QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem16958175
USGS iscgem16958175
16 Dec 1911, 19:14
25 km S of Tetitlán, Mexico
A magnitude 7.5 mw earthquake at 30 km depth.
Published location
Where is 25 km S of Tetitlán, 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.
16.932000, -100.665000
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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
iscgem16958175
Coordinates
16.932, -100.665
Network
iscgem
Significance
868