QQuakeFacts
USGS usp000hfdm

18 Jul 2010, 06:56

66 km W of Nikolski, Alaska

A magnitude 6.7 mwc earthquake at 14 km depth.

Depth14 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 May 2026Latest timestamp stored in this record

Published location

Where is 66 km W of Nikolski, Alaska?

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

52.876000, -169.848000

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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
usp000hfdm
Coordinates
52.876, -169.848
Network
us
Significance
696