Earthquake · Reviewed by USGS
M1.6 earthquake 21 km N of Challis, Idaho
A magnitude 1.6 earthquake struck 21 km N of Challis, Idaho at Oct 1, 2026, 11:00 UTC, at a depth of 4 km. The epicentre was 195 km (121 mi) SW of Butte.
Details
| Magnitude | 1.6 ml |
|---|---|
| Time | Oct 1, 2026, 11:00 UTC |
| Depth | 3.9 km |
| Coordinates | 44.702, -114.207 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 2.2 | 21 km W of Clayton, Idaho | 64 km / 40 mi | depth 7 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.