Earthquake · Reviewed by USGS
M2.6 earthquake 4 km NW of Challis, Idaho
A magnitude 2.6 earthquake struck 4 km NW of Challis, Idaho at May 20, 2026, 06:44 UTC, at a depth of 5 km. The epicentre was 186 km (115 mi) NE of Boise. 5 people reported feeling it to USGS.
Details
| Magnitude | 2.6 ml |
|---|---|
| Time | May 20, 2026, 06:44 UTC |
| Depth | 5.4 km |
| Coordinates | 44.536, -114.265 |
| Felt reports | 5 |
| 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 | 47 km / 29 mi | depth 7 km | |
| 1.6 | 21 km N of Challis, Idaho | 19 km / 12 mi | depth 4 km | |
| 3.2 | 22 km NW of Stanley, Idaho | 74 km / 46 mi | depth 10 km | |
| 3.3 | 21 km WNW of Stanley, Idaho | 76 km / 47 mi | depth 10 km | |
| 2.9 | 4 km NNE of Stanley, Idaho | 61 km / 38 mi | depth 10 km | |
| 2.8 | 23 km WNW of Stanley, Idaho | 82 km / 51 mi | depth 15 km | |
| 2.7 | 8 km N of Stanley, Idaho | 61 km / 38 mi | depth 12 km | |
| 2.5 | 22 km NW of Stanley, Idaho | 75 km / 47 mi | depth 13 km | |
| 3.2 | 18 km N of Leadore, Idaho | 79 km / 49 mi | depth 6 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.