QQuakeFacts
USGS us7000cl2f

30 Nov 2020, 04:59

45 km ESE of Nikolski, Alaska

A magnitude 5.5 mww earthquake at 34 km depth.

Depth34 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 45 km ESE 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.

52.744800, -168.260500

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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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Catalog fields and provenance
Event ID
us7000cl2f
Coordinates
52.7448, -168.2605
Network
us
Significance
467