QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem786128
USGS iscgem786128
3 Mar 1971, 15:46
71 km W of Las Grullas Margen Derecha, Mexico
A magnitude 6 mw earthquake at 24.8 km depth.
Published location
Where is 71 km W of Las Grullas Margen Derecha, 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.
25.856000, -110.048000
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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
iscgem786128
Coordinates
25.856, -110.048
Network
iscgem
Significance
554