3 times actually and they were masive.
hope this helps babes
Prudhoe Bay oil spill happened in 2006.
In 1989, there were oil spills in Pennsylvania and Alaska.The Exxon-Valdez spill occurred in Alaska.
Alaska
it was smaller
Greenpoint oil spill happened in 1978.
Montara oil spill happened in 2009.
Prestige oil spill happened in 2002.
Enbridge oil spill happened in 2010.
The oil spill occured in Summer, 2010.
Rena oil spill happened in 2011.
Mingbulak oil spill happened in 1992.
i pretty sure it was oil
The most notable US oil spill of 2010 was the BP Gulf of Mexico oil spill, occurring on April 20.Other US Oil spills of 2010 include:Port Arthur oil spill in Texas, started 23 JanuaryTrans-Alaska Pipeline spill, near Anchorage, Alaska, 25 May.Red Butte Creek oil spill, Salt Lake City, Utah, USA, 11 June.Talmadge Creek, Kalamazoo, Michigan on 26July.Barataria Bay, Louisiana, 50 miles south of New Orleans. 27 July to present day.