QQuakeFacts
USGS usp0001t1b

14 Feb 1983, 03:20

94 km ESE of Sand Point, Alaska

A magnitude 6.5 mw earthquake at 47 km depth.

Depth47 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 94 km ESE of Sand Point, 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.

54.931000, -159.189000

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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
usp0001t1b
Coordinates
54.931, -159.189
Network
us
Significance
650