QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000jghj
USGS usp000jghj
20 Mar 2012, 18:02
6 km E of Santiago Llano Grande, Mexico
A magnitude 7.4 mww earthquake at 20 km depth.
Published location
Where is 6 km E of Santiago Llano Grande, 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.
16.493000, -98.231000
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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
usp000jghj
Coordinates
16.493, -98.231
Network
us
Significance
1752