QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ushis2561
USGS ushis2561

18 Aug 1962, 17:43

66 km WNW of Skwentna, Alaska

A magnitude 6.1 uk earthquake at 46 km depth.

Depth46 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated4 June 2018Latest timestamp stored in this record

Published location

Where is 66 km WNW of Skwentna, 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.

62.260000, -152.540000

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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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Continue exploring

Nearby events with a similar magnitude

M 6.1

Event 19 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.1

Event 49 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.1

73 km WNW of Ninilchik, Alaska

M 6.2

Event 38 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.2

Event 50 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.05

62 km SSE of Kokhanok, Alaska

Catalog fields and provenance
Event ID
ushis2561
Coordinates
62.26, -152.54
Network
ushis
Significance
578