Earthquake · Reviewed by USGS

M1.9 earthquake 58 km E of Warm River, Idaho

A magnitude 1.9 earthquake struck 58 km E of Warm River, Idaho at Oct 4, 2026, 23:32 UTC, at a depth of 12 km. The epicentre was 104 km (65 mi) ENE of Rexburg.

Details

Magnitude	1.9 ml
Time	Oct 4, 2026, 23:32 UTC
Depth	12.3 km
Coordinates	44.206, -110.601
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	65 km / 40 mi	depth 7 km	Oct 25, 04:49 UTC
1.5	35 km S of Silver Gate, Montana	71 km / 44 mi	depth 12 km	Oct 22, 17:16 UTC
1.4	68 km ESE of West Yellowstone, Montana	27 km / 17 mi	depth 12 km	Oct 21, 15:59 UTC
1.1	35 km ESE of West Yellowstone, Montana	42 km / 26 mi	depth 6 km	Oct 19, 14:36 UTC
1.0	30 km ESE of West Yellowstone, Montana	43 km / 26 mi	depth 8 km	Oct 19, 03:48 UTC
1.9	35 km S of Silver Gate, Montana	70 km / 44 mi	depth 14 km	Oct 18, 21:25 UTC
1.1	4 km ESE of Hebgen Lake Estates, Montana	74 km / 46 mi	depth 12 km	Oct 17, 15:48 UTC
1.6	34 km E of West Yellowstone, Montana	50 km / 31 mi	depth 10 km	Oct 16, 16:52 UTC
1.1	35 km E of West Yellowstone, Montana	47 km / 29 mi	depth 5 km	Oct 16, 16:52 UTC
1.2	29 km SSW of Silver Gate, Montana	72 km / 45 mi	depth 6 km	Oct 15, 15:53 UTC
1.1	29 km SSW of Silver Gate, Montana	72 km / 44 mi	depth 6 km	Oct 15, 15:52 UTC
1.5	53 km SE of West Yellowstone, Montana	19 km / 12 mi	depth 2 km	Oct 15, 10:02 UTC
1.2	51 km NE of Alta, Wyoming	13 km / 8 mi	depth 9 km	Oct 14, 04:05 UTC
1.8	46 km ESE of West Yellowstone, Montana	28 km / 17 mi	depth 3 km	Oct 14, 02:22 UTC
1.3	51 km NE of Alta, Wyoming	12 km / 7 mi	depth 9 km	Oct 13, 12:57 UTC
1.8	40 km SSW of Silver Gate, Montana	62 km / 39 mi	depth 5 km	Oct 12, 01:15 UTC
1.2	47 km SE of Mammoth, Wyoming	51 km / 32 mi	depth 4 km	Oct 10, 10:38 UTC
2.0	24 km NE of Kelly, Wyoming	54 km / 33 mi	depth 13 km	Oct 9, 11:36 UTC
1.1	45 km ESE of West Yellowstone, Montana	33 km / 20 mi	depth 5 km	Oct 9, 08:55 UTC
1.0	4 km SSE of West Yellowstone, Montana	60 km / 37 mi	depth 13 km	Oct 7, 12:12 UTC
1.0	8 km NE of West Yellowstone, Montana	65 km / 40 mi	depth 11 km	Oct 4, 23:49 UTC
1.4	8 km NE of West Yellowstone, Montana	65 km / 40 mi	depth 11 km	Oct 4, 22:02 UTC

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