Seven people died in a crash between two light planes on Friday morning over Alaska's Kenai Peninsula, authorities said.
Russian warships held drills in the Bering Sea which separates Russia from Alaska, part of Moscow's biggest military manoeuvres since the fall of the Soviet Union, footage aired by the Ministry of Defence showed on Friday.
A magnitude 6.5 earthquake struck 40 miles (64 km) southwest of Kaktovik in Alaska, the US Geological Survey said on Sunday.
The long-range Tupolev Tu-95 bombers were "intercepted and visually identified" on Friday morning by a pair of F-22 Raptors as the Russian aircraft flew just north of Alaska's Aleutian islands.
A magnitude 7.9 earthquake hit the Gulf of Alaska in the early hours of Tuesday, prompting warnings of a possible tsunami down the Canadian and US west coast and as far away as Hawaii.