During the week of January 29, 2024, the Alaska Earthquake Center reported 881 earthquakes within the state. The 2 largest events this week were both M4.0; the first event occurred 42 miles S of Tanaga Volcano on January 29 at 06:58:24 AKST, and the second event occurred 11 miles E of Sutton on January 29, 2024 21:15:18 AKST. The latter event was reported as felt in Chugiak and Anchorage.

Some of the noteworthy events include a M3.4 earthquake that occurred 0 miles E of Salcha on January 29, 2024 05:20:47 AKST, which was reported as felt in North Pole and Eielson AFB. This event was an aftershock of the M5.3 January 19, 2024 Salcha earthquake with a total of 102 aftershock this week ranging from M0.5 to 3.4. Additionally, a M3.2 earthquake that occurred 40 miles NE of Brevig Mission on January 28, 2024 20:35:11 AKST.

During this week we recorded decreasing activity in the south-western part of Brooks range with 8 events ranging from magnitude 1.0-2.6. 

There were 20 icequakes recorded in the Prince William Sound region, Yakutat Bay and Brady Glacier.

7 events were reported as felt during this week.


Magnitude 4.0, 42 miles S of Tanaga Volcano, January 29 06:58:25 AKST
Magnitude 4.0, 11 miles E of Sutton, January 29 21:15:19 AKST
Magnitude 3.9, 24 miles S of Mt. Gareloi, February 4 14:19:51 AKST
Magnitude 3.8, 14 miles E of Amchitka, January 31 00:25:28 AKST
Magnitude 3.8, 37 miles S of Yunaska Island, February 2 19:41:57 AKST
Magnitude 3.8, 117 miles SE of Old Crow, January 29 10:14:48 AKST
Magnitude 3.6, 43 miles S of Mt. Gareloi, January 31 05:32:43 AKST
Magnitude 3.4, 0 miles E of Salcha, January 29 05:20:48 AKST
Magnitude 3.4, 31 miles NE of Talkeetna, February 2 23:18:55 AKST
Magnitude 3.4, 28 miles NE of Tyonek, January 29 18:49:59 AKST

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.