Earthquake · Reviewed by USGS

M2.3 earthquake 92 km SSW of Atka, Alaska

A magnitude 2.3 earthquake struck 92 km SSW of Atka, Alaska at Oct 21, 2026, 04:27 UTC, at a depth of 4 km.

Details

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Around it

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
2.6	72 km SE of Adak, Alaska	94 km / 59 mi	depth 22 km	Oct 21, 21:38 UTC
2.4	87 km SSW of Atka, Alaska	5 km / 3 mi	depth 10 km	Oct 21, 18:17 UTC
2.2	84 km SW of Atka, Alaska	35 km / 21 mi	depth 22 km	Oct 21, 14:18 UTC
2.3	59 km SE of Atka, Alaska	77 km / 48 mi	depth 6 km	Oct 21, 14:15 UTC
2.3	87 km SSW of Atka, Alaska	4 km / 3 mi	depth 12 km	Oct 21, 13:04 UTC
2.9	186 km S of Atka, Alaska	98 km / 61 mi	depth 25 km	Oct 20, 20:26 UTC

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.