National Transportation Safety Board investigators arrive at the scene of the 2010 Alaska plane crash near Aleknagik, Alaska.
U.S. F-22 stealth jets intercept four Russian Tupolev Tu-95 strategic bombers and two Russian Su-35 jets entering the Alaskan Air Defense Identification Zone off the coast of Alaska. The Russian jets and bombers did not enter the U.S. nor Canadian airspace according to the North American Aerospace Defense Command.
A magnitude 7.1 earthquake strikes southwestern Alaska, leaving 10,000 in the Anchorage area without power and forcing the evacuation of several homes on the Kenai Peninsula. The National Weather Service reported that there was no tsunami following the earthquake.
The United States cancels two potential Arctic lease sales off Alaska's northern coast, and announces Shell and Statoil current leases will not be extended because of "current market conditions and low industry interest."
The Gulf of Mexico oil spill is now the worst oil spill in U.S. history, surpassing the worst previous spill, the Exxon Valdez wreck on the Alaska coast in 1989, according to scientists' latest estimates.