Data last collected:
QuakeFactsEvidence report · prepared 25 October 2026https://quakes99.com/entity/usp0001ae2
USGS usp0001ae2
24 Oct 1980, 15:53
1 km NE of Piaxtla, Mexico
A magnitude 6.4 mb earthquake at 72 km depth.
Published location
Where is 1 km NE of Piaxtla, 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.
18.211000, -98.240000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp0001ae2
Coordinates
18.211, -98.24
Network
us
Significance
630
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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 1 km NE of Piaxtla, Mexico earthquake: magnitude 6.4 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 1 km NE of Piaxtla, Mexico
Depth in another unit
The recorded event depth of 72 km is approximately 44.74 miles below the source reference surface. Depth alone does not describe damage or local hazard.
Interpreting the recorded coordinates
The published position for 1 km NE of Piaxtla, Mexico is 18.211° north and 98.24° west. This expresses the source coordinates in hemispheres; it does not establish an entrance, public access or a safe route.