M6.4 earthquake - 236 km SSW of Emiliano Zapata, Mexico

What happened

A magnitude 6.4 earthquake struck 236 km SSW of Emiliano Zapata, Mexico on 22 Dec 1937, 03:37 UTC at a depth of 15 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 Cihuatlán, about 249 km away in Jalisco, Mexico.