Monthly Seismicity Report For June 1, 2019 to June 30, 2019

During the month of June 2019, the Alaska Earthquake Center reported 4,134 earthquakes within the state. The largest earthquake was magnitude 5.0 that occurred on June 7 at 06:57:32 AKST (June 7, 14:57:32 UTC), 54 miles NE of Ouzinkie. 15 events were felt this month. 7 of these were aftershocks from the November 30, 2018 magnitude 7.1 Anchorage earthquake. Events of note were a magnitude 5.0 earthquake near Kodiak on June 7th, and a magnitude 4.5 earthquake from the Purcell Mountains swarm on June 14th. Ongoing activity includes the Purcell Mountain Swarm, Offshore Kodiak aftershocks, and Kaktovik aftershocks, as well as continued glacial calving activity in Icy Bay. 

Notable Events in Descending Order of Magnitude

Magnitude 5.0, 54 miles NE of Ouzinkie, June 7 04:57:32 AKST
Magnitude 4.5, 42 miles S of Shungnak, June 14 20:31:36 AKST
Magnitude 4.4, 38 miles S of Adak, June 30 04:21:38 AKST
Magnitude 4.3, 47 miles SE of Mt. Recheshnoi, June 10 00:42:12 AKST
Magnitude 4.2, 65 miles S of Shemya Is, June 11 18:39:46 AKST
Magnitude 4.1, 40 miles SE of Yantarni Volcano, June 10 03:36:44 AKST
Magnitude 4.0, 52 miles S of Atka, June 5 22:44:38 AKST
Magnitude 3.9, 55 miles NE of Ouzinkie, June 7 05:01:37 AKST
Magnitude 3.9, 20 miles S of Iliamna Volcano, June 10 00:13:22 AKST
Magnitude 3.8, 14 miles SW of Talkeetna, June 18 18:55:20 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.