Earthquake · Reviewed by USGS
M1.7 earthquake 8 km W of Townsend, Montana
A magnitude 1.7 earthquake struck 8 km W of Townsend, Montana at Oct 15, 2026, 20:32 UTC, at a depth of -2 km. The epicentre was 44 km (27 mi) SE of Helena.
Details
| Magnitude | 1.7 ml |
|---|---|
| Time | Oct 15, 2026, 20:32 UTC |
| Depth | -2.0 km |
| Coordinates | 46.313, -111.632 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 2.4 | 20 km SW of Whitehall, Montana | 81 km / 50 mi | depth 2 km | |
| 1.2 | 18 km E of Townsend, Montana | 27 km / 17 mi | depth 13 km | |
| 1.1 | 6 km SSW of Toston, Montana | 25 km / 15 mi | depth 2 km | |
| 2.3 | 6 km SSW of Toston, Montana | 25 km / 16 mi | depth 1 km | |
| 1.7 | 7 km S of Toston, Montana | 27 km / 17 mi | depth 5 km | |
| 1.4 | 5 km WSW of Elliston, Montana | 71 km / 44 mi | depth 16 km | |
| 2.1 | 6 km WSW of Elliston, Montana | 72 km / 45 mi | depth 14 km | |
| 1.5 | 6 km E of Butte, Montana | 72 km / 45 mi | depth -2 km | |
| 2.1 | 15 km ENE of Twin Bridges, Montana | 88 km / 55 mi | depth 4 km | |
| 1.6 | 15 km S of Whitehall, Montana | 74 km / 46 mi | depth 4 km | |
| 1.8 | 5 km E of Butte, Montana | 72 km / 45 mi | depth -2 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.