M6.6 earthquake near Ciudad de Armería, Colima

What happened

A magnitude 6.6 earthquake struck 33 km SSW of Cuyutlán, Mexico on 1 May 1921, 05:39 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 Ciudad de Armería, about 40 km away in Colima, Mexico.