WEEK SEISMICITY REPORT FOR APRIL 1, 2024 TO APRIL 7, 2024
During the week of April 1, 2024, the Alaska Earthquake Center reported 759 earthquakes within the state. The largest earthquake was magnitude 4.4 that occurred on April 4 at 11:57:03 AKDT (April 4, 19:57:03 UTC), 33 miles E of Okmok Caldera. This event was reported as felt in Unalaska.
Another notable event this week was a magnitude 3.7 earthquake that occurred 63 miles SW of Little Diomede on April 1, 2024 13:31:46 AKDT. Throughout the week, we recorded 12 aftershocks of the January 19, 2024, M5.3 Salcha earthquake, ranging from M0.9 to 2.5.
We recorded 6 icequakes recorded in the Prince William Sound and Icy Bay. Also, there were 2 suspected quarry blasts (M0.7 and M1.4) located in the Goldstream Valley starting this week.
5 events were reported as felt.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 4.4, 33 miles E of Okmok Caldera, April 4 11:57:04 AKDT
Magnitude 4.1, 30 miles E of Mt. Douglas, March 31 23:18:21 AKDT
Magnitude 4.0, 75 miles SE of Chignik, April 1 11:29:43 AKDT
Magnitude 3.8, 15 miles SW of Davidof Island, April 6 07:39:11 AKDT
Magnitude 3.7, 63 miles SW of Little Diomede, April 1 13:31:47 AKDT
Magnitude 3.6, 22 miles S of Kiska Volcano, April 4 05:10:33 AKDT
Magnitude 3.5, 37 miles SE of Adak, April 3 23:00:31 AKDT
Magnitude 3.5, 48 miles S of Westdahl Peak, April 5 23:15:56 AKDT
Magnitude 3.5, 6 miles W of Segula Peak, April 3 17:37:20 AKDT
Magnitude 3.5, 88 miles S of Westdahl Peak, April 6 15:00:29 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.