Earthquake · Reviewed by USGS
M4.3 earthquake 23 km NNE of San Martín, Argentina
A magnitude 4.3 earthquake struck 23 km NNE of San Martín, Argentina at May 31, 2026, 22:18 UTC, at a depth of 114 km. The epicentre was 26 km (16 mi) NNE of Albardon.
Details
| Magnitude | 4.3 mb |
|---|---|
| Time | May 31, 2026, 22:18 UTC |
| Depth | 114.5 km |
| Coordinates | -31.231, -68.402 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.4 | 30 km NW of Albardón, Argentina | 31 km / 19 mi | depth 103 km | |
| 4.4 | 25 km N of San Martín, Argentina | 6 km / 4 mi | depth 108 km | |
| 4.1 | 17 km E of Calingasta, Argentina | 81 km / 50 mi | depth 117 km | |
| 4.1 | 17 km S of Caucete, Argentina | 65 km / 41 mi | depth 117 km | |
| 4.4 | 31 km ENE of Caucete, Argentina | 52 km / 32 mi | depth 115 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.