M4.5 earthquake - 22 km W of Tamarindo, Costa Rica

What happened

A magnitude 4.5 earthquake struck 22 km W of Tamarindo, Costa Rica on 15 Oct 2026, 15:40 UTC at a depth of 23 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.

The nearest town in our records is Nicoya, about 68 km away in Guanacaste Province, Costa Rica.

Green alert: limited impact expected.