WEEK SEISMICITY REPORT FOR APRIL 21, 2025 TO APRIL 27, 2025
During the week of April 21, 2025, the Alaska Earthquake Center reported 384 earthquakes within the state. The largest earthquake was magnitude 4.7 that occurred on April 27 at 12:09:37 AKDT (April 27, 20:09:37 UTC), 52 miles S of Nikolski.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 4.7, 52 miles S of Nikolski, April 27 12:09:37 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
Magnitude 4.5, 5 miles NW of Willow, April 22 16:24:51 AKDT
Magnitude 4.5, 2 miles W of Ninilchik, April 26 11:54:54 AKDT
Magnitude 3.8, 18 miles SE of Adak, April 23 05:09:42 AKDT
Magnitude 3.7, 24 miles NE of Koniuji Island, April 24 17:21:52 AKDT
Magnitude 3.6, 18 miles N of Atka, April 27 00:33:45 AKDT
This report was compiled by Owen Simonds
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.