NEW : American Samoa declares major disaster ; orders federal aid . Oregon sending plane with aid , officials to help White House . CNN 's Augie Martin , Mariano Castillo , Moni Basu , Tess Eastment and Nick Valencia contributed to this report . Magnitude-8.0 quake strikes near Samoan Islands Tuesday . Quake struck at depth of 5.1 feet , triggered three 5-foot tsunamis .
NEW : American Samoa declares major disaster ; orders federal aid . Oregon sending plane with aid , officials to help White House . Magnitude-8.0 quake strikes near Samoan Islands Tuesday . Quake struck at depth of 5.1 feet , triggered three 5-foot tsunamis .