Earthquake · Reviewed by USGS
M4.5 earthquake 44 km S of Castro Barros, Argentina
A magnitude 4.5 earthquake struck 44 km S of Castro Barros, Argentina at May 31, 2026, 05:50 UTC, at a depth of 181 km. The epicentre was 88 km (55 mi) WSW of Cruz del Eje.
Details
| Magnitude | 4.5 mb |
|---|---|
| Time | May 31, 2026, 05:50 UTC |
| Depth | 180.7 km |
| Coordinates | -30.980, -65.674 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
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Nothing at this magnitude was recorded here in this period. Quiet stretches are normal for most places.
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.