QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000b551
USGS usp000b551
28 May 2002, 22:33
38 km SSE of Llano de la Puerta, Mexico
A magnitude 5.1 mb earthquake at 9.1 km depth.
Published location
Where is 38 km SSE of Llano de la Puerta, 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.
16.438000, -99.359000
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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
usp000b551
Coordinates
16.438, -99.359
Network
us
Significance
400