QQuakeFacts
USGS usp00025ev

2 Jul 1984, 05:50

1 km E of Chacalapa, Mexico

A magnitude 6.4 mw earthquake at 46.6 km depth.

Depth46.6 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 April 2022Latest timestamp stored in this record

Published location

Where is 1 km E of Chacalapa, 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.

16.804000, -98.441000

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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
usp00025ev
Coordinates
16.804, -98.441
Network
us
Significance
630