POSTED: 7:32 p.m. HST, Apr 21, 2013
LAST UPDATED: 7:54 p.m. HST, Apr 21, 2013
A smattering of small to mid-sized earthquakes in Alaska over the last several hours have generated no tsunami watch or advisory.
At 6:40 p.m., Hawaii time, a 5.5-magnitude quake struck 175 miles southwest of Adak in the Aleutians.
About 6:30 p.m. Hawaii time, a 5.1-magnitude quake occurred about 56 miles south of Semisopochnoi Island, Alaska.
At 3:48 a.m., a magnitude 5.7 quake struck 16 miles south-southwest of Tanaga Volcano in the far western Aleutians.