QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000jbx5
USGS usp000jbx5

7 Dec 2011, 05:13

24 km N of Helio García Alfaro, Mexico

A magnitude 5.1 mwc earthquake at 193.1 km depth.

Depth193.1 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 24 km N of Helio García Alfaro, 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.

17.478000, -94.251000

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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.

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Nearby events with a similar magnitude

M 5.1

17 km ESE of El Carrizal, Mexico

M 5.1

14 km ESE of San Gabriel Mixtepec, Mexico

M 5.1

69 km SSE of Crucecita, Mexico

M 5.1

72 km SW of Puerto Madero, Mexico

M 5.1

172 km SSE of El Carrizal, Mexico

M 5.1

5 km ENE of San Agustín Loxicha, Mexico

Catalog fields and provenance
Event ID
usp000jbx5
Coordinates
17.478, -94.251
Network
us
Significance
408