WEEK SEISMICITY REPORT FOR APRIL 10, 2023 TO APRIL 16, 2023

During the week of April 10, 2023, the Alaska Earthquake Center reported 1015 earthquakes within the state. The largest earthquake was magnitude 4.8 that occurred on April 9 at 16:16:56 AKDT (April 10, 00:16:56 UTC), 12 miles SE of Tyonek.

One other event of note was a M3.7, 28 miles SE of Cantwell (April 14, 2023 08:10:26 AKDT).

There were 7 icequakes detected in Prince William Sound and Icy Bay.

Two events were reported as felt.

NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE


Magnitude 4.8, 12 miles SE of Tyonek, April 9 16:16:56 AKDT
Magnitude 3.8, 59 miles S of Adak, April 11 00:59:43 AKDT
Magnitude 3.7, 56 miles S of Westdahl Peak, April 15 16:01:18 AKDT
Magnitude 3.7, 28 miles SE of Cantwell, April 14 08:10:26 AKDT
Magnitude 3.6, 165 miles SE of Kodiak, April 12 16:40:15 AKDT
Magnitude 3.5, 72 miles SE of Sand Point, April 9 19:24:54 AKDT
Magnitude 3.4, 115 miles SW of Amchitka, April 12 00:08:26 AKDT
Magnitude 3.2, 4 miles NE of Kialagvik Creek, April 11 02:47:37 AKDT
Magnitude 3.2, 32 miles S of Bobrof Island, April 12 07:36:08 AKDT
Magnitude 3.1, 36 miles SW of Sand Point, April 10 10:30:41 AKDT

This report was compiled by R. Wilkes

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.