During the week of April 22, 2024, the Alaska Earthquake Center reported 902 earthquakes within the state. The largest earthquake was magnitude 4.9 that occurred on April 26 at 20:42:59 AKDT (April 27, 04:42:59 UTC), 36 miles E of Amchitka.

Some notable events this week include a magnitude 3.9 earthquake that occurred 23 miles southeast of Holy Cross on April 22, 2024, at 01:10:34 AKDT, a rare event for this region. Additionally, a magnitude 3.6 earthquake occurred 14 miles northeast of Mt. Douglas on April 27, 2024, at 20:50:51 AKDT, which was reported in Homer. A magnitude 3.4 earthquake was recorded 33 miles north of Juneau on April 22, 2024, at 05:37:28 AKDT, and was felt in Juneau.

We also observed elevated activity near the Red Dog Mine site in the western part of the Brooks Range, with 41 events ranging from magnitude 1.0 to 3.7. Additionally, we recorded increased activity near the Point Hope region, with 8 events ranging from magnitude 1.6 to 2.6.

Furthermore, there were 57 icequakes recorded in the Prince William Sound, Icy Bay, and Yakutat Bay regions.

3 events were reported as felt during this week.


Magnitude 4.9, 36 miles E of Amchitka, April 26 20:42:59 AKDT
Magnitude 4.6, 47 miles SE of Amchitka, April 24 13:26:05 AKDT
Magnitude 4.1, 44 miles SE of Amchitka, April 23 20:33:17 AKDT
Magnitude 3.9, 23 miles SE of Holy Cross, April 22 01:10:35 AKDT
Magnitude 3.7, 54 miles E of Red Dog Mine site, April 27 19:48:44 AKDT
Magnitude 3.6, 123 miles SE of Perryville, April 27 14:44:53 AKDT
Magnitude 3.6, 14 miles NE of Mt. Douglas, April 27 20:50:51 AKDT
Magnitude 3.5, 65 miles SE of Sand Point, April 24 13:08:37 AKDT
Magnitude 3.4, 41 miles S of Mt. Gareloi, April 21 16:00:36 AKDT
Magnitude 3.4, 69 miles SE of Sand Point, April 24 13:09:02 AKDT

This report was compiled by Shah Khan

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.