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USGS iscgem886162

15 Mar 1957, 02:52

118 km E of Nikolski, Alaska

A magnitude 6.4 mw earthquake at 25 km depth.

Depth25 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated26 April 2022Latest timestamp stored in this record

Published location

Where is 118 km E of Nikolski, 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.

52.762000, -167.129000

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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

50 km SE of Akutan, Alaska

85 km ESE of Akutan, Alaska

123 km ESE of Nikolski, Alaska

60 km NE of Akutan, Alaska

81 km ESE of Akutan, Alaska

88 km SE of False Pass, Alaska

Catalog fields and provenance

Event ID

iscgem886162

Coordinates

52.762, -167.129

Network

iscgem

Significance

632