WEEK SEISMICITY REPORT FOR DECEMBER 1, 2025 TO DECEMBER 7, 2025
During the week of December 1, 2025, the Alaska Earthquake Center reported 1123 earthquakes within the state. The largest earthquake was magnitude 7.0 that occurred on December 6 at 11:41:51 AKDT (December 6, 20:41:51 UTC), 56 miles S of Burwash Landing.
During this week, there were approximately 500 aftershocks from the M7.0 Hubbard Glacier earthquake for two days since main shock on December 6th, ranging from 2.0 to 5.5 in magnitude. For more information on the main shock event, please see the significant event page here.
There were 14 events were reported as felt this week, and 7 of them were the aftershocks from the M7.0 earthquake.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 7.0, 56 miles S of Burwash Landing, December 6 11:41:51 AKST
Magnitude 5.4, 56 miles SW of Burwash Landing, December 6 19:20:40 AKST
Magnitude 5.1, 55 miles N of Yakutat, December 6 11:51:53 AKST
Magnitude 5.1, 56 miles SW of Burwash Landing, December 7 14:50:38 AKST
Magnitude 5.0, 53 miles SE of Atka, December 1 13:21:05 AKST
Magnitude 4.9, 57 miles SW of Burwash Landing, December 7 14:55:05 AKST
Magnitude 4.8, 49 miles S of Burwash Landing, December 6 11:46:38 AKST
Magnitude 4.8, 53 miles SW of Burwash Landing, December 7 09:04:09 AKST
Magnitude 4.7, 53 miles S of Burwash Landing, December 6 11:49:22 AKST
Magnitude 4.7, 50 miles S of Burwash Landing, December 6 11:54:37 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.