QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00005w2
USGS usp00005w2

6 Apr 1974, 04:56

24 km S of Sand Point, Alaska

A magnitude 6 mb earthquake at 40 km depth.

Depth40 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 24 km S 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.

55.120000, -160.443000

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

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Nearby events with a similar magnitude

M 6

75 km ESE of King Cove, Alaska

M 6

98 km ESE of Perryville, Alaska

M 6

87 km SE of King Cove, Alaska

M 6.02

71 km SSE of Sand Point, Alaska

M 6.04

58 km SW of Sand Point, Alaska

M 6.04

15 km SSE of Sand Point, Alaska

Catalog fields and provenance
Event ID
usp00005w2
Coordinates
55.12, -160.443
Network
us
Significance
554