Exxon Valdez oil spill
The Exxon Valdez oil spill was a major environmental disaster caused by the grounding of the Exxon Valdez on Bligh Reef in Prince William Sound, Alaska, on March 24, 1989. Approximately 10.8 million US gallons of crude oil spilled, making it the second-largest oil spill in U.S. waters by volume and the costliest disaster ever with no direct human fatalities.