QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem811200
USGS iscgem811200
21 Mar 1969, 05:56
47 km ENE of San Felipe, Mexico
A magnitude 6 mw earthquake at 10 km depth.
Published location
Where is 47 km ENE of San Felipe, 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.
31.222000, -114.402000
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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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Catalog fields and provenance
Event ID
iscgem811200
Coordinates
31.222, -114.402
Network
iscgem
Significance
558