QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem886928
USGS iscgem886928
28 Jul 1957, 09:40
8 km ENE of Apantla, Mexico
A magnitude 7.6 mw earthquake at 37.8 km depth.
Published location
Where is 8 km ENE of Apantla, 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.
17.055000, -99.092000
Open the interactive map ↗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.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem886928
Coordinates
17.055, -99.092
Network
iscgem
Significance
889