WEEK SEISMICITY REPORT FOR NOVEMBER 27, 2023 TO DECEMBER 3, 2023
During the week of November 27, 2023, the Alaska Earthquake Center reported 743 earthquakes within the state. The largest earthquake was magnitude 5.6 that occurred on November 27 at 21:13:22 AKST (November 28, 06:13:22 UTC), 66 miles SE of Okmok Caldera. There were 42 aftershocks recorded for the event in this week.
Some other significant events include a magnitude 5.1 earthquake that occurred 42 miles SE of Kantishna on November 30, 2023 20:50:26 AKST, a magnitude 3.5 earthquake that occurred 22 miles NW of Valdez on November 28, 2023 02:54:18 AKST. Both events were reported as being felt widely in surrounding areas.
There were 14 icequakes recorded in Prince William Sound region, Icy Bay and Yakutat Bay.
6 events were reported as felt.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 5.6, 66 miles SE of Okmok Caldera, November 27 21:13:22 AKST
Magnitude 5.1, 42 miles SE of Kantishna, November 30 20:50:26 AKST
Magnitude 5.0, 31 miles S of Adak, November 30 07:33:06 AKST
Magnitude 4.5, 85 miles SE of Mt. Recheshnoi, November 28 20:28:48 AKST
Magnitude 4.1, 80 miles SE of Okmok Caldera, November 27 21:15:16 AKST
Magnitude 4.0, 87 miles SE of Westdahl Peak, December 2 12:29:48 AKST
Magnitude 3.9, 78 miles SE of Okmok Caldera, November 27 21:23:37 AKST
Magnitude 3.8, 28 miles SE of Augustine Volcano, November 26 15:11:32 AKST
Magnitude 3.8, 33 miles S of Adak, December 1 22:08:43 AKST
Magnitude 3.7, 6 miles NW of Ukinrek Craters, November 26 21:31:10 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.