WEEK SEISMICITY REPORT FOR SEPTEMBER 4, 2023 TO SEPTEMBER 10, 2023
During the week of September 4, 2023, the Alaska Earthquake Center reported 838 earthquakes within the state. The largest earthquake was magnitude 4.9 that occurred on September 10 at 05:03:56 AKDT (September 10, 13:03:56 UTC), 73 miles S of Sand Point.
Other significants events include a magnitude 4.2 earthquake that occurred 34 miles SE of Kantishna on September 8, 2023 08:27:21 AKDT, and a magnitude 3.4 earthquake that occurred 13 miles NW of Delta Junction on September 6, 2023 07:49:18 AKDT.
There was a swarm of 24 earthquakes in the Brooks range east of station E19K. They ranged in magnitude from 1.2 to 2.4.
There were 8 glacial quakes recorded near Prince William Sound region, the Wrangell-Saint Elias Mountains, and Yakutat Bay.
4 events were reported as felt.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 4.9, 73 miles S of Sand Point, September 10 05:03:56 AKDT
Magnitude 4.8, 24 miles SW of Segula Peak, September 9 10:06:00 AKDT
Magnitude 4.2, 34 miles SE of Kantishna, September 8 08:27:21 AKDT
Magnitude 3.8, 32 miles SE of Mt. Sergief, September 10 04:16:25 AKDT
Magnitude 3.7, 34 miles SE of Mt. Recheshnoi, September 8 14:15:05 AKDT
Magnitude 3.7, 4 miles N of Kenai, September 5 02:38:36 AKDT
Magnitude 3.7, 14 miles SW of Tatitlek, September 4 23:50:51 AKDT
Magnitude 3.6, 153 miles SE of Kodiak, September 5 04:33:48 AKDT
Magnitude 3.5, 43 miles S of Tanaga Volcano, September 5 23:04:17 AKDT
Magnitude 3.4, 94 miles SE of Nikolski, September 4 12:01:38 AKDT
This report was compiled by R. Wilkes
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.