WEEK SEISMICITY REPORT FOR DECEMBER 26, 2022 TO JANUARY 1, 2023
During the week of December 26, 2022, the Alaska Earthquake Center reported 897 earthquakes within the state. The largest earthquake was magnitude 4.6 that occurred on December 30 at 21:13:28 AKST (December 31, 06:13:28 UTC), 32 miles S of Sand Point.
A magnitude 3.9 earthquake that occurred 26 miles SE of Iliamna Volcano on December 26, 2022 11:02:26 AKST at a depth of 55 milies was felt in southwestern Alaska communities.
During this week, 28 volcanic earthquakes with magnitudes ranging from 0.8 to 2.3 were recorded in the vicinity of Mount Trident in the Katmai National Park region.
Only 7 icequakes were reported in the Prince William Sound, Yakutat Bay, and Icy Bay regions.
3 earthquakes with magnitude ranging from 2.7 to 4.6 were reported as felt.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 4.6, 32 miles S of Sand Point, December 30 21:13:28 AKST
Magnitude 3.9, 26 miles SE of Iliamna Volcano, December 26 11:02:26 AKST
Magnitude 3.8, 121 miles S of Mt. Gareloi, December 29 10:25:32 AKST
Magnitude 3.5, 56 miles SE of Unalaska, December 31 08:39:53 AKST
Magnitude 3.4, 59 miles SE of Nikolski, January 1 04:18:25 AKST
Magnitude 3.4, 54 miles SE of Nikolski, December 26 22:58:21 AKST
Magnitude 3.3, 68 miles SE of Chignik, December 27 03:06:36 AKST
Magnitude 3.3, 37 miles SE of Adak, December 29 22:28:41 AKST
Magnitude 3.3, 57 miles W of Little Diomede, December 31 04:00:08 AKST
Magnitude 3.3, 21 miles N of Pilot Point, December 26 23:41:03 AKST
This report was compiled by Shah Khan
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.