and cargo on fire.

1988 : Athenian Venture
Athenian Venture
The cause for the explosion on the Athenian Venture is not known. When the ship was found in April 1988 the bow and aft sections were on fire and already drifting two miles apart from each other. All of the 29 people on board were presumed dead after the search for survivors returned nothing. The bow section sank on April 22 while the aft section continued to be on fire and drift for the next seven weeks. It finally sunk on June 17 about 200 miles from the Azores.
An oil slick 4 miles long was seen on the sea surface, but most of the gasoline and oil onboard the tanker burned in the extensive fires.

1971 : Wafra
Wafra
The tanker Wafra was towed off Cape Alghulas, South Africa after the engine room had flooded. When the towline broke Wafra drifted onto the Agulhas Reef, five miles from Cape Agulhas. It was towed off the reef and sunk 200 miles from the coast on March 12.
• NOAA Incident News: Wafra
• CTX: Wafra

1975-2010 : Occidental Petroleum Peru Block 1AB
Occidental Petroleum Peru Block 1AB
The American company Occidental Petroleum signed contract for oil drilling in Block 1AB in the Peruvian Amazon in 1971. Major drilling operations in the half-million hectare area started in 1975. In a similar situation to the Texaco Ecuador operation, poor standards no longer legal in most countries were used - including the dumping of waste oil products into the pristine rainforest river environment instead of re-injecting back underground. An estimated 9 billion barrels of toxic waste water products were dumped during the 30 years of operation by Occidental - an average of 850,000 barrels per day.
The area which Block 1AB occupies is an indigenous territory, home to the Achuar people for thousands of years. Many children and adults in the Achuar communities downstream of the drilling operations now have dangerously high levels of lead and cadmium in their blood, and are suffering other ill effects of the petroleum extraction activities. Fish and game which the Achuar communities depend on has also declined due to the extensive pollution in the area. In 1984 the Peruvian government named Block 1-AB 'the country's most damaged environmental region'.
In 2000 Occidental Petroleum sold the rights for Block 1AB to Pluspetrol, an Argentinean company. Pluspetrol has continued to use the substandard infrastructure and production methods left behind by Occidental, and the contamination of the Achuar land continues today.
In 2007 the Achuar communities filed a lawsuit in the US against Occidental Petroleum for polluting their rivers and drinking water with carcinogenic hydrocarbon compounds and heavy metals like lead, cadmium, mercury, arsenic. Ill effects experienced by the Achuar include an increased risk of cancer, and lead poisoning is widespread among Achuar children. The Achuar is currently waiting to hear if the case will be accepted in US courts.
The Peruvian government is currently opening up a number of new areas to oil company bidding - in the last few years the proportion of the Peruvian Amazon zoned into hydrocarbon blocks has increased from 13% to 70%. Several of the new proposed blocks overlap indigenous territories, natural protected areas, or reserves for indigenous peoples who live in voluntary isolation.
Contaminated area in the Peruvian Amazon
AMBIODUCTO - Petroleum-related impacts in the Amazon
• Amazon Watch: A Legacy of Harm: Occidental Petroleum
• EarthRights International: Occidental Petroleum in the Peruvian Amazon
• Washington Post: For Peru's Indians, Lawsuit Against Big Oil Reflects a New Era
• IOP: Impacts of petroleum activities for the Achuar people of the Peruvian Amazon

In Focus: Contesting Oil's Legacy
Pulitzer Center on Crisis Reporting
Visit the Pulitzer Center on Crisis Reporting to find out more.
This placemark marks the Rio Corrientes, one of the areas polluted by Occidental Petroleum's operation in the Peruvian Amazon.
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2003 : Tasman Spirit
Tasman Spirit
On July 27th, 2003 the Tasman Spirit grounded at the entrance to Karachi Port, Pakistan carrying 67,800 tonnes of light crude oil. By August 11th roughly half of the cargo had been transferred to other ships and three days later the Tasman Spirit finally broke in two, after attempts had been made to tow it. Thousands of tonnes of the remaining cargo was spilled.
Much of the oil stranded on a 14 kilometer stretch of the Clifton Beach, the main tourist beach in Karachi, but significant quantities remained afloat both inside and outside Karachi port. The spill endangered green turtle nesting grounds and posed a threat to migratory birds and marine life. Dead fish and finless porpoise were found on the beaches.
Clifton Beach could finally be re-opened to the public in October 2003.
The Tasman Spirit.
• ITOPF: Tasman Spirit
• WWF: Karachi oil spill, Pakistan
• Cedre.fr: Tasman Spirit

1997 : Evoikos
Evoikos
The two tankers Evoikos and Orapin Global collided in the Singapore Strait on the evening of October 15, 1997. The Orapin Global (going west) was moving in the buffer zone between the eastbound and westbound lanes where it had been overtaking a smaller vessel, while the Evoikos (going east) was crossing the westbound lane to enter the harbour. The collision ripped a hole 50 meters long and 10 meters high in the Evoikos, opening three tanks and spilling over 25,000 tonnes of oil into the strait. Dozens of islands near the strait were contaminated, as well as parts of the Malaysian shoreline further north. The cleanup lasted for three weeks and cost 7.5 million USD.
The Evoikos anchored after the collision.
• CTX: Evoikos
• ITOPF: The Evoikos and Pontoon 300 incidents (PDF)

1976 : Argo Merchant
Argo Merchant
The Liberian tanker Argo Merchant went aground in high winds and ten foot seas on December 15th, 1976 on Fishing Rip (Nantucket Shoals) 29 nautical miles southeast of Nantucket Island, Massachusetts. The captain requested permission to dump the cargo in an effort to re-float the ship, but did not receive permission. The next day the crew was evacuated and on December 21 the vessel broke in two and started leaking its cargo. The bow section capsized on December 22, spilling the remaining oil before it was sunk by the coast guard. The stern section remained aground. Thankfully most of the oil was carried away from the shoreline by the ocean currents.
The Argo Merchant sinking.
• ITOPF: Argo Merchant
• NOAA Incident News: Argo Merchant

1971 : Texaco Oklahoma
Texaco Oklahoma
The Texaco Oklahoma broke apart in gale force winds and 30-40 foot seas on the afternoon of March 27, 1971. Only 13 of the 44 crew members survived.
In barrels: 188,381

2006 : Jiyyeh Power Station
Jiyyeh Power Station
The Israeli army bombed the Jiyyeh power station in Lebanon between July 13 and 15 2006, during the Second Lebanon War / July War. This led to the biggest oil spill in Lebanese history, and one of the worst ever in the Mediterranean Sea. A cleanup effort could not be mounted until the hostilities between the two countries had ended in August, by which time the oil already covered 120 kilometers (75 miles) of coast line.
Is is estimated that the Lebanese fishing industry will suffer for several years after the spill, and it might take 10 years for the environment to fully recover. The tourism industry was also hit, and environmental organizations expressed fears for the green turtle population, as the turtle eggs usually hatch on the Lebanese beaches during the month of July.
Oil slick in the harbour of Byblos.
Overlay Map of the oil spill extent between July 21 and August 10. (ZKI)
Overlay Satellite Image of the Lebanon oil spill. (ZKI)
• NASA: Oil Spill Along the Lebanese Coast
• BBC News (July 31): Environmental crisis in Lebanon
• BBC News (August 8): 'Damage is done' to Lebanon coast
• ZKI: Oil Spill at the Lebanese Coast (satellite images)

1999 : Erika
Erika
The Erika tanker started breaking in two 60 miles from the coast of Brittany in bad weather on December 11th, 1999. The bow sank a small distance away from where the ship had broken up, and the stern sank the following day 10 kilometer away. Intermittent oiling occurred over some 400 kilometers (250 miles) of shoreline between Finistère and Charente-Maritime. Almost 65,000 oiled birds were collected from beaches, of which almost 50,000 were dead. A major cleaning operation was mounted for the 15,000 oiled survivors and 2,000 were ultimately released.
More than 250,000 tonnes of oily waste was collected from beaches during the cleanup operation.
Following the Erika disaster the EU introduced tougher safety standards, including the banning of single-hulled vessels such as this ship.
The Erika sinking after splitting in two.
• ITOPF: Erika
• Cedre.fr: Erika
• BBC News: Total guilty of French oil spill

1979-1980 : Burmah Agate
Burmah Agate
The Burmah Agate tanker collided with the ship Mimosa at the entrance to Galveston Harbor on November 1st, 1979. Several of the crew members on the Burmah Agate died in the fire and explosions that resulted, and the ship burned for over 9 weeks. On February 1st, 1980 it could finally be towed away for scrapping.
Much of the crude oil onboard the tanker burned, but many thousand tonnes also made it into the environment and an oil slick 30 kilometers (19 miles) long covered the sea surface. Hundreds of people were involved in the cleanup of the beaches of the area after the spill, which polluted over 250 kilometers (160 miles) of the Texas coast.
The Burmah Agate burning.
• NOAA Incident News: Burmah Agate
• CTX: Burmah Agate

1977 : Ekofisk Bravo oil field
Ekofisk Bravo oil field
On April 22nd, 1977 an oil and natural gas blowout occurred at well B-14 on the Bravo production platform in the Norwegian Ekofisk field. A red-brown mixture composed of oil and mud spurted up to 180 feet into the air above the offshore drilling rig. The 'blowout preventer' in place on the well had apparently been installed upside down! An estimated 1170 barrels per hour escaped before the well could finally be capped seven days later.
The Ekofisk Bravo platform during the blowout.
• NOAA Incident News: Ekofisk Bravo oil field
• Norsk Oljemuseum: Bravo-utblåsningen (Norwegian)

1997 : Nakhodka
Nakhodka
The tanker Nakhodka capsized and broke in two during a storm on January 2nd, 1997 on the west side of the Japanese island of Honshu. The bow section eventually ran aground on the coast while the stern section sank with some of its cargo still onboard 120 miles from the coast. Over 300 kilometer (180 miles) of Japanese coast was affected, making this the worst oil spill in Japanese history.

1980 : Tanio
Tanio
The Tanio broke in two during a violent storm off the coast of Brittany, France on March 7th, 1980. The spilled oil started to wash ashore on March 9th, and eventually contaminated about 200 kilometer of coastline to varying degrees.
The stern of the Tanio.
• ITOPF: Tanio
• NOAA Incident News: Tanio
• Cedre.fr: Tanio

2009 : Montara
Montara
The West Atlas oil rig in the Timor Sea began leaking in late August 2009, releasing up to 2,000 barrels of oil into the water per day. Four initial attempts to seal the well failed, and it continued to leak for a full 10 weeks, making this the worst oil spill in Australian history. At most the spill measured over 85 kilometers on the surface, endangering many migrating species like loggerhead turtles, dolphins, and whales.
The damaged West Atlas oil rig.
Overlay Satellite Image of the Timor Sea oil slick. (NASA Earth Observatory)
• Australian Department of the Environment: Montara oil spill
• Wikipedia: Montara oil spill
• ABC News: Oil leaking 'five times faster' than thought

1979 : Gunvor Maersk
Gunvor Maersk
The Gunvor Maersk caught fire and suffered explosions after striking a submerged object near Manaus in the Brazilian Amazon on October 27, 1979. The ship burned for eight days and an estimated 16,000 tonnes of diesel oil, gasoline, and kerosense was spilled into the Amazon river system.
Trying to put out the Gunvor Maersk fire.
• CTX: Gunvor Maersk
• Agner Marine Consult: Gunvor Maersk (Danish)

1994 : Seki and Baynuna
Seki and Baynuna
The tankers Seki and Baynuna collided in the Gulf of Oman in March 1994, resulting in the Seki spilling 16,000 tons of Iranian light crude oil into the sea. 30 kilometers of coastline was oiled and dead fish and turtles were found washing up on the beaches.
Workers cleaning a beach after the Seki and Baynuna incident.
• NOAA Incident News: United Arab Emirates
• NY Times: Tanker Collision Fouls Persian Gulf Coast

1990 : Megaborg
Megaborg
Gulf of Mexico, southeast of Galveston, Texas
The Megaborg suffered an explosion and caught fire while transferring oil cargo to the tank vessel Fraqmura 57 miles off Galveston, Texas.
The Megaborg burning.

1969 : Santa Barbara oil spill
Santa Barbara oil spill
Union Oil's Platform A suffered a blowout in January 1969, resulting in 80,000 to 100,000 barrels of crude oil spilling into the Santa Barbara Channel. Miles of Southern California beaches were oiled, killing seals, dolphins and thousands of birds.
"I don't like to call it a disaster, because there has been no loss of human life: I am amazed at the publicity for loss of a few birds"
Fred Hartley, president of Union Oil in 1969.
The disaster helped kick-start the US environmental movement and create stricter regulations regarding off-shore drilling.
The Santa Barbara Oil Spill
• 1969 Santa Barbara Oil Spill
• Wikipedia: 1969 Santa Barbara oil spill
• Santa Barbara Wildlife Care Network: 1969 Oil Spill

2007 : Hebei Spirit
Hebei Spirit
10 km off the coast of South Korea, west of Taean county
The oil slicks from the Hebei Spirit spill impacted between 160 and 300 kilometer (100 - 160 miles) of coastline. The heaviest concentrations of oil were found in Teaen county and points 30 miles to the north. About 9000 people and 140 ships were involved in cleaning up the beaches and preventing more oil from washing ashore.
The seafood industry in the area, oyster beds and seafood farms, were devastated by the spill. The area is also home to large wetlands which are very important for migratory birds.
A volunteer collecting oil from the beach after the Hebei Spirit spill.
Overlay Satellite Image of the Hebei Spirit spill. (European Space Agency)
• NOAA Incident News: Hebei Spirit
• Cedre.fr: Hebei Spirit
• ESA: Envisat captures South Korea's crude oil leak (satellite image)
• BBC News: South Korea fights huge oil spill

1984 : M/V Alvenus
M/V Alvenus
The tanker Alvenus grounded in the Calcasieu River Bar Channel near Cameron, Louisiana on July 30 1984. One of the tanks on the vessel ruptured spilling 65,000 barrels of crude oil into the sea. In early August the oil slick hit the shore near High Island, along the Bolivar Peninsula, and in Galveston Bay, Texas.
The Alvenus tanker and oil slick.
In barrels: 65,457

1969 : Julius Schindler
Julius Schindler
This spill has been included here because it shows up on many of the Biggest Oil Spill lists on the internet. The real amount of oil spilled appears to have been relatively small - about 10% of the commonly listed amount. Very little other information can be found about this incident.
• CTX: Julius Schindler
• intertanko.com
• georesources.co.uk
In barrels: 60,106

1990 : Barge Cibro Savannah
Barge Cibro Savannah
The Barge Cibro Savannah exploded as it was being pulled from the dock at Linden, New Jersey on March 6th, 1990. In total 710,000 gallons of fuel oil were either spilled into the sea or lost in the fire.
The Barge Cibro Savannah burning.
• NOAA Incident News: Barge Cibro Savannah

2010 : Bunga Kelana 3
Bunga Kelana 3
The tanker Bunga Kelana 3 collided with the bulk carrier MV Waily in the busy Singapore Strait on May 25, 2010. The collision created a ten meter gash in one of the tanks of the Bunga Kelana 3, and over 2,000 tonnes of light crude oil spilled into the sea. The tanker was carrying 62,000 tonnes of oil in total.
The hole in the side of the Bunga Kelana 3.
• BBC News: Oil leaks from tanker collision off Singapore
• Reuters: Tanker and carrier collide off Singapore

2009 : OCP Trans-Andean Pipeline
OCP Trans-Andean Pipeline
The trans-Andean Heavy Crude pipeline ruptured in February 2009. Roughly 14,000 barrels of crude oil spilled into the Santa Rosa river, which drains into the Amazon. According to eye witness "the river was completely covered with oil from bank to bank", and 18 miles of riverside was contaminated.
Oil on the river in the Ecuador rainforest.
• Amazon Watch: Ecuador Pipeline Suffers Major Oil Spill
• Reuters: Ecuador's No. 2 oil pipeline down after rupture
• Mongabay: 14,000-barrel oil spill in the Ecuadorean Amazon

2010 : Xingang Port
Xingang Port
Two crude oil pipelines exploded in the Chinese port of Xingang on July 16 2010. A fire burned for 15 hours, and over 400,000 gallons of oil spilled into the sea. The slick covered at least 430 square kilometers, and contaminated beaches and port areas. One firefighter drowned in the oil after falling from a ship during the cleanup operations.
Oiled beach in Dalian.
• BBC: China oil spill after pipe blast 'worse than thought'
• Greenpeace: Oil spill in China worsens
• The Big Picture: Oil spill in Dalian, China

2011 : MS Olivia
MS Olivia
The cargo vessel MS Oliva ran aground on the remote Nightingale Island on 16th March 2011, carrying 60,000 tonnes of soya beans. The 22 crew onboard could be rescued, but roughly 1500 tonnes of fuel oil was spilled as the vessel began to break up in the days after. Nightingale Island is free from mammals and is an important colony for the endangered Northern Rockhopper Penguin, home to 40% of all remaining birds. Days later the oil slick could be seen around the entire island, and hundreds of oiled penguins were found. The penguins and other nesting seabirds could also be at risk from rats escaping from the vessel.
• Birdlife International: Race to save oiled penguins
• Mongabay Photos: penguins devastated by oil spill
• Tristandc.com: MS Oliva News

2007 : Volgoneft-139
A violent storm on the Black Sea on November 11th, 2007 sank at least five ships. One of the ships was the tanker Volgoneft-139 which broke in half in the high seas. At least 13,000 tonnes of oil was spilled in the Kerch strait between the Black Sea and the Sea of Azov.
Other ships which sank in the same storm carried thousands of tonnes of sulphur to the bottom.
Black sea oil spill.
Overlay Satellite Image of the Kerch Strait oil spill. (ZKI)
• WWF: Oil spill threatens Black Sea
• ZKI: Oil spill at the Kerch Strait between Ukraine and Russia (satellite image)
• Cedre: Black Sea storm

1993 : Barge Bouchard 155
Barge Bouchard 155
Barge Bouchard 155, the freighter Balsa 37 and barge Ocean 255 all collided west of the Skyway Sunshine Bridge in the morning of August 10, 1993. The jet fuel and gasoline onboard the Ocean 255 caught fire and the Bouchard 155 spilled approximately 8,000 barrels of oil into Tampa Bay. Oil covered mangrove islands in Boca Ciega Bay, oyster and seagrass beds, as well as tidal mud flats and many miles of sand beaches. In total over 50 kilometers (30 miles) of shoreline was oiled by this spill.
Barge Bouchard 155 after the collision.
• NOAA Incident News: Barge Bouchard 155

2006 : Solar I
Solar I
The Solar I tanker sank in bad weather on August 11th, 2006 near the island of Guimaras, Philippines. 1,000 hectares of mangrove forest were affected by the oil spill, including areas in the Taclong Island Sanctuary. Coral reefs were also badly affected, with the spill damaging fishing grounds and polluting dive spots including a national marine reserve.
Villagers on Guimaras island noticed skin and breathing problems following the spill. One man died after breathing in the toxic fumes from the thick, tar-like substance outside his home.
Oil on the coast of Sitio Nauway Island in the Philippines.
• Cedre.fr: Solar I
• European Space Agency: Philippines, August 2006
• WWF: Large oil spill in the Philippines threatens marine ecosystem
• NASA: Oil Spill near Guimaras Island

2006 : Prudhoe Bay oil spill
Prudhoe Bay oil spill
In March 2006 over 200,000 gallons of oil leaked from a 6mm hole in one of BP's pipelines in the Alaskan North Slope. It is one of the largest spills on the North Slope, and BP pleaded guilty to criminal negligence and paid 20 million dollars in fines.
Cleanup operations at the Prudhoe Bay oil field.
• Telegraph: US sues BP over Prudhoe Bay oil spill
• Wikipeadia: Prudhoe Bay oil spill

2001 : Jessica
Jessica
Near Baquerizo Moreno, San Cristobal Island, Galapagos
The oil tanker Jessica ran aground about 800 meters from Baquerizo Moreno on San Cristobal in the Galapagos Islands. After two days the ship started leaking oil, following several failed attempts to refloat the ship. Oil shortly reached the beaches on San Cristobal island and later the islands of Santa Fé, Santa Cruz and as far away as Isabela.
The Galapagos islands are a national park and World Heritage site with many unique and endemic species. The cleanup operation, combined with favorable wind and current, helped avoiding an unprecedented environmental disaster in the archipelago. However the accident still caused a decline in the populations of sea lions and marine iguanas on San Cristobal and Santa Fé islands for the year 2001, and many sea birds were also affected.
The tanker Jessica leaking oil after running aground in Galapagos.
• Friends Of The Galapagos Islands: Jessica
• NASA: Galapagos oil spill
• Cedre.fr: Jessica

1970 : Othello
Othello
The Othello (or Otello) spill has been included here because it shows up on many of the Biggest Oil Spill lists on the internet. Several sources report this spill size to be as large as 18.3 million, or even 30.7 million gallons. In other databases it is listed as small as 25,000 gallons. The most realistic figures appear to be around 60-90,000 gallons or 200-300 tonnes.

2007 : Cosco Busan
Cosco Busan
The container ship COSCO Busan collided with the San Francisco-Oakland Bay Bridge on November 7th, 2007 in thick fog. 58,000 gallons of bunker fuel was spilled into San Francisco Bay, affecting marine life and forcing over 20 public beaches to be closed. About 2,150 oiled birds were found dead or dying, and wildlife biologists estimated that in total over 20,000 birds may have died in the disaster.
The Richmond Marina Bay shoreline closed due to oil contamination.
Google Earth Map of Affected Areas from SF Gate.
Google Earth Map of Affected Areas from KCBS.
• San Francisco Chronicle's full coverage
• San Francisco Chronicle: Oiled birds still found 3 weeks after spill