WEEK SEISMICITY REPORT FOR OCTOBER 2, 2023 TO OCTOBER 8, 2023
During the week of October 2, 2023, the Alaska Earthquake Center reported 724 earthquakes within the state. The largest earthquake was magnitude 4.4 that occurred on October 6 at 03:34:03 AKDT (October 6, 11:34:03 UTC), 41 miles S of Nikolski.
Other significant events include a magnitude 3.9 earthquake that occurred 12 miles N of Hatcher Pass on October 3, 2023 16:08:12 AKDT, a magnitude 4.0 earthquake that occurred 43 miles N of Talkeetna on October 5, 2023 17:56:55 AKDT, a magnitude 4.2 earthquake that occurred 3 miles N of Anchorage on October 6, 2023 06:01:18 AKDT, and a magnitude 3.9 earthquake that occurred 26 miles W of Talkeetna on October 6, 2023 19:48:46 AKDT. These four events were reported as felt widely in surrounding areas.
There were 47 icequakes recorded near Mt. Spurr, Prince William Sound, Icy Bay, and 34 of them was occurred near E of Juneau.
6 events were reported as felt.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 4.4, 41 miles S of Nikolski, October 6 03:34:04 AKDT
Magnitude 4.3, 54 miles S of Unalaska, October 2 02:04:43 AKDT
Magnitude 4.2, 3 miles N of Anchorage, October 6 06:01:19 AKDT
Magnitude 4.0, 43 miles N of Talkeetna, October 5 17:56:56 AKDT
Magnitude 3.9, 60 miles S of Akhiok, October 6 03:33:09 AKDT
Magnitude 3.9, 35 miles S of Chagulak Island, October 4 03:00:05 AKDT
Magnitude 3.9, 50 miles SE of King Cove, October 6 18:49:21 AKDT
Magnitude 3.9, 26 miles W of Talkeetna, October 6 19:48:46 AKDT
Magnitude 3.9, 12 miles N of Hatcher Pass, October 3 16:08:13 AKDT
Magnitude 3.8, 11 miles W of Iliamna Volcano, October 5 22:58:47 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.