QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem796868
USGS iscgem796868

18 Apr 1970, 09:50

53 km W of Anchor Point, Alaska

A magnitude 6.1 mw earthquake at 97.9 km depth.

Depth97.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is 53 km W of Anchor 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.

59.804000, -152.780000

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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 6.05

62 km SSE of Kokhanok, Alaska

M 6.03

61 km WSW of Nanwalek, Alaska

M 6.1

Event 19 Novarupta-Mount Katmai area, Alaska Peninsula

M 6

Event 33 Novarupta-Mount Katmai area, Alaska Peninsula

M 6

Event 43 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.1

Event 49 Novarupta-Mount Katmai area, Alaska Peninsula

Catalog fields and provenance
Event ID
iscgem796868
Coordinates
59.804, -152.78
Network
iscgem
Significance
563