Weekly Seismicity Report For January 21, 2019 to January 27, 2019

During the week of January 21, 2019, the Alaska Earthquake Center reported 793 earthquakes within the state. The largest earthquake was magnitude 5.2 that occurred on January 21 at 19:43:19 AKST (January 22, 04:43:19 UTC), 8 miles NW of Novarupta. This was a deep earthquake at 76 miles depth. 3 events were felt this week, 2 of which were aftershocks of the M7.0 Anchorage earthquake on November 30, 2018. We are also still seeing aftershocks from the Offshore Kodiak event that occurred back in January of 2018. 

Notable Events in Descending Order of Magnitude

Magnitude 5.2, 8 miles NW of Novarupta
Magnitude 4.6, 19 miles S of Willow
Magnitude 4.4, 71 miles SW of Kiska Volcano
Magnitude 4.0, 54 miles SE of Adak
Magnitude 3.9, 22 miles SE of Kantishna
Magnitude 3.8, 7 miles NW of Anchorage
Magnitude 3.6, 49 miles S of Unalaska
Magnitude 3.5, 17 miles S of Karluk
Magnitude 3.5, 34 miles NW of Valdez
Magnitude 3.5, 138 miles SE of Westdahl Peak

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.