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7.4
EarthquakeExtreme

M7.4 earthquake near Caldera, Atacama

15718 d ago · 4 Oct 1983, 18:52 UTC 54 km WSW of Diego de Almagro, Chile

What happened

A magnitude 7.4 earthquake struck 54 km WSW of Diego de Almagro, Chile on 4 Oct 1983, 18:52 UTC at a depth of 15 km.

Earthquakes of this size are classed as Major. Can cause serious damage over large areas. This was a shallow earthquake, which tends to be felt more strongly at the surface.

The nearest town in our records is Caldera, about 64 km away in Atacama, Chile.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:46 UTC

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