Earthquake · Reviewed by USGS
M4.0 earthquake 51 km WSW of Challapata, Bolivia
A magnitude 4.0 earthquake struck 51 km WSW of Challapata, Bolivia at Oct 20, 2025, 16:53 UTC, at a depth of 238 km. The epicentre was 96 km (60 mi) SSW of Huanuni.
Details
| Magnitude | 4.0 mb |
|---|---|
| Time | Oct 20, 2025, 16:53 UTC |
| Depth | 237.9 km |
| Coordinates | -19.075, -67.225 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.2 | 34 km SW of Totoral, Bolivia | 45 km / 28 mi | depth 251 km | |
| 4.3 | 32 km SSW of Challapata, Bolivia | 40 km / 25 mi | depth 268 km | |
| 4.2 | 75 km S of Challapata, Bolivia | 77 km / 48 mi | depth 258 km | |
| 4.6 | 92 km E of Colchane, Chile | 66 km / 41 mi | depth 10 km | |
| 4.1 | 78 km SW of Challapata, Bolivia | 39 km / 24 mi | depth 228 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.