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USGS iscgem844236

7 Aug 1966, 18:36

6 km S of Golfo de Santa Clara, Mexico

A magnitude 6.5 mw earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 6 km S of Golfo de Santa Clara, 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.

31.633000, -114.507000

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Map data © OpenStreetMap contributors

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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Nearby events with a similar magnitude

80 km SW of La Libertad, Mexico

120km ESE of Maneadero, B.C., MX

90 km WNW of Bahía de Kino, Mexico

Baja California-Sonora Border Region, Mexico

129km SE of Maneadero, B.C., MX

5km S of Alberto Oviedo Mota, B.C., MX

Catalog fields and provenance

Event ID

iscgem844236

Coordinates

31.633, -114.507

Network

iscgem

Significance

650