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Earthquake · Reviewed by USGS

M1.7 earthquake 7 km S of Toston, Montana

A magnitude 1.7 earthquake struck 7 km S of Toston, Montana at Oct 22, 2026, 08:59 UTC, at a depth of 5 km. The epicentre was 57 km (36 mi) NW of Bozeman.

Details

Magnitude1.7 ml
TimeOct 22, 2026, 08:59 UTC
Depth5.0 km
Coordinates46.107, -111.453
Felt reports0
Tsunami flagNone
SourceUSGS event page
Fig. 1The epicentre and other earthquakes within 100 km, since the day before

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
MagnitudeLocationDistanceDepthTime
2.420 km SW of Whitehall, Montana76 km / 48 midepth 2 km
1.218 km E of Townsend, Montana25 km / 16 midepth 13 km
1.16 km SSW of Toston, Montana2 km / 1 midepth 2 km
2.36 km SSW of Toston, Montana2 km / 1 midepth 1 km
1.08 km SE of Big Sky, Montana98 km / 61 midepth 13 km

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