Earthquake · Reviewed by USGS
M4.9 earthquake 40 km N of San Agustín de Valle Fértil, Argentina
A magnitude 4.9 earthquake struck 40 km N of San Agustín de Valle Fértil, Argentina at Aug 22, 2025, 20:42 UTC, at a depth of 31 km. The epicentre was 109 km (68 mi) SSW of La Rioja. 4 people reported feeling it to USGS.
Details
| Magnitude | 4.9 mww |
|---|---|
| Time | Aug 22, 2025, 20:42 UTC |
| Depth | 30.9 km |
| Coordinates | -30.270, -67.406 |
| Felt reports | 4 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.2 | 35 km NNW of Chamical, Argentina | 93 km / 58 mi | depth 27 km | |
| 4.0 | 45 km SE of San Agustín de Valle Fértil, Argentina | 75 km / 47 mi | depth 40 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.