During the month of February 2022, the Alaska Earthquake Center reported 3410 earthquakes within the state. The largest earthquake was magnitude 5.4 that occurred on February 3 at 14:53:31 AKST (February 3, 23:53:31 UTC), 65 miles SE of King Cove. All earthquakes of magnitude greater than 4.0 were recorded along the subduction zone from Cantwell in the North-East (M5.2) to Rat Islands on the West (M4.4). We continued to monitor ongoing seismic activity within Anchorage, Kaktovik, offshore Kodiak and Simeonof-Chignik aftershock sequences. Icequakes occured in Prince William Sound, Yakutat Bay and Icy Bay. Thirteen earthquakes were reported as felt in February. The M5.2 in Cantwell on February 6 was felt widely in South-Central Alaska, and 1360 felt reports were made from different communities.


Magnitude 5.4, 65 miles SE of King Cove, February 3 14:53:32 AKST
Magnitude 5.3, 68 miles SE of Perryville, February 20 02:47:10 AKST
Magnitude 5.2, 45 miles S of Cantwell, February 5 22:22:33 AKST
Magnitude 5.1, 49 miles S of Unalaska, February 21 19:10:03 AKST
Magnitude 5.1, 49 miles S of Unalaska, February 20 17:33:05 AKST
Magnitude 4.9, 186 miles SE of Kodiak, February 2 21:25:01 AKST
Magnitude 4.8, 6 miles SE of Little Sitkin Pass, February 25 22:16:43 AKST
Magnitude 4.6, 22 miles E of Iliamna Volcano, February 28 08:00:07 AKST
Magnitude 4.5, 61 miles SE of Okmok Caldera, February 28 05:28:01 AKST
Magnitude 4.4, 47 miles S of Unalaska, February 2 14:54:51 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.