Weekly Seismicity Report For March 18, 2019 to March 24, 2019

During the week of March 18, 2019, the Alaska Earthquake Center reported 920 earthquakes within the state. The largest earthquake was magnitude 4.5 that occurred on March 22 at 12:25:04 AKST (March 22, 20:25:04 UTC), 37 miles SE of Mt. Gareloi. 3 events were felt this week. The Purcell Mountains swarm and the Kaktovik aftershocks are still ongoing.

Notable Events in Descending Order of Magnitude

Magnitude 4.5, 37 miles SE of Mt. Gareloi, March 22 10:25:04 AKST
Magnitude 4.4, 4 miles E of Little Sitkin Pass, March 24 11:17:41 AKST
Magnitude 4.1, 14 miles W of Wasilla, March 23 05:14:45 AKST
Magnitude 3.8, 18 miles S of Adak, March 23 11:46:43 AKST
Magnitude 3.8, 52 miles SE of Akutan, March 20 08:31:34 AKST
Magnitude 3.7, 62 miles NW of Hayes Volcano, March 17 21:46:41 AKST
Magnitude 3.7, 25 miles NE of Mt. Spurr, March 19 21:44:13 AKST
Magnitude 3.6, 48 miles SW of Kaktovik, March 19 21:19:36 AKST
Magnitude 3.6, 33 miles SE of Mt. Gareloi, March 19 06:25:28 AKST
Magnitude 3.6, 143 miles SE of Kodiak, March 18 13:44:58 AKST

This report was compiled by M. Braun.

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 authroized or unauthorized use.

For more information on earthquakes and seismology, contact the AEC at (907)-474-7320.