Live record · USGSReports quakes after they happen. Not an alert system.

Earthquake · Reviewed by USGS

M1.5 earthquake 8 km W of Townsend, Montana

A magnitude 1.5 earthquake struck 8 km W of Townsend, Montana at Oct 8, 2026, 20:06 UTC, at a depth of -2 km. The epicentre was 45 km (28 mi) SE of Helena.

Details

Magnitude1.5 ml
TimeOct 8, 2026, 20:06 UTC
Depth-2.0 km
Coordinates46.305, -111.628
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, Montana81 km / 50 midepth 2 km
1.218 km E of Townsend, Montana27 km / 17 midepth 13 km
1.16 km SSW of Toston, Montana24 km / 15 midepth 2 km
2.36 km SSW of Toston, Montana24 km / 15 midepth 1 km
1.77 km S of Toston, Montana26 km / 16 midepth 5 km
1.45 km WSW of Elliston, Montana71 km / 44 midepth 16 km
2.16 km WSW of Elliston, Montana72 km / 45 midepth 14 km
1.56 km E of Butte, Montana72 km / 44 midepth -2 km
2.115 km ENE of Twin Bridges, Montana87 km / 54 midepth 4 km
1.615 km S of Whitehall, Montana74 km / 46 midepth 4 km
1.78 km W of Townsend, Montana1 km / 1 midepth -2 km
1.85 km E of Butte, Montana72 km / 45 midepth -2 km
1.62 km SE of South Hills, Montana38 km / 23 midepth -2 km
1.25 km SSE of Bozeman, Montana89 km / 55 midepth 4 km
1.46 km E of Butte, Montana71 km / 44 midepth -2 km

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