QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem780731
USGS iscgem780731
30 Sept 1971, 09:17
75 km SW of Bahía de Lobos, Mexico
A magnitude 6.5 mw earthquake at 10 km depth.
Published location
Where is 75 km SW of Bahía de Lobos, 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.
26.809000, -110.914000
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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
iscgem780731
Coordinates
26.809, -110.914
Network
iscgem
Significance
650