During the week of May 27, 2019, the Alaska Earthquake Center reported 854 earthquakes within the state. The largest earthquake was magnitude 5.9 that occurred on May 27 at 01:52:21 AKST (May 27, 09:52:21 UTC), 37 miles SW of Nanwalek. At least five events were felt during this week, including an aftershock of the November 30 Anchorage earthquake, a M4.2 earthquake near Redoubt Volcano, and a M3.3 event near Sutton in the Matanuska-Susitna Valley. The M5.9 on May 27 south of Homer was particularly widely felt, with "Did You Feel It" responses from as far away as Soldotna. This event even produced two felt aftershocks. Aftershock sequences from large 2018 earthquakes remained active during this week, including from the November 30th Anchorage earthquake, the January 23 Kodiak earthquake, and the August 12 Kaktovik earthquake. The Purcell Mountains seismic swarm in the southwest Brooks range also remained active.
Magnitude 5.9, 37 miles SW of Nanwalek, May 26 23:52:22 AKST
Magnitude 4.2, 18 miles SE of Redoubt Volcano, May 27 13:44:50 AKST
Magnitude 3.9, 170 miles SE of Kodiak, May 28 10:32:57 AKST
Magnitude 3.7, 173 miles SE of Kodiak, May 29 06:22:44 AKST
Magnitude 3.7, 49 miles SW of Kaktovik, June 2 13:08:49 AKST
Magnitude 3.6, 159 miles SE of Kodiak, May 29 11:33:16 AKST
Magnitude 3.6, 101 miles N of Atka, June 2 03:28:10 AKST
Magnitude 3.5, 41 miles S of Shungnak, May 31 00:36:02 AKST
Magnitude 3.5, 163 miles SE of Kodiak, May 29 00:58:01 AKST
Magnitude 3.4, 11 miles S of Nikolski, May 27 18:42:33 AKST
This report was compiled by kamacpherson
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.