The geyser caved in and sealed itself on Sept. 9, 1911. Gulf War One of the largest oil spills in history was a strategic war maneuver employed by Iraqi forces in 1991. To halt advancing American ...

According to Defenders of Wildlife, a US NGO, an oil spill in Alaska's North Slope could be the largest crude oil spill since drilling began in the area 30 years ago – second in Alaska only to the ...

Some of the largest spills were between 1978 and 1991, and of all the large oil spills reported since 1970, only about 4% occurred after 2010. There is, however, a big problem with the available data.

Chevron is working with state officials to clean up a diesel product spill that was reported off the Richmond wharf Thursday.