Weekly Seismicity Report For January 6, 2020 to January 12, 2020

During the week of January 6, 2020, the Alaska Earthquake Center reported 738 earthquakes within the state. The largest earthquake was magnitude 4.1 that occurred on January 11 at 15:50:02 AKST (January 12, 00:50:02 UTC), 38 miles NW of Seguam Island. One event was felt this week in Anchorage. The Purcell Mountains swarm continues to be active along with the Eastern Brooks Range/Kaktovik events.

Notable Events in Descending Order of Magnitude

Magnitude 4.1, 38 miles NW of Seguam Island, January 11 15:50:02 AKST
Magnitude 4.0, 45 miles S of Makushin Volcano, January 8 05:45:28 AKST
Magnitude 3.9, 26 miles SW of Kantishna, January 11 02:36:34 AKST
Magnitude 3.9, 7 miles S of Segula Peak, January 12 07:22:26 AKST
Magnitude 3.8, 56 miles S of Tanaga Volcano, January 6 05:49:14 AKST
Magnitude 3.8, 20 miles SW of Nikolski, January 12 10:07:01 AKST
Magnitude 3.7, 75 miles SE of Old Harbor, January 8 06:09:54 AKST
Magnitude 3.5, 23 miles NE of Sand Point, January 8 17:28:35 AKST
Magnitude 3.5, 47 miles S of Cantwell, January 10 12:01:44 AKST
Magnitude 3.4, 16 miles NE of Iliamna Volcano, January 10 19:34:32 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.