QQuakeFacts
USGS ak002a0us9y6

6 Aug 2002, 20:53

16 km SSE of Susitna, Alaska

A magnitude 5 mw earthquake at 55.9 km depth.

Depth55.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated29 December 2025Latest timestamp stored in this record

Published location

Where is 16 km SSE of Susitna, 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.

61.416100, -150.355000

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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
ak002a0us9y6
Coordinates
61.4161, -150.355
Network
ak
Significance
429