According to the U.S. Geological Survey (USGS), the first magnitude 6.3 earthquake occurred just before 11 a.m. local time on Sunday in the Pacific Ocean about 70 miles southwest of Adak ...
Alaska Earthquake Center Seismic Data Manager Heather ... happened along the state’s long Aleutian Chain — south of Adak Island — one day apart, on Dec. 8 and 9. There was also a magnitude ...
“It is also possible that an eruption could occur with little or no additional warning,” the Alaska Volcano Observatory ...