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Earthquake · Reviewed by USGS

M1.4 earthquake 4 km SSE of Alberton, Montana

A magnitude 1.4 earthquake struck 4 km SSE of Alberton, Montana at Oct 18, 2026, 07:29 UTC, at a depth of 8 km. The epicentre was 36 km (22 mi) WNW of Missoula.

Details

Magnitude1.4 ml
TimeOct 18, 2026, 07:29 UTC
Depth8.5 km
Coordinates46.961, -114.451
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
1.416 km NW of Old Agency, Montana54 km / 33 midepth 10 km

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