WEEK SEISMICITY REPORT FOR DECEMBER 5, 2022 TO DECEMBER 11, 2022
During the week of December 5, 2022, the Alaska Earthquake Center reported 1003 earthquakes within the state. The largest earthquake was magnitude 5.2 that occurred on December 10 at 13:11:04 AKST (December 10, 22:11:04 UTC), 47 miles SW of Buldir Is.
Other noteworthy events that occurred outside the subduction zone were a M4.4 20 miles S of Ester and a M3.8 37 miles NW of White Mountain on the Seward Peninsula. The Purcell Mountain swarm showed an increase in activity compared to the previous week.
There were 31 icequakes recorded in Prince William Sound, Yakutat, and Icy Bay. Four events were reported as felt with the largest being the M4.4 S of Ester.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 5.2, 47 miles SW of Buldir Is, December 10 13:11:04 AKST
Magnitude 4.9, 55 miles SE of Nikolski, December 4 22:11:13 AKST
Magnitude 4.8, 21 miles S of Atka Pass, December 5 06:33:45 AKST
Magnitude 4.4, 29 miles S of Ester, December 7 07:21:45 AKST
Magnitude 4.3, 32 miles S of Atka Pass, December 8 01:17:00 AKST
Magnitude 4.0, 167 miles SE of Kodiak, December 4 21:42:07 AKST
Magnitude 4.0, 77 miles SE of Okmok Caldera, December 11 10:45:21 AKST
Magnitude 3.9, 93 miles S of Atka, December 9 17:36:08 AKST
Magnitude 3.8, 37 miles NW of White Mountain, December 11 11:56:42 AKST
Magnitude 3.7, 32 miles S of Atka Pass, December 6 05:11:38 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.