Earthquake · Reviewed by USGS

M1.0 earthquake 8 km NE of West Yellowstone, Montana

A magnitude 1.0 earthquake struck 8 km NE of West Yellowstone, Montana at Oct 4, 2026, 23:49 UTC, at a depth of 11 km. The epicentre was 108 km (67 mi) S of Bozeman.

Details

Magnitude	1.0 md
Time	Oct 4, 2026, 23:49 UTC
Depth	10.6 km
Coordinates	44.707, -111.013
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	39 km / 24 mi	depth 7 km	Oct 25, 04:49 UTC
1.5	35 km S of Silver Gate, Montana	79 km / 49 mi	depth 12 km	Oct 22, 17:16 UTC
1.4	68 km ESE of West Yellowstone, Montana	65 km / 41 mi	depth 12 km	Oct 21, 15:59 UTC
1.0	8 km SE of Big Sky, Montana	62 km / 39 mi	depth 13 km	Oct 21, 10:23 UTC
1.1	46 km NW of Island Park, Idaho	62 km / 39 mi	depth 6 km	Oct 20, 10:12 UTC
1.1	35 km ESE of West Yellowstone, Montana	30 km / 19 mi	depth 6 km	Oct 19, 14:36 UTC
1.0	30 km ESE of West Yellowstone, Montana	26 km / 16 mi	depth 8 km	Oct 19, 03:48 UTC
1.9	35 km S of Silver Gate, Montana	77 km / 48 mi	depth 14 km	Oct 18, 21:25 UTC
1.1	4 km ESE of Hebgen Lake Estates, Montana	11 km / 7 mi	depth 12 km	Oct 17, 15:48 UTC
1.6	34 km E of West Yellowstone, Montana	28 km / 17 mi	depth 10 km	Oct 16, 16:52 UTC
1.1	35 km E of West Yellowstone, Montana	29 km / 18 mi	depth 5 km	Oct 16, 16:52 UTC
1.2	29 km SSW of Silver Gate, Montana	66 km / 41 mi	depth 6 km	Oct 15, 15:53 UTC
1.1	29 km SSW of Silver Gate, Montana	66 km / 41 mi	depth 6 km	Oct 15, 15:52 UTC
1.5	53 km SE of West Yellowstone, Montana	51 km / 32 mi	depth 2 km	Oct 15, 10:02 UTC
1.2	51 km NE of Alta, Wyoming	76 km / 47 mi	depth 9 km	Oct 14, 04:05 UTC
1.8	46 km ESE of West Yellowstone, Montana	43 km / 27 mi	depth 3 km	Oct 14, 02:22 UTC
1.3	51 km NE of Alta, Wyoming	75 km / 46 mi	depth 9 km	Oct 13, 12:57 UTC
1.8	40 km SSW of Silver Gate, Montana	69 km / 43 mi	depth 5 km	Oct 12, 01:15 UTC
1.2	47 km SE of Mammoth, Wyoming	53 km / 33 mi	depth 4 km	Oct 10, 10:38 UTC
1.1	45 km ESE of West Yellowstone, Montana	41 km / 26 mi	depth 5 km	Oct 9, 08:55 UTC
1.4	28 km S of Ennis, Montana	70 km / 43 mi	depth -2 km	Oct 8, 19:18 UTC
1.0	4 km SSE of West Yellowstone, Montana	11 km / 7 mi	depth 13 km	Oct 7, 12:12 UTC
1.9	58 km E of Warm River, Idaho	65 km / 40 mi	depth 12 km	Oct 4, 23:32 UTC
1.4	8 km NE of West Yellowstone, Montana	0 km / 0 mi	depth 11 km	Oct 4, 22:02 UTC
2.2	45 km NNE of Spencer, Idaho	75 km / 47 mi	depth 3 km	Oct 4, 18:36 UTC

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