Monthly Seismicity Report For June 1, 2020 to June 30, 2020

During the month of June 2020, the Alaska Earthquake Center reported 3599 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. 14 events were felt this month. Many of these felt events were aftershocks from the Anchorage earthquake in November of 2018, however a few events to note include a magnitude 2.6 event in North Pole that was felt widely between North Pole and Fairbanks. There was also a magnitude 3.8 near Manly Hot Springs that was felt as far away as Healy, and widely in Fairbanks. Also noteworthy is the continuation of the Purcell Mountain swarm events and the Kaktovik aftershocks. 

Notable Events in Descending Order of Magnitude

Magnitude 5.2, 49 miles S of Mt. Gareloi, June 18 19:08:32 AKST
Magnitude 5.1, 48 miles S of Mt. Gareloi, June 18 18:59:28 AKST
Magnitude 5.0, 48 miles SE of Mt. Gareloi, June 13 03:43:32 AKST
Magnitude 4.7, 43 miles SE of Amukta Pass, June 25 01:24:25 AKST
Magnitude 4.6, 65 miles S of Akhiok, June 5 05:47:45 AKST
Magnitude 4.4, 7 miles E of Makushin Volcano, June 15 13:16:49 AKST
Magnitude 4.3, 18 miles S of Atka, June 24 01:41:09 AKST
Magnitude 4.2, 74 miles SE of King Cove, June 9 02:45:07 AKST
Magnitude 4.2, 4 miles SE of Girdwood, June 18 12:38:43 AKST
Magnitude 4.2, 55 miles SE of Westdahl Peak, June 4 21:06:32 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.