WEEK SEISMICITY REPORT FOR JUNE 12, 2023 TO JUNE 18, 2023
During the week of June 12, 2023, the Alaska Earthquake Center reported 887 earthquakes within the state. The largest earthquake was magnitude 5.3 that occurred on June 13 at 08:16:02 AKDT (June 13, 16:16:02 UTC), 24 miles SE of Mt. Gareloi.
Some of the significant events include a magnitude 4.3 earthquake that occurred 19 miles S of White Mountain on June 15, 2023 23:23:30 AKDT which was reported as felt in Nome. This event had 17 aftershocks ranging in magnitude from M1.3 to M3.2
This earthquake also had a precursor event, a magnitude 3.9 earthquake that occurred 19 miles SW of Golovin (Cheenik) on June 13, 2023 02:50:22 AKDT. This event had 9 aftershocks ranging in magnitude from M1.4 to M2.6
There were 6 icequakes recorded near Prince William Sound, Icy Bay, and near Juneau.
NOTABLE EVENTS IN DESCENDING ORDER OF MAGNITUDE
Magnitude 5.3, 24 miles SE of Mt. Gareloi, June 13 08:16:02 AKDT
Magnitude 5.0, 16 miles S of Snowy Mountain, June 18 01:14:32 AKDT
Magnitude 4.7, 93 miles SE of Chignik, June 15 23:04:13 AKDT
Magnitude 4.3, 19 miles S of White Mountain, June 15 23:23:30 AKDT
Magnitude 4.1, 90 miles S of Amchitka, June 14 04:15:38 AKDT
Magnitude 3.9, 10 miles SW of Herbert Island, June 11 22:30:46 AKDT
Magnitude 3.9, 24 miles N of Tyonek, June 13 12:08:13 AKDT
Magnitude 3.9, 19 miles SW of Golovin (Cheenik), June 13 02:50:23 AKDT
Magnitude 3.8, 169 miles SE of Kodiak, June 13 16:38:04 AKDT
Magnitude 3.8, 13 miles SW of Seguam Island, June 13 07:20:19 AKDT
This report was compiled by R. Wilkes
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.