M5.6 earthquake near Añatuya, Santiago del Estero

What happened

A magnitude 5.6 earthquake struck 37 km NW of Añatuya, Argentina on 27 Dec 2025, 10:40 UTC at a depth of 593 km.

Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was a deep earthquake; shaking at the surface is usually weak for its size.

The nearest town in our records is Añatuya, about 37 km away in Santiago del Estero, Argentina.