WEEK SEISMICITY REPORT FOR APRIL 7, 2025 TO APRIL 13, 2025
During the week of April 7, 2025, the Alaska Earthquake Center reported 376 earthquakes within the state. The largest earthquake was magnitude 4.5 that occurred on April 7 at 14:48:14 AKDT (April 7, 22:48:14 UTC), 102 miles S of Bobrof Island.
Another notable event was a magnitude 3.3 earthquake that occurred on April 10, 2025 12:40:38 AKDT, 9 miles SE of Ninilchik. This event was reported as felt in Homer, Soldotna and Sterling.
The swarm activity south of Adak mostly subsided this week, with 6 events reported.
In addition to the seimic activity, we recorded 2 icequakes in the Prince William Sound.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 4.5, 102 miles S of Bobrof Island, April 7 14:48:14 AKDT
Magnitude 4.2, 36 miles N of Ouzinkie, April 13 14:59:30 AKDT
Magnitude 4.0, 67 miles SE of Herbert Island, April 12 19:05:39 AKDT
Magnitude 3.9, 39 miles S of Chagulak Island, April 9 12:13:20 AKDT
Magnitude 3.9, 11 miles S of Tanaga Volcano, April 9 21:16:23 AKDT
Magnitude 3.6, 24 miles SE of Mt. Recheshnoi, April 6 23:04:50 AKDT
Magnitude 3.5, 67 miles SE of Herbert Island, April 12 19:48:05 AKDT
Magnitude 3.5, 45 miles S of Chagulak Island, April 9 10:10:36 AKDT
Magnitude 3.5, 80 miles SE of Nikolski, April 9 20:36:17 AKDT
Magnitude 3.5, 29 miles S of Atka Pass, April 10 04:09:34 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.