QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/official19030124052700000
USGS official19030124052700000

24 Jan 1903, 05:27

Colorado River Delta area, Baja California, Mexico

A magnitude 6.6 ms earthquake at 0 km depth.

Depth0 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated30 April 2024Latest timestamp stored in this record

Published location

Where is Colorado River Delta area, Baja California, 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.

31.500000, -115.000000

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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

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Continue exploring

Nearby events with a similar magnitude

M 6.57

Baja California-Sonora Border Region, Mexico

M 6.56

90 km WNW of Bahía de Kino, Mexico

M 6.52

120km ESE of Maneadero, B.C., MX

M 6.5

6 km S of Golfo de Santa Clara, Mexico

M 6.5

80 km SW of La Libertad, Mexico

M 6.43

129km SE of Maneadero, B.C., MX

Catalog fields and provenance
Event ID
official19030124052700000
Coordinates
31.5, -115
Network
official
Significance
670