During the week of May 6, 2024, the Alaska Earthquake Center reported 730 earthquakes within the state.

The largest earthquake was magnitude 4.8 that occurred on May 10 at 17:53:05 AKDT, 16 miles SE of Iliamna Volcano. This event was felt throughout Kenai Peninsula and the Cook Inlet Region.

A notable event this week was a magnitude 2.7 earthquake just 13 miles NW of Anchorage, which was reported as felt by those in Anchorage, Chugiak, and Eagle River.

Following last weeks magnitude 5.5 Herbert Island earthquake on May 1st, aftershocks continue to occur with 10 events this week. This number is significantly lower than last weeks total of just over 100 aftershocks. Events in the Lisburne Peninsula swarm continue this week, with 15 events ranging in magnitude from 1.1 to 3.0. This is the second week of decline in number of events in this area, down from 31 in the week prior and 41 in the first week.

There were 14 icequake events recorded this week in the areas of Prince William Sound and Yakutat, and a magnitude 2.3 landslide occurring near Mount Cook on May 8, 2024 13:00:41 AKDT.

Two events this week were reported as felt.





Magnitude 4.8, 16 miles SE of Iliamna Volcano, May 10 17:53:06 AKDT
Magnitude 4.1, 14 miles SE of Great Sitkin Island, May 11 02:58:53 AKDT
Magnitude 4.1, 26 miles S of Seguam Island, May 8 17:21:23 AKDT
Magnitude 3.9, 13 miles SE of Semisopochnoi Island, May 7 07:01:51 AKDT
Magnitude 3.7, 41 miles SE of Amukta Pass, May 7 08:06:57 AKDT
Magnitude 3.7, 19 miles W of Kenai, May 12 02:14:57 AKDT
Magnitude 3.7, 29 miles SW of Mt. Gareloi, May 12 13:29:45 AKDT
Magnitude 3.6, 2 miles NW of Segula Peak, May 10 15:54:52 AKDT
Magnitude 3.5, 93 miles SW of Amchitka, May 5 20:27:09 AKDT
Magnitude 3.4, 23 miles S of Seguam Island, May 6 20:37:07 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.