QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ak0047ygndne
USGS ak0047ygndne

21 Jun 2004, 22:29

39 km SSE of Skwentna, Alaska

A magnitude 5 mw earthquake at 79.7 km depth.

Depth79.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 39 km SSE of Skwentna, 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.

61.645800, -151.225100

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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

5 km NE of Point MacKenzie, Alaska

M 5

10 km SSW of Elmendorf Air Force Base, Alaska

M 5

16 km SSE of Susitna, Alaska

M 5

21 km WNW of Kalifornsky, Alaska

M 5

5 km SSW of Seldovia, Alaska

M 5

16 km ESE of Skwentna, Alaska

Catalog fields and provenance
Event ID
ak0047ygndne
Coordinates
61.6458, -151.2251
Network
ak
Significance
385