QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem906570
USGS iscgem906570
16 Jan 1931, 19:19
2 km NNW of San Marcial Ozolotepec, Mexico
A magnitude 6.4 mw earthquake at 30 km depth.
Published location
Where is 2 km NNW of San Marcial Ozolotepec, Mexico?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
16.107000, -96.414000
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
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Catalog fields and provenance
Event ID
iscgem906570
Coordinates
16.107, -96.414
Network
iscgem
Significance
624