WEEKLY SEISMICITY REPORT FOR NOVEMBER 11, 2024 TO NOVEMBER 17, 2024

During the week of November 11, 2024, the Alaska Earthquake Center reported 551 earthquakes within the state. The largest earthquake was a magnitude 5.1 that occurred on November 14 at 15:11:56 AKST (November 15, 00:11:56 UTC), 33 miles S of Tanaga Volcano. It was not reported as felt.

One event was reported as felt this week: a magnitude 4.3 earthquake that occurred 23 miles west of Tatitlek on November 13 at 00:07:03 AKST. It was felt across the greater Prince William Sound area.

Earthquake swarm activity near Adak mostly subsided this week. In contrast, the neighboring Atka swarm increased in activity, with 11 recorded events. The Kaktovik swarm remained steady, with seven recorded events.

Seven ice quakes were recorded this week, and six mining blasts were detected. Five of the blasts occurred at the Fort Knox Mine, while the sixth occurred at the Manh Choh Mine.

NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE


Magnitude 5.1, 33 miles S of Tanaga Volcano, November 14 15:11:57 AKST
Magnitude 4.7, 10 miles E of Mt. Gareloi, November 14 12:49:14 AKST
Magnitude 4.7, 45 miles S of Atka, November 14 17:17:07 AKST
Magnitude 4.3, 23 miles W of Tatitlek, November 13 00:07:03 AKST
Magnitude 4.0, 57 miles S of Buldir Is, November 16 02:51:24 AKST
Magnitude 3.9, 25 miles SE of Buldir Is, November 12 06:26:13 AKST
Magnitude 3.9, 41 miles S of Westdahl Peak, November 15 11:16:16 AKST
Magnitude 3.7, 48 miles NW of Seguam Island, November 15 21:30:12 AKST
Magnitude 3.5, 174 miles SE of Kodiak, November 13 02:40:31 AKST
Magnitude 3.5, 40 miles NE of Atka, November 13 10:47:16 AKST

This report was compiled by Anthony Erickson

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 authorized or unauthorized use.

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