Earthquake · Reviewed by USGS

M1.9 earthquake Rat Islands, Aleutian Islands, Alaska

A magnitude 1.9 earthquake struck Rat Islands, Aleutian Islands, Alaska at Sep 29, 2026, 09:55 UTC, at a depth of 108 km.

Details

Magnitude	1.9 ml
Time	Sep 29, 2026, 09:55 UTC
Depth	108.4 km
Coordinates	51.835, 178.815
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	Rat Islands, Aleutian Islands, Alaska	34 km / 21 mi	depth 156 km	Oct 21, 18:06 UTC
2.4	Rat Islands, Aleutian Islands, Alaska	58 km / 36 mi	depth 51 km	Oct 21, 02:59 UTC
2.5	Rat Islands, Aleutian Islands, Alaska	20 km / 13 mi	depth 95 km	Oct 21, 00:13 UTC
4.2	Rat Islands, Aleutian Islands, Alaska	47 km / 29 mi	depth 52 km	Oct 19, 16:27 UTC
1.7	267 km W of Adak, Alaska	52 km / 32 mi	depth 82 km	Oct 18, 11:27 UTC
2.2	Rat Islands, Aleutian Islands, Alaska	17 km / 11 mi	depth 90 km	Oct 18, 04:55 UTC
4.1	Rat Islands, Aleutian Islands, Alaska	21 km / 13 mi	depth 95 km	Oct 17, 09:52 UTC
2.9	Rat Islands, Aleutian Islands, Alaska	25 km / 16 mi	depth 102 km	Oct 16, 14:34 UTC
2.5	Rat Islands, Aleutian Islands, Alaska	49 km / 30 mi	depth 56 km	Oct 16, 02:08 UTC
2.6	294 km W of Adak, Alaska	50 km / 31 mi	depth 68 km	Oct 15, 03:21 UTC
2.8	Rat Islands, Aleutian Islands, Alaska	94 km / 59 mi	depth 7 km	Oct 13, 02:18 UTC
3.4	Rat Islands, Aleutian Islands, Alaska	87 km / 54 mi	depth 27 km	Oct 12, 22:26 UTC
2.8	Rat Islands, Aleutian Islands, Alaska	85 km / 53 mi	depth 35 km	Oct 12, 15:55 UTC
3.0	Rat Islands, Aleutian Islands, Alaska	91 km / 57 mi	depth 10 km	Oct 12, 10:36 UTC
1.1	256 km W of Adak, Alaska	58 km / 36 mi	depth 8 km	Oct 11, 15:32 UTC
4.4	275 km W of Adak, Alaska	40 km / 25 mi	depth 95 km	Oct 11, 12:16 UTC
4.0	Rat Islands, Aleutian Islands, Alaska	29 km / 18 mi	depth 108 km	Oct 7, 08:47 UTC
2.7	235 km W of Adak, Alaska	87 km / 54 mi	depth 19 km	Oct 5, 05:34 UTC
1.3	Rat Islands, Aleutian Islands, Alaska	27 km / 17 mi	depth 10 km	Oct 1, 22:42 UTC
2.9	272 km W of Adak, Alaska	50 km / 31 mi	depth 85 km	Oct 1, 00:36 UTC
3.1	227 km W of Adak, Alaska	91 km / 56 mi	depth 99 km	Sep 30, 19:51 UTC
4.3	286 km W of Adak, Alaska	27 km / 17 mi	depth 118 km	Sep 30, 19:10 UTC
2.6	Rat Islands, Aleutian Islands, Alaska	49 km / 30 mi	depth 57 km	Sep 30, 02:51 UTC
2.1	290 km W of Adak, Alaska	46 km / 29 mi	depth 17 km	Sep 29, 18:01 UTC
2.6	227 km WSW of Adak, Alaska	100 km / 62 mi	depth 68 km	Sep 29, 16:17 UTC

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