M6.3 earthquake near Joaquín V. González, Salta

What happened

A magnitude 6.3 earthquake struck 57 km SSE of Taco Pozo, Argentina on 20 Dec 1966, 12:26 UTC at a depth of 578 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 Joaquín V. González, about 149 km away in Salta, Argentina.