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USGS ak9906upz2ax

29 May 1990, 19:30

155 km SSE of Akhiok, Alaska

A magnitude 6.1 mw earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated12 May 2022Latest timestamp stored in this record

Published location

Where is 155 km SSE of Akhiok, 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.

55.650500, -153.243300

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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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Nearby events with a similar magnitude

95 km SSE of Old Harbor, Alaska

99 km SSE of Old Harbor, Alaska

210 km SE of Chignik, Alaska

132 km E of Chignik, Alaska

36 km ESE of Akhiok, Alaska

13 km S of Akhiok, Alaska

Catalog fields and provenance

Event ID

ak9906upz2ax

Coordinates

55.6505, -153.2433

Network

ak

Significance

572