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Deepwater Horizon

Gulf of Mexico | 2010-Apr-21

Initial Notification: A fire and explosion occurred at approximately 11:00 PM CDT, April 20, 2010 on the Deepwater Horizon, a semisubmersible drilling platform, with more than 120 crew aboard. The Deepwater Horizon is located some 50 miles SE of the Mississippi Delta and contained an estimated 700,000 gallons of #2 Fuel Oil or Marine Diesel Fuel. (Related incidents: "Deepwater Horizon -- Florida Commands") Editor's Note: Initial notification reports are not necessarily post-edited and updated. However, in the Clean Water Act Trial, Judge Barbier ruled in the FINDINGS OF FACT AND CONCLUSIONS OF LAW PHASE TWO TRIAL on January 15, 2015, that 4 million barrels of crude oil were released from the reservoir, of which 3.19 million barrels or approximately 168 million gallons were released into the Gulf of Mexico.

Incident Details
Spill, potential spill, or other:Oil Spill, Potential Oil Spill
Cause of incident:Fire / Explosion
Products of concern:Diesel, crude oil
Total amount at risk of spill: 700000 - 205000000 gallons
Latitude (approximate): 28° 44.20′ North
Longitude (approximate): 88° 23.23′ West
On-Water Recovery: Evaluated and applied
Shoreline Cleanup: Evaluated and applied
Dispersants: Evaluated and applied
In-Situ Burn: Evaluated and applied
Bioremediation: Evaluated and applied
Note: Documents are posted chronologically and early reports likely contain factual errors. These errors may be corrected in a later report.