QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hmhk
USGS usp000hmhk

3 Oct 2010, 09:10

127 km ESE of Nikolski, Alaska

A magnitude 5.1 mwc earthquake at 36.5 km depth.

Depth36.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 127 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.

52.730000, -167.004000

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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 5.1

113 km SSW of False Pass, Alaska

M 5.1

146 km S of False Pass, Alaska

M 5.1

127 km ESE of Nikolski, Alaska

M 5.1

118 km SSE of False Pass, Alaska

M 5.1

126 km ESE of Nikolski, Alaska

M 5.1

28 km E of Akutan, Alaska

Catalog fields and provenance
Event ID
usp000hmhk
Coordinates
52.73, -167.004
Network
us
Significance
400