WEEK SEISMICITY REPORT FOR MAY 20, 2024 TO MAY 26, 2024

During the week of May 20, 2024, the Alaska Earthquake Center reported 710 earthquakes within the state. The largest earthquake was magnitude 4.5 that occurred on May 20 at 18:30:47 AKDT (May 21, 02:30:47 UTC), 56 miles SE of Middleton Island.

Another notable event this week was a magnitude 4.1 earthquake that occurred 99 miles NE of Old Crow on May 23, 2024 11:04:44 AKDT. Including this, we recorded increased activity in this area with 6 events ranging from magnitude 2.2 to 4.1.

We also observed an increase in activity SE of Adak on May 24th, with approximately 20 events ranging from magnitude 1.5-3.1.

There were 14 icequakes recorded in the Prince William Sound and Yakutat Bay during this week, and one landslide reported 59 miles NE of Icy Bay on May 20, 2024 18:13:57 AKDT.

One event was reported as felt.

NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE


Magnitude 4.5, 56 miles SE of Middleton Island, May 20 18:30:48 AKDT
Magnitude 4.5, 87 miles SE of Westdahl Peak, May 23 23:16:45 AKDT
Magnitude 4.3, 87 miles SE of Akutan, May 23 02:38:24 AKDT
Magnitude 4.1, 99 miles NE of Old Crow, May 23 11:04:45 AKDT
Magnitude 4.0, 61 miles SW of Mt. Gareloi, May 26 02:16:13 AKDT
Magnitude 3.9, 21 miles SE of Atka, May 21 04:52:14 AKDT
Magnitude 3.9, 31 miles S of Amukta Pass, May 22 15:12:04 AKDT
Magnitude 3.8, 93 miles NE of Old Crow, May 20 07:30:35 AKDT
Magnitude 3.8, 38 miles S of Shemya Is, May 24 10:59:33 AKDT
Magnitude 3.6, 40 miles SE of Yantarni Volcano, May 20 01:57:41 AKDT

This report was compiled by Ayumi Bakken

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.