6.4
EarthquakeMajor
M6.4 earthquake near Añatuya, Santiago del Estero
14234 d ago · 27 Oct 1987, 21:58 UTC 8 km SSE of Colonia Dora, Argentina
What happened
A magnitude 6.4 earthquake struck 8 km SSE of Colonia Dora, Argentina on 27 Oct 1987, 21:58 UTC at a depth of 605 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 26 km away in Santiago del Estero, Argentina.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
Community
Did you feel it?
Nearby in the last 30 days
No other events recorded within about 300 km in the last 30 days.