QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ak9881qzgn36
USGS ak9881qzgn36

7 Feb 1988, 08:46

75 km WNW of Ninilchik, Alaska

A magnitude 6.4 mw earthquake at 134 km depth.

Depth134 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 75 km WNW of Ninilchik, 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.

60.283800, -152.952500

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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 6.4

52 km ENE of Pedro Bay, Alaska

M 6.31

Event 17 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.5

Event 21 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.3

Event 18 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.3

Event 35 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.25

37 km NNW of Aleneva, Alaska

Catalog fields and provenance
Event ID
ak9881qzgn36
Coordinates
60.2838, -152.9525
Network
ak
Significance
630