Earthquake · Reviewed by USGS

M3.1 earthquake 123 km WSW of Adak, Alaska

A magnitude 3.1 earthquake struck 123 km WSW of Adak, Alaska at Oct 9, 2026, 00:28 UTC, at a depth of 35 km.

Details

Magnitude	3.1 ml
Time	Oct 9, 2026, 00:28 UTC
Depth	35.0 km
Coordinates	51.301, -178.161
Felt reports	0
Tsunami flag	None
Source	USGS event page

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

01 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
2.2	54 km SW of Adak, Alaska	72 km / 45 mi	depth 19 km	Oct 23, 06:05 UTC
2.0	126 km SW of Adak, Alaska	15 km / 9 mi	depth 37 km	Oct 21, 16:30 UTC
2.1	77 km SSW of Adak, Alaska	79 km / 49 mi	depth 28 km	Oct 21, 16:15 UTC
1.9	57 km SW of Adak, Alaska	71 km / 44 mi	depth 22 km	Oct 21, 07:32 UTC
3.2	63 km SW of Adak, Alaska	69 km / 43 mi	depth 10 km	Oct 20, 03:44 UTC
2.2	62 km SW of Adak, Alaska	70 km / 44 mi	depth 4 km	Oct 19, 22:02 UTC
2.1	126 km WSW of Adak, Alaska	5 km / 3 mi	depth 33 km	Oct 19, 14:06 UTC
2.0	58 km SW of Adak, Alaska	71 km / 44 mi	depth 17 km	Oct 19, 10:25 UTC
2.2	58 km SW of Adak, Alaska	70 km / 44 mi	depth 19 km	Oct 19, 07:27 UTC
3.0	127 km WSW of Adak, Alaska	6 km / 4 mi	depth 21 km	Oct 19, 01:43 UTC
3.3	63 km SW of Adak, Alaska	71 km / 44 mi	depth 4 km	Oct 19, 00:59 UTC
2.4	110 km SSW of Adak, Alaska	55 km / 34 mi	depth 22 km	Oct 18, 22:45 UTC
2.0	57 km SW of Adak, Alaska	71 km / 44 mi	depth 19 km	Oct 18, 22:15 UTC
2.7	58 km SW of Adak, Alaska	71 km / 44 mi	depth 16 km	Oct 18, 21:04 UTC
2.3	84 km SW of Adak, Alaska	50 km / 31 mi	depth 21 km	Oct 18, 20:29 UTC
2.7	61 km SW of Adak, Alaska	70 km / 44 mi	depth 10 km	Oct 18, 14:55 UTC
2.4	125 km WSW of Adak, Alaska	3 km / 2 mi	depth 23 km	Oct 18, 12:39 UTC
2.0	55 km SW of Adak, Alaska	71 km / 44 mi	depth 24 km	Oct 18, 10:53 UTC
2.5	128 km W of Adak, Alaska	63 km / 39 mi	depth 2 km	Oct 18, 09:34 UTC
2.0	70 km WSW of Adak, Alaska	54 km / 33 mi	depth 70 km	Oct 18, 08:32 UTC
2.4	123 km W of Adak, Alaska	70 km / 43 mi	depth 201 km	Oct 18, 04:34 UTC
2.2	125 km WSW of Adak, Alaska	3 km / 2 mi	depth 29 km	Oct 18, 01:51 UTC
2.1	101 km WSW of Adak, Alaska	23 km / 14 mi	depth 12 km	Oct 18, 00:45 UTC
1.4	130 km W of Adak, Alaska	69 km / 43 mi	depth 21 km	Oct 17, 20:43 UTC
2.7	150 km SW of Adak, Alaska	32 km / 20 mi	depth 9 km	Oct 16, 23:20 UTC

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