QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h6d0
USGS usp000h6d0
20 Jan 2010, 09:32
22 km E of Santa María Chimalapa, Mexico
A magnitude 5 mwc earthquake at 104.3 km depth.
Published location
Where is 22 km E of Santa María Chimalapa, 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.
16.877000, -94.478000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
usp000h6d0
Coordinates
16.877, -94.478
Network
us
Significance
387