MONTH SEISMICITY REPORT FOR APRIL 2025

During the month of April 2025, the Alaska Earthquake Center reported 1723 earthquakes within the state. The largest earthquake was magnitude 5.5 that occurred on April 2 at 08:26:32 AKDT (April 2, 16:26:32 UTC), 21 miles SW of Attu.

NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE


Magnitude 5.5, 21 miles SW of Attu, April 2 08:26:32 AKDT
Magnitude 5.2, 50 miles S of Mt. Gareloi, April 15 19:49:49 AKDT
Magnitude 5.1, 20 miles N of Ukinrek Craters, March 31 20:04:37 AKDT
Magnitude 5.0, 43 miles S of Nikolski, April 27 18:35:02 AKDT
Magnitude 4.7, 52 miles S of Nikolski, April 27 12:09:37 AKDT
Magnitude 4.7, 18 miles NW of Cooper Landing, April 29 00:03:41 AKDT
Magnitude 4.7, 30 miles SE of Buldir Is, April 25 00:11:29 AKDT
Magnitude 4.6, 21 miles NW of Port Lions, April 25 11:17:04 AKDT
Magnitude 4.6, 42 miles S of Nikolski, April 27 12:07:04 AKDT
Magnitude 4.5, 43 miles E of Kodiak, April 24 07:14:18 AKDT

This report was compiled by Natasha K.

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.