QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000atbf
USGS us2000atbf

22 Sept 2017, 20:50

218 km W of Ferndale, California

A magnitude 5.7 mww earthquake at 12.7 km depth.

Depth12.7 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated3 May 2022Latest timestamp stored in this record

Published location

Where is 218 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.

40.410500, -126.832600

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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 5.7

85 km WSW of Ferndale, California

M 5.7

195 km WSW of Port Orford, Oregon

M 5.7

174 km WSW of Port Orford, Oregon

M 5.72

40 km SW of Ferndale, California

M 5.65

29km W of Petrolia, CA

M 5.64

124 km WSW of Ferndale, California

Catalog fields and provenance
Event ID
us2000atbf
Coordinates
40.4105, -126.8326
Network
us
Significance
544