M4.2 earthquake near Salina Cruz, Oaxaca
1901 d ago · 3 Aug 2021, 23:36 UTC 103 km S of San Francisco del Mar Viejo, Mexico
What happened
A magnitude 4.2 earthquake struck 103 km S of San Francisco del Mar Viejo, Mexico on 3 Aug 2021, 23:36 UTC at a depth of 41 km.
Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.
The nearest town in our records is Salina Cruz, about 113 km away in Oaxaca, Mexico.
Timeline
First reported by USGS
17 Oct 2026, 10:19 UTC
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