Data last collected:
QuakeFactsEvidence report · prepared 23 October 2026https://quakes99.com/entity/iscgem844236
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.
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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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
Catalog fields and provenance
Event ID
iscgem844236
Coordinates
31.633, -114.507
Network
iscgem
Significance
650
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right 6 km S of Golfo de Santa Clara, Mexico earthquake: magnitude 6.5 and depth | QuakeFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at 6 km S of Golfo de Santa Clara, Mexico
Depth in another unit
The recorded event depth of 10 km is approximately 6.21 miles below the source reference surface. Depth alone does not describe damage or local hazard.
Interpreting the recorded coordinates
The published position for 6 km S of Golfo de Santa Clara, Mexico is 31.633° north and 114.507° west. This expresses the source coordinates in hemispheres; it does not establish an entrance, public access or a safe route.