Monthly Seismicity Report For August 1, 2020 to August 31, 2020

During the month of August 2020, the Alaska Earthquake Center reported 4624 earthquakes within the state. The largest earthquake was magnitude 5.6 that occurred on August 8 at 06:42:53 AKST (August 8, 14:42:53 UTC), 53 miles SW of Sand Point. It was an aftershock of M7.8 Simeonof earthquake on July 22, 2020. A dozen other Simeonof aftershocks of M4.0-5.5 were located in August. Also M4.3 events occured at lake Minchumina in Central Alaska and in Cape Yakataga. 17 events were reported as felt in August. 

Notable Events in Descending Order of Magnitude

Magnitude 5.6, 53 miles SW of Sand Point, August 8 06:42:54 AKST
Magnitude 5.4, 87 miles SE of Perryville, August 8 04:52:58 AKST
Magnitude 5.2, 60 miles SE of King Cove, August 5 08:17:41 AKST
Magnitude 5.2, 87 miles SE of Westdahl Peak, August 12 22:39:59 AKST
Magnitude 5.2, 32 miles S of Sand Point, August 19 11:45:59 AKST
Magnitude 5.1, 32 miles S of Sand Point, August 19 11:45:59 AKST
Magnitude 5.1, 76 miles SE of Perryville, August 9 06:57:54 AKST
Magnitude 5.1, 77 miles SE of Perryville, August 18 10:28:34 AKST
Magnitude 5.0, 56 miles SE of False Pass, August 20 08:35:09 AKST
Magnitude 4.9, 52 miles SW of Sand Point, August 4 04:47:19 AKST

This report was compiled by N.Kozyreva

The data in this report are preliminary and subject to revision. The earthquake parameters have been determined by the AEC, with supplemental data provided by the USGS National Earthquake Information Center. The data are released on the condition that none of the cooperating agencies may be held liable for any damaged resulting from its authroized or unauthorized use.

For more information on earthquakes and seismology, contact the AEC at (907)-474-7320.