WEEK SEISMICITY REPORT FOR SEPTEMBER 5, 2022 TO SEPTEMBER 11, 2022
During the week of September 5, 2022, the Alaska Earthquake Center reported 843 earthquakes within the state. The largest earthquake was magnitude 4.8 that occurred on September 7 at 12:41:04 AKST (September 7, 20:41:04 UTC), 43 miles S of Mt. Gareloi.
All other events greater than 3.5 occurred along the subduction zone except for a M4.4, 41 miles NE of Sutton. Areas of ongoing seismicity include the Purcell Mountain swarm, Kaktovic, offshore Kodiak, and Simeonof-Chignik zones. There were 2 landslides recorded; a M1.0 in Mt Foraker and a M1.3 in Mooses Tooth. There were 15 icequakes recorded in Prince William Sound, Wrangell St. Elias National Park and Preserve, Icy Bay and Yakutat bay. One event was reported as felt.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 4.8, 43 miles S of Mt. Gareloi, September 7 12:41:04 AKST
Magnitude 4.7, 12 miles S of Attu, September 10 09:22:42 AKST
Magnitude 4.5, 65 miles S of Old Harbor, September 9 15:08:25 AKST
Magnitude 4.4, 41 miles NE of Sutton, September 5 07:11:52 AKST
Magnitude 4.0, 25 miles SW of Buldir Is, September 5 11:07:50 AKST
Magnitude 3.7, 48 miles S of Akutan, September 7 14:24:10 AKST
Magnitude 3.6, 46 miles SE of Adak, September 7 13:08:23 AKST
Magnitude 3.6, 57 miles SE of Westdahl Peak, September 9 15:29:14 AKST
Magnitude 3.5, 35 miles S of Chagulak Island, September 8 09:22:32 AKST
Magnitude 3.5, 13 miles N of Nenana, September 9 10:51:30 AKST
This report was compiled by Ayumi Bakken
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.