M6.6 earthquake near Tapachula, Chiapas
20624 d ago · 29 Apr 1970, 11:22 UTC 55 km SW of Puerto Madero, Mexico
What happened
A magnitude 6.6 earthquake struck 55 km SW of Puerto Madero, Mexico on 29 Apr 1970, 11:22 UTC at a depth of 25 km.
Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.
The nearest town in our records is Tapachula, about 82 km away in Chiapas, Mexico.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
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