M7.4 earthquake near Caucete, San Juan
17859 d ago · 23 Nov 1977, 09:26 UTC San Juan, Argentina
What happened
A magnitude 7.4 earthquake struck San Juan, Argentina on 23 Nov 1977, 09:26 UTC at a depth of 13 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 Caucete, about 85 km away in San Juan, Argentina.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
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