QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem903399
USGS iscgem903399
22 Dec 1937, 03:37
236 km SSW of Emiliano Zapata, Mexico
A magnitude 6.4 mw earthquake at 15 km depth.
Published location
Where is 236 km SSW of Emiliano Zapata, 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.
17.570000, -106.144000
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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
iscgem903399
Coordinates
17.57, -106.144
Network
iscgem
Significance
630