QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ci3365279
USGS ci3365279

19 May 1940, 05:36

The 1940 Imperial Valley, California Earthquake

A magnitude 6.9 mw earthquake at 6 km depth.

Depth6 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated16 February 2024Latest timestamp stored in this record

Published location

Where is The 1940 Imperial Valley, California Earthquake?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

32.844167, -115.381000

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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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Continue exploring

Nearby events with a similar magnitude

M 7.1

The 1999 Hector Mine, California Earthquake

M 6.7

The 1918 San Jacinto, California Earthquake

M 6.6

The 1942 Fish Creek Mountains, California Earthquake

M 6.6

The 1968 Borrego Mountain, California Earthquake

M 6.6

The 1987 Superstition Hills, California Earthquake

M 7.3

The 1992 Landers, California Earthquake

Catalog fields and provenance
Event ID
ci3365279
Coordinates
32.8441667, -115.381
Network
ci
Significance
732