M3.1 earthquake near San Luis, San Luis

What happened

A magnitude 3.1 earthquake struck SAN LUIS, ARGENTINA on 18 Oct 2026, 01:35 UTC at a depth of 10 km.

Earthquakes of this size are classed as Minor. Often felt indoors as a light jolt or rattle. Damage is very unlikely. This was a shallow earthquake, which tends to be felt more strongly at the surface.

The nearest town in our records is San Luis, about 38 km away in San Luis, Argentina.