QQuakeFacts
USGS ak020ec6yfqa

7 Nov 2020, 12:23

2 km E of Big Lake, Alaska

A magnitude 5.1 ml earthquake at 41.5 km depth.

Depth41.5 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 2 km E of Big Lake, 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.

61.520000, -149.914400

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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
ak020ec6yfqa
Coordinates
61.52, -149.9144
Network
ak
Significance
401