QQuakeFacts
USGS ak0041w552xi

10 Feb 2004, 20:33

6 km WNW of Nanwalek, Alaska

A magnitude 5.5 mw earthquake at 65.6 km depth.

Depth65.6 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated2 May 2022Latest timestamp stored in this record

Published location

Where is 6 km WNW of Nanwalek, 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.

59.372500, -152.027600

Open the interactive map ↗

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

Need a current safety answer?

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

Catalog fields and provenance
Event ID
ak0041w552xi
Coordinates
59.3725, -152.0276
Network
ak
Significance
465