M7.4 earthquake near Pinotepa Nacional, Oaxaca

What happened

A magnitude 7.4 earthquake struck 40 km S of Corralero, Mexico on 4 Aug 1928, 18:26 UTC at a depth of 20 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 Pinotepa Nacional, about 55 km away in Oaxaca, Mexico.