WEEK SEISMICITY REPORT FOR JULY 7, 2025 TO JULY 13, 2025

During the week of July 7, 2025, the Alaska Earthquake Center reported 450 earthquakes within the state. The largest earthquake was magnitude 4.5 that occurred on July 11 at 03:32:16 AKDT (July 11, 11:32:16 UTC), 25 miles S of Adak.

Other notable events were a magnitude 4.4 earthquake that occurred on July 12, 2025 04:36:33 AKDT, 22 miles N of Hatcher Pass, a magnitude 4.0 earthquake that occurred on July 7, 2025 02:24:11 AKDT, 28 miles S of Kantishna, and a magnitude 3.2 earthquake that occurred on July 8, 2025 07:44:50 AKDT, 11 miles NW of Wasilla. These three events were reported as felt this week. 

There were five icequakes this week in the area of Prince William Sound and near the Grinnell Glacier. 

NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE


Magnitude 4.5, 25 miles S of Adak, July 11 03:32:16 AKDT
Magnitude 4.4, 22 miles N of Hatcher Pass, July 12 04:36:34 AKDT
Magnitude 4.0, 28 miles S of Kantishna, July 7 02:24:12 AKDT
Magnitude 3.9, 20 miles S of Bobrof Island, July 7 23:28:43 AKDT
Magnitude 3.8, 83 miles S of Isanotski Peaks, July 7 14:53:49 AKDT
Magnitude 3.7, 21 miles S of Yunaska Island, July 10 02:03:01 AKDT
Magnitude 3.4, 93 miles S of Amchitka, July 10 04:51:38 AKDT
Magnitude 3.3, 132 miles SE of Atka, July 12 08:29:34 AKDT
Magnitude 3.2, 4 miles N of Semisopochnoi Island, July 10 20:48:59 AKDT
Magnitude 3.2, 11 miles NW of Wasilla, July 8 07:44:51 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.