WEEK SEISMICITY REPORT FOR FEBRUARY 19, 2024 TO FEBRUARY 25, 2024

During the week of February 19, 2024, the Alaska Earthquake Center reported 771 earthquakes within the state. The largest earthquake was magnitude 4.6 that occurred on February 21 at 01:47:30 AKDT (February 21, 10:47:30 UTC), 14 miles SW of Redoubt Volcano.

Some of the noteworthy events include a magnitude 4.4 earthquake that occurred 40 miles NE of Talkeetna on February 23, 2024 09:43:56 AKST, which was reported as felt in Anchorage, a magnitude 3.7 earthquake that occurred 2 miles E of Salcha on February 22, 2024 17:54:01 AKST, which was reported as felt in Fairbanks, Eielson AFB and North Pole. This event was an aftershock of the M5.3 January 19, 2024 Salcha earthquake with additional 16 aftershock in this week ranging from M0.6 to 1.4. 

There were 13 icequakes recorded in the Prince William Sound, Icy Bay and Yakutat Bay.

Five events were reported as felt.

NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE


Magnitude 4.6, 14 miles SW of Redoubt Volcano, February 21 01:47:30 AKST
Magnitude 4.4, 5 miles NE of Koniuji Island, February 23 06:45:38 AKST
Magnitude 4.4, 40 miles NE of Talkeetna, February 23 09:43:56 AKST
Magnitude 4.3, 76 miles SE of Okmok Caldera, February 18 22:04:02 AKST
Magnitude 4.0, 38 miles S of Mt. Sergief, February 19 02:28:42 AKST
Magnitude 4.0, 28 miles S of Atka Pass, February 24 09:23:44 AKST
Magnitude 3.7, 2 miles E of Salcha, February 22 17:54:02 AKST
Magnitude 3.6, 59 miles S of Buldir Is, February 20 16:37:47 AKST
Magnitude 3.5, 189 miles SE of Kodiak, February 22 03:50:10 AKST
Magnitude 3.5, 10 miles W of Hatcher Pass, February 20 19:45:09 AKST

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.