Earthquake · Reviewed by USGS

M1.1 earthquake 45 km ESE of West Yellowstone, Montana

A magnitude 1.1 earthquake struck 45 km ESE of West Yellowstone, Montana at Oct 9, 2026, 08:55 UTC, at a depth of 5 km. The epicentre was 122 km (76 mi) NE of Rexburg.

Details

Magnitude	1.1 ml
Time	Oct 9, 2026, 08:55 UTC
Depth	4.8 km
Coordinates	44.502, -110.582
Felt reports	0
Tsunami flag	None
Source	USGS event page

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

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
1.2	24 km SSE of Mammoth, Wyoming	32 km / 20 mi	depth 7 km	Oct 25, 04:49 UTC
1.5	35 km S of Silver Gate, Montana	49 km / 31 mi	depth 12 km	Oct 22, 17:16 UTC
1.4	68 km ESE of West Yellowstone, Montana	24 km / 15 mi	depth 12 km	Oct 21, 15:59 UTC
1.0	8 km SE of Big Sky, Montana	98 km / 61 mi	depth 13 km	Oct 21, 10:23 UTC
1.1	46 km NW of Island Park, Idaho	99 km / 62 mi	depth 6 km	Oct 20, 10:12 UTC
1.1	35 km ESE of West Yellowstone, Montana	12 km / 7 mi	depth 6 km	Oct 19, 14:36 UTC
1.0	30 km ESE of West Yellowstone, Montana	15 km / 9 mi	depth 8 km	Oct 19, 03:48 UTC
1.9	35 km S of Silver Gate, Montana	48 km / 30 mi	depth 14 km	Oct 18, 21:25 UTC
1.1	4 km ESE of Hebgen Lake Estates, Montana	52 km / 32 mi	depth 12 km	Oct 17, 15:48 UTC
1.6	34 km E of West Yellowstone, Montana	18 km / 11 mi	depth 10 km	Oct 16, 16:52 UTC
1.1	35 km E of West Yellowstone, Montana	16 km / 10 mi	depth 5 km	Oct 16, 16:52 UTC
1.2	29 km SSW of Silver Gate, Montana	44 km / 28 mi	depth 6 km	Oct 15, 15:53 UTC
1.1	29 km SSW of Silver Gate, Montana	44 km / 27 mi	depth 6 km	Oct 15, 15:52 UTC
1.5	53 km SE of West Yellowstone, Montana	14 km / 9 mi	depth 2 km	Oct 15, 10:02 UTC
1.2	51 km NE of Alta, Wyoming	46 km / 28 mi	depth 9 km	Oct 14, 04:05 UTC
1.8	46 km ESE of West Yellowstone, Montana	6 km / 3 mi	depth 3 km	Oct 14, 02:22 UTC
1.3	51 km NE of Alta, Wyoming	45 km / 28 mi	depth 9 km	Oct 13, 12:57 UTC
1.8	40 km SSW of Silver Gate, Montana	39 km / 24 mi	depth 5 km	Oct 12, 01:15 UTC
1.2	47 km SE of Mammoth, Wyoming	23 km / 14 mi	depth 4 km	Oct 10, 10:38 UTC
2.0	24 km NE of Kelly, Wyoming	85 km / 53 mi	depth 13 km	Oct 9, 11:36 UTC

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