WEEK SEISMICITY REPORT FOR JANUARY 30, 2023 TO FEBRUARY 5, 2023

During the week of January 30, 2023, the Alaska Earthquake Center reported 1121 earthquakes within the state. The largest earthquake was magnitude 5.0 that occurred on February 2 at 05:48:25 AKST (February 2, 14:48:25 UTC), 16 miles S of Mt. Spurr.

On January 30 a M4.5 earthquake occured 62 miles NW of Burwash Landing and was followed by 160 aftershocks, the largest of which was M3.8.

Glacial activity increased compared to the previous week with 37 icequakes detected.  Three events were reported as felt, with the largest being the M5 near Mt. Spurr.

NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE


Magnitude 5.0, 16 miles S of Mt. Spurr, February 2 05:48:26 AKST
Magnitude 4.5, 62 miles NW of Burwash Landing, January 30 00:02:45 AKST
Magnitude 4.3, 49 miles SE of Mt. Cleveland, February 2 22:05:05 AKST
Magnitude 4.1, 51 miles SE of Mt. Cleveland, February 3 02:26:22 AKST
Magnitude 3.9, 49 miles SE of Mt. Cleveland, February 3 17:33:09 AKST
Magnitude 3.9, 16 miles S of Bobrof Island, February 4 09:09:50 AKST
Magnitude 3.9, 48 miles SE of Herbert Island, February 2 23:35:33 AKST
Magnitude 3.8, 61 miles NW of Burwash Landing, February 2 17:53:14 AKST
Magnitude 3.7, 34 miles SE of Chignik, February 3 01:36:39 AKST
Magnitude 3.6, 124 miles S of Seguam Island, January 31 03:08:55 AKST

This report was compiled by Ken Becker

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.