QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ushis500
USGS ushis500

19 Mar 1910, 00:11

Offshore Humboldt County, California

A magnitude 6 ms earthquake at 0 km depth.

Depth0 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated18 July 2025Latest timestamp stored in this record

Published location

Where is Offshore Humboldt County, California?

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

40.000000, -125.000000

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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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Nearby events with a similar magnitude

M 6

Near Rio Dell, California

M 6

153 km WNW of Indianola, California

M 6

72 km WSW of Crescent City, California

M 6

136 km WSW of Pistol River, Oregon

M 6

near the coast of Northern California

M 6

30 km SSW of Scotia, California

Catalog fields and provenance
Event ID
ushis500
Coordinates
40, -125
Network
ushis
Significance
554