QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000af7k
USGS usp000af7k

20 May 2001, 05:21

33 km SW of El Colomo, Mexico

A magnitude 6.3 mwc earthquake at 33 km depth.

Depth33 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated29 April 2022Latest timestamp stored in this record

Published location

Where is 33 km SW of El Colomo, 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.

18.816000, -104.446000

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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 6.3

270 km SW of La Cruz de Loreto, Mexico

M 6.3

172 km SSW of Emiliano Zapata, Mexico

M 6.3

106 km SSW of Barra de Navidad, Mexico

M 6.31

10 km ESE of Mascota, Mexico

M 6.28

73 km SW of Barra de Navidad, Mexico

M 6.35

199 km SW of La Cruz de Loreto, Mexico

Catalog fields and provenance
Event ID
usp000af7k
Coordinates
18.816, -104.446
Network
us
Significance
611