WEEK SEISMICITY REPORT FOR DECEMBER 18, 2023 TO DECEMBER 24, 2023
During the week of December 18, 2023, the Alaska Earthquake Center reported 728 earthquakes within the state. The largest earthquake was magnitude 6.1 that occurred on December 21 at 05:55:57 AKST (December 21, 14:55:57 UTC), 54 miles S of Atka Pass. This event was followed by 27 aftershocks with magnitude ranging from 4.9 to 2.0.
Some of the notable events include a magnitude 4.7 earthquake that occurred 56 miles S of Tanaga Volcano on December 19, 2023 16:54:11 AKST, a magnitude 4.5 earthquake that occurred 55 miles S of Tanaga Volcano on December 19, 2023 17:04:50 AKST, and a magnitude 4.1 earthquake that occurred 45 miles S of Kaktovik on December 23, 2023 14:47:51 AKST.
There were 15 icequakes recorded in the Prince William Sound region, Icy Bay and Yakutat Bay.
1 event was reported as felt.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 6.1, 54 miles S of Atka Pass, December 21 05:55:57 AKST
Magnitude 4.9, 54 miles S of Atka Pass, December 21 10:28:29 AKST
Magnitude 4.7, 56 miles S of Tanaga Volcano, December 19 16:54:11 AKST
Magnitude 4.6, 56 miles S of Atka Pass, December 21 08:03:44 AKST
Magnitude 4.5, 55 miles S of Tanaga Volcano, December 19 17:04:50 AKST
Magnitude 4.4, 125 miles SE of Perryville, December 24 13:04:39 AKST
Magnitude 4.1, 54 miles S of Atka Pass, December 21 20:19:50 AKST
Magnitude 4.1, 56 miles S of Atka Pass, December 22 21:21:45 AKST
Magnitude 4.1, 45 miles S of Kaktovik, December 23 14:47:51 AKST
Magnitude 4.0, 56 miles S of Atka Pass, December 22 03:45:56 AKST
This report was compiled by Shah Khan
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.