WEEK SEISMICITY REPORT FOR OCTOBER 31, 2022 TO NOVEMBER 6, 2022
During the week of October 31, 2022, the Alaska Earthquake Center reported 907 earthquakes within the state. The largest earthquake was magnitude 5.1 that occurred on November 6 at 01:02:04 AKST (November 6, 10:02:04 UTC), 40 miles SE of Adak.
There were two events greater than M3.5 that occurred outside the subduction zone, a M4.1 4 miles S of Redoubt Volcano on October 30, 2022 20:02:17 AKDT and a M3.6 80 miles NW of Little Diomede on November 4th, 2022 20:31:43 AKDT.
The swarm SE of Atka Island has been decreasing this week.
Detected icequakes continue to decrease this week with 29 icequakes located in southcentral and southeast Alaska, including one event at Mt. Wrangell.
Four events were reported as felt ranging from M2.93 to M5.11.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 5.1, 40 miles SE of Adak, November 6 01:02:04 AKST
Magnitude 4.6, 118 miles SE of Mt. Recheshnoi, November 5 17:11:46 AKDT
Magnitude 4.2, 70 miles SW of Kiska Volcano, November 1 05:35:19 AKDT
Magnitude 4.1, 4 miles S of Redoubt Volcano, October 30 20:02:18 AKDT
Magnitude 4.0, 30 miles S of Atka Pass, November 2 00:42:49 AKDT
Magnitude 3.8, 145 miles SE of Old Harbor, November 2 13:41:46 AKDT
Magnitude 3.8, 123 miles S of Amukta Pass, November 1 05:33:28 AKDT
Magnitude 3.6, 80 miles NW of Little Diomede, November 4 20:31:43 AKDT
Magnitude 3.5, 97 miles SW of Akhiok, November 6 01:51:34 AKST
Magnitude 3.5, 35 miles SE of Mt. Cleveland, November 5 02:46:37 AKDT
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.