M6.9 earthquake near Añatuya, Santiago del Estero

What happened

A magnitude 6.9 earthquake struck 38 km SE of Suncho Corral, Argentina on 21 Dec 1983, 12:05 UTC at a depth of 602 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a deep earthquake; shaking at the surface is usually weak for its size.

The nearest town in our records is Añatuya, about 45 km away in Santiago del Estero, Argentina.