QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem16957880
USGS iscgem16957880

10 Dec 1905, 12:35

76 km SSE of Adak, Alaska

A magnitude 6.7 mw earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated23 July 2024Latest timestamp stored in this record

Published location

Where is 76 km SSE of Adak, 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.

51.247000, -176.193000

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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 6.7

52 km ESE of Adak, Alaska

M 6.64

85 km SSW of Adak, Alaska

M 6.78

99 km SW of Atka, Alaska

M 6.63

62 km SSE of Atka, Alaska

M 6.79

100 km SW of Atka, Alaska

M 6.6

89 km S of Atka, Alaska

Catalog fields and provenance
Event ID
iscgem16957880
Coordinates
51.247, -176.193
Network
iscgem
Significance
693