QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20005cr4
USGS us20005cr4

27 Mar 2016, 19:01

86 km S of Nikolski, Alaska

A magnitude 5.8 mww earthquake at 16 km depth.

Depth16 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated31 July 2023Latest timestamp stored in this record

Published location

Where is 86 km S 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.

52.175000, -168.655400

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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

M 5.8

190 km SW of Nikolski, Alaska

M 5.8

168 km E of Atka, Alaska

M 5.8

171 km E of Atka, Alaska

M 5.8

111 km SW of Nikolski, Alaska

M 5.8

241 km ESE of Atka, Alaska

M 5.8

82 km SE of Nikolski, Alaska

Catalog fields and provenance
Event ID
us20005cr4
Coordinates
52.175, -168.6554
Network
us
Significance
518