Earthquake · Reviewed by USGS

M1.8 earthquake 45 km SSE of Adak, Alaska

A magnitude 1.8 earthquake struck 45 km SSE of Adak, Alaska at Oct 18, 2026, 00:28 UTC, at a depth of 37 km.

Details

Magnitude	1.8 ml
Time	Oct 18, 2026, 00:28 UTC
Depth	37.3 km
Coordinates	51.506, -176.352
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	58 km / 36 mi	depth 19 km	Oct 23, 06:05 UTC
2.6	72 km SE of Adak, Alaska	33 km / 20 mi	depth 22 km	Oct 21, 21:38 UTC
1.5	21 km WSW of Adak, Alaska	52 km / 32 mi	depth 97 km	Oct 21, 17:44 UTC
2.1	77 km SSW of Adak, Alaska	57 km / 35 mi	depth 28 km	Oct 21, 16:15 UTC
2.2	84 km SW of Atka, Alaska	98 km / 61 mi	depth 22 km	Oct 21, 14:18 UTC
1.9	57 km SW of Adak, Alaska	58 km / 36 mi	depth 22 km	Oct 21, 07:32 UTC
2.0	68 km SSE of Adak, Alaska	23 km / 15 mi	depth 27 km	Oct 21, 05:17 UTC
2.6	54 km SSE of Adak, Alaska	10 km / 6 mi	depth 27 km	Oct 21, 01:28 UTC
3.2	63 km SW of Adak, Alaska	58 km / 36 mi	depth 10 km	Oct 20, 03:44 UTC
3.4	54 km S of Adak, Alaska	25 km / 16 mi	depth 23 km	Oct 19, 23:22 UTC
2.2	62 km SW of Adak, Alaska	57 km / 36 mi	depth 4 km	Oct 19, 22:02 UTC
2.5	131 km S of Adak, Alaska	93 km / 58 mi	depth 10 km	Oct 19, 21:07 UTC
2.1	76 km SE of Adak, Alaska	34 km / 21 mi	depth 15 km	Oct 19, 11:47 UTC
2.0	58 km SW of Adak, Alaska	57 km / 36 mi	depth 17 km	Oct 19, 10:25 UTC
2.0	48 km E of Adak, Alaska	56 km / 35 mi	depth 173 km	Oct 19, 09:47 UTC
2.0	62 km SE of Adak, Alaska	21 km / 13 mi	depth 35 km	Oct 19, 09:33 UTC
2.2	58 km SW of Adak, Alaska	58 km / 36 mi	depth 19 km	Oct 19, 07:27 UTC
2.8	73 km SE of Adak, Alaska	31 km / 19 mi	depth 20 km	Oct 19, 02:07 UTC
3.3	63 km SW of Adak, Alaska	57 km / 35 mi	depth 4 km	Oct 19, 00:59 UTC
2.4	110 km SSW of Adak, Alaska	95 km / 59 mi	depth 22 km	Oct 18, 22:45 UTC
2.0	57 km SW of Adak, Alaska	58 km / 36 mi	depth 19 km	Oct 18, 22:15 UTC
2.5	80 km S of Adak, Alaska	43 km / 27 mi	depth 28 km	Oct 18, 22:13 UTC
2.7	58 km SW of Adak, Alaska	58 km / 36 mi	depth 16 km	Oct 18, 21:04 UTC
2.3	84 km SW of Adak, Alaska	79 km / 49 mi	depth 21 km	Oct 18, 20:29 UTC
2.3	46 km SSE of Adak, Alaska	4 km / 3 mi	depth 47 km	Oct 18, 19:27 UTC

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