QQuakeFacts
USGS iscgem768538

20 Oct 1972, 09:17

194 km SW of La Cruz de Loreto, Mexico

A magnitude 6.6 mw earthquake at 11.8 km depth.

Depth11.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 194 km SW of La Cruz de Loreto, 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.

18.810000, -106.805000

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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
iscgem768538
Coordinates
18.81, -106.805
Network
iscgem
Significance
678