Weekly Seismicity Report For June 15, 2020 to June 21, 2020

During the week of June 15, 2020, the Alaska Earthquake Center reported 916 earthquakes within the state. The largest earthquake was magnitude 5.2 that occurred on June 18 at 19:08:31 AKST (June 19, 03:08:31 UTC), 49 miles S of Mt. Gareloi. 7 events were felt this week, including a magnitude 4.2 near Girdwood which was felt very widely across southern Alaska. Activity in Kaktovik has picked up this week with a magnitude 3.7 on June 19th. 

Notable Events in Descending Order of Magnitude

Magnitude 5.2, 49 miles S of Mt. Gareloi, June 18 19:08:31 AKST
Magnitude 5.1, 50 miles S of Mt. Gareloi, June 18 18:59:26 AKST
Magnitude 4.4, 7 miles E of Makushin Volcano, June 15 13:16:49 AKST
Magnitude 4.2, 4 miles SE of Girdwood, June 18 12:38:43 AKST
Magnitude 4.1, 8 miles E of Makushin Volcano, June 15 16:34:14 AKST
Magnitude 3.9, 43 miles S of Atka Pass, June 14 16:37:08 AKST
Magnitude 3.8, 90 miles SE of Akutan, June 16 13:59:09 AKST
Magnitude 3.8, 62 miles SE of Akutan, June 19 15:46:14 AKST
Magnitude 3.7, 53 miles S of Kaktovik, June 19 08:58:59 AKST
Magnitude 3.7, 47 miles S of Mt. Gareloi, June 20 14:08:08 AKST

This report was compiled by M. Braun.

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.