QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h0ds
USGS usp000h0ds
15 Aug 2009, 14:22
3 km NE of San Miguel Totolapan, Mexico
A magnitude 5.5 mwc earthquake at 56.9 km depth.
Published location
Where is 3 km NE of San Miguel Totolapan, 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.
18.183000, -100.366000
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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
usp000h0ds
Coordinates
18.183, -100.366
Network
us
Significance
492