QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/ak9905kdmjlk
USGS ak9905kdmjlk

1 May 1990, 17:12

19 km SSE of King Salmon, Alaska

A magnitude 6.6 mw earthquake at 252 km depth.

Depth252 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 19 km SSE of King Salmon, 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.

58.521200, -156.541600

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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 6.6

Event 39 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.6

74 km S of Kokhanok, Alaska

M 6.5

Event 21 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.75

Event 48 Novarupta-Mount Katmai area, Alaska Peninsula

M 6.79

17 km N of Ouzinkie, Alaska

M 6.4

75 km WNW of Ninilchik, Alaska

Catalog fields and provenance
Event ID
ak9905kdmjlk
Coordinates
58.5212, -156.5416
Network
ak
Significance
670