QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00011fr
USGS usp00011fr
22 Jun 1979, 07:30
13 km NE of Santa María Chimalapa, Mexico
A magnitude 6.3 mb earthquake at 107 km depth.
Published location
Where is 13 km NE of Santa María Chimalapa, 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.
17.000000, -94.609000
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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
usp00011fr
Coordinates
17, -94.609
Network
us
Significance
611