M2.8 earthquake near Caucete, San Juan

What happened

A magnitude 2.8 earthquake struck LA RIOJA, ARGENTINA on 18 Oct 2026, 04:06 UTC at a depth of 108 km.

Earthquakes of this size are classed as Micro. Usually not felt, or felt only by a few people at rest. Recorded by instruments. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.

The nearest town in our records is Caucete, about 136 km away in San Juan, Argentina.