QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem900654
USGS iscgem900654

9 Feb 1941, 10:44

84 km W of Ferndale, California

A magnitude 6.8 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is 84 km W of Ferndale, 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.

40.651000, -125.262000

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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 6.8

77 km WNW of Indianola, California

M 6.76

off the coast of Northern California

M 6.85

123 km W of Ferndale, California

M 6.7

217 km W of Ferndale, California

M 6.9

103 km W of Pistol River, Oregon

M 6.6

126 km W of Ferndale, California

Catalog fields and provenance
Event ID
iscgem900654
Coordinates
40.651, -125.262
Network
iscgem
Significance
709