WEEK SEISMICITY REPORT FOR JULY 11, 2022 TO JULY 17, 2022
During the week of July 11, 2022, the Alaska Earthquake Center reported 880 earthquakes within the state. The largest earthquake was magnitude 4.8 that occurred on July 11 at 23:24:57 AKST (July 12, 07:24:57 UTC), 9 miles SE of Tyonek. All other events greater than 3.5 occurred along the subduction zone, except for a M4.8 9 miles SE of Tyonek, a M4.4 14 miles SE of Moose Pass, and a M3.6 16 miles SE of Kasilof. Areas of ongoing seismicity include the Purcell Mountain swarm, Kaktovic, offshore Kodiak, and Simeonof-Chignik zones. There were 11 icequakes recorded in Prince William Sound, Mt. Natazhat and Southwest including Wright Glacier. Four events were reported as felt.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 4.8, 9 miles SE of Tyonek, July 11 23:24:58 AKST
Magnitude 4.4, 14 miles SE of Moose Pass, July 11 18:58:59 AKST
Magnitude 4.4, 172 miles SE of Kodiak, July 15 14:33:35 AKST
Magnitude 3.9, 1 miles SE of Davidof Island, July 12 14:20:58 AKST
Magnitude 3.9, 23 miles SE of Adak, July 15 03:18:22 AKST
Magnitude 3.9, 44 miles SE of Yantarni Volcano, July 17 08:41:44 AKST
Magnitude 3.8, 53 miles SE of King Cove, July 12 08:09:48 AKST
Magnitude 3.8, 40 miles S of Atka Pass, July 15 21:31:46 AKST
Magnitude 3.7, 148 miles SE of Old Harbor, July 12 21:15:54 AKST
Magnitude 3.6, 150 miles SE of Old Harbor, July 12 21:16:20 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.