QQuakeFacts
USGS ushis393

3 Mar 1901, 07:45

1901 Parkfield, California Earthquake

A magnitude 6.4 ms earthquake at 0 km depth.

Depth0 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated30 January 2026Latest timestamp stored in this record

Published location

Where is 1901 Parkfield, 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.

36.000000, -120.500000

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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
ushis393
Coordinates
36, -120.5
Network
ushis
Significance
630