WEEK SEISMICITY REPORT FOR MARCH 10, 2025 TO MARCH 16, 2025

During the week of March 10, 2025, the Alaska Earthquake Center reported 556 earthquakes within the state. The largest earthquake was magnitude 4.8 that occurred on March 12 at 09:29:54 AKDT (March 12, 17:29:54 UTC), 46 miles S of Point Hope. This event was not reported as felt, but generated 8 aftershocks throughout the week ranging in magnitude from 1.8 to 3.3. 

There were two other significant earthquakes in northwest Alaska this week. Another magnitude 4.8 earthquake occurred in the western Brooks Range, 55 miles N of Ambler on March 13 at 14:04:45 AKDT. This event was not felt either, but did generate a few small aftershocks ranging in magnitude from 1.2 to 2.0. 

The other significant northwest Alaska event was a magnitude 4.0 earthquake that occurred on the Seward Peninsula, 34 miles E of Teller. This earthquake occurred on March 13 at 01:34:10 AKDT. It was reported as felt in Nome, and no significant aftershock activity was detected. This was the only felt event of the week. 

There were 16 icequakes detected this week, occurring in the Prince William Sound and Yakutat regions. They ranged in magnitude from 1.2 to 2.0. 

NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE


Magnitude 4.8, 46 miles S of Point Hope, March 12 09:29:54 AKDT
Magnitude 4.8, 55 miles N of Ambler, March 13 14:04:45 AKDT
Magnitude 4.4, 10 miles S of Segula Peak, March 16 14:46:21 AKDT
Magnitude 4.2, 56 miles S of Perryville, March 16 02:25:22 AKDT
Magnitude 4.0, 34 miles E of Teller, March 13 01:34:10 AKDT
Magnitude 3.8, 56 miles S of Isanotski Peaks, March 15 00:26:28 AKDT
Magnitude 3.7, 61 miles S of Yunaska Island, March 15 09:43:17 AKDT
Magnitude 3.6, 33 miles S of Bobrof Island, March 12 07:08:35 AKDT
Magnitude 3.4, 29 miles SE of Okmok Caldera, March 9 18:20:45 AKDT
Magnitude 3.3, 3 miles W of Iliamna Volcano, March 11 11:37:12 AKDT

This report was compiled by Derreck Gossett

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.