QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem851909
USGS iscgem851909

22 Dec 1965, 19:41

37 km NNW of Aleneva, Alaska

A magnitude 6.3 mw earthquake at 50.7 km depth.

Depth50.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 37 km NNW of Aleneva, 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.

58.355000, -153.217000

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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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Continue exploring

Nearby events with a similar magnitude

M 6.25

70 km E of Port Alsworth, Alaska

M 6.3

Event 18 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.3

Event 35 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.2

Event 38 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.2

Event 50 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.31

Event 17 Novarupta-Mount Katmai area, Alaska Peninsula

Catalog fields and provenance
Event ID
iscgem851909
Coordinates
58.355, -153.217
Network
iscgem
Significance
601