During the week of May 13, 2024, the Alaska Earthquake Center reported 760 earthquakes within the state.

The largest earthquake, a magnitude 5.9, occurred on May 19 at 01:35:22 AKDT (May 19, 09:35:22 UTC), 56 miles south of Chagulak Island. Two of the thirteen aftershocks from this event, measuring magnitudes 5.0 and 4.5, also made the top-10 list of largest earthquakes this week. None of them were reported as being felt.

Another notable event was a magnitude 4.3 earthquake located 32 miles east of Talkeetna. This earthquake was mostly felt in Anchorage, Chugiak, and Wasilla. Following this event, there was a sharp increase in seismic activity for two days before it settled down. Throughout the week, a total of 26 events were co-located with this earthquake. Additionally, there was a cluster of 10 events near Burnt Mountain, a peak 62 miles NNE of Fort Yukon, which is an uncommon occurrence in this area.

Furthermore, there were 23 glacial events recorded, primarily in the Prince William Sound and Yakutat Bay areas. The Alaska Earthquake Center also reported 8 explosive events in the Fort Knox Mine area.

In total, eight events were reported as being felt this week.



Magnitude 5.9, 56 miles S of Chagulak Island, May 19 01:35:22 AKDT
Magnitude 5.0, 45 miles S of Chagulak Island, May 19 03:21:15 AKDT
Magnitude 4.6, 21 miles SE of Herbert Island, May 14 05:49:48 AKDT
Magnitude 4.5, 49 miles S of Mt. Gareloi, May 16 07:22:22 AKDT
Magnitude 4.5, 44 miles S of Chagulak Island, May 19 11:59:09 AKDT
Magnitude 4.4, 126 miles S of Kiska Volcano, May 18 19:54:19 AKDT
Magnitude 4.3, 32 miles E of Talkeetna, May 15 03:16:35 AKDT
Magnitude 4.2, 21 miles S of Semisopochnoi Island, May 17 10:54:35 AKDT
Magnitude 3.8, 27 miles W of Nanwalek, May 15 00:01:31 AKDT
Magnitude 3.8, 80 miles SE of Mt. Recheshnoi, May 18 15:27:41 AKDT

This report was compiled by Anthony Erickson

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.