During the month of June 2022, the Alaska Earthquake Center reported 3713 earthquakes within the state. The largest earthquake was magnitude 6.3 that occurred on June 4 at 15:38:09 AKST (June 4, 23:38:09 UTC), 7 miles SW of Davidof Island in Rat Islands. All earthquakes of magnitude 4.0 and greater occurred along the subduction zone.  A crustal event of M3.9 was recorded in Central Alaska, between Tanana and lake Minchumina on June 24th at 4:03PM AKDT. We continued to monitor seismic activity within Anchorage, offshore Kodiak, Simeonof-Chignik aftershock zones as well as crustal seismic activity in the Brooks Range and Seward peninsula. About 130 icequakes were located in June, 70 of which occurred at Mt Ogden as a swarm, 13 miles East of Juneau. Ten earthquakes were reported as felt.


Magnitude 6.3, 7 miles SW of Davidof Island, June 4 15:38:10 AKST
Magnitude 5.2, 26 miles S of Herbert Island, June 2 15:26:02 AKST
Magnitude 4.9, 82 miles SE of Chignik, June 2 13:41:54 AKST
Magnitude 4.8, 68 miles SE of Sand Point, June 9 10:44:14 AKST
Magnitude 4.7, 28 miles S of Amchitka, June 1 22:30:40 AKST
Magnitude 4.5, 5 miles S of Davidof Island, June 4 17:53:15 AKST
Magnitude 4.4, 97 miles SE of Chignik, June 2 11:02:55 AKST
Magnitude 4.4, 97 miles SE of Chignik, June 7 15:10:49 AKST
Magnitude 4.4, 27 miles E of Amchitka, June 23 00:14:57 AKST
Magnitude 4.3, 30 miles S of Amchitka, June 2 10:43:19 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 authorized or unauthorized use.

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