Earthquake · Reviewed by USGS
M3.2 earthquake 12 km NNW of Avon, Montana
A magnitude 3.2 earthquake struck 12 km NNW of Avon, Montana at Dec 9, 2025, 18:22 UTC, at a depth of 12 km. The epicentre was 51 km (32 mi) WNW of Helena. 1 people reported feeling it to USGS.
Details
| Magnitude | 3.2 ml |
|---|---|
| Time | Dec 9, 2025, 18:22 UTC |
| Depth | 12.1 km |
| Coordinates | 46.688, -112.689 |
| Felt reports | 1 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 1.9 | 24 km SSW of Augusta, Montana | 70 km / 43 mi | depth 3 km | |
| 1.4 | 5 km WSW of Elliston, Montana | 22 km / 14 mi | depth 16 km | |
| 1.1 | 27 km ENE of Seeley Lake, Montana | 77 km / 48 mi | depth 5 km | |
| 2.1 | 6 km WSW of Elliston, Montana | 21 km / 13 mi | depth 14 km | |
| 1.5 | 6 km E of Butte, Montana | 78 km / 48 mi | depth -2 km | |
| 1.2 | 17 km WNW of Lincoln, Montana | 38 km / 24 mi | depth 15 km | |
| 1.7 | 8 km W of Townsend, Montana | 91 km / 57 mi | depth -2 km | |
| 1.8 | 5 km E of Butte, Montana | 77 km / 48 mi | depth -2 km | |
| 1.6 | 2 km SE of South Hills, Montana | 57 km / 35 mi | depth -2 km | |
| 1.4 | 38 km NNE of Ovando, Montana | 77 km / 48 mi | depth 21 km | |
| 1.5 | 8 km W of Townsend, Montana | 92 km / 57 mi | depth -2 km | |
| 1.4 | 6 km E of Butte, Montana | 78 km / 48 mi | depth -2 km | |
| 1.3 | 41 km WSW of Augusta, Montana | 79 km / 49 mi | depth 9 km | |
| 1.3 | 14 km ESE of Lincoln, Montana | 26 km / 16 mi | depth 9 km | |
| 1.2 | 14 km ESE of Lincoln, Montana | 26 km / 16 mi | depth 9 km | |
| 3.1 | 12 km N of Ovando, Montana | 59 km / 36 mi | depth 5 km | |
| 1.6 | 23 km SSE of Augusta, Montana | 76 km / 48 mi | depth 15 km | |
| 1.4 | 9 km N of Radersburg, Montana | 93 km / 58 mi | depth -2 km | |
| 1.7 | 5 km E of Butte, Montana | 77 km / 48 mi | depth -2 km | |
| 1.6 | 11 km ESE of Lincoln, Montana | 28 km / 17 mi | depth 12 km | |
| 1.6 | 13 km ENE of Elliston, Montana | 32 km / 20 mi | depth 7 km | |
| 3.2 | 3 km NE of Seeley Lake, Montana | 81 km / 50 mi | depth 20 km | |
| 2.6 | 31 km ENE of Seeley Lake, Montana | 78 km / 49 mi | depth 10 km | |
| 3.0 | 16 km ESE of Butte, Montana | 84 km / 52 mi | depth 13 km | |
| 2.8 | 19 km S of Lincoln, Montana | 10 km / 6 mi | depth 5 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.