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USGS ak0115aiaea0

25 Apr 2011, 20:29

47 km SW of Nanwalek, Alaska

A magnitude 5 mw earthquake at 57.4 km depth.

Depth57.4 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 47 km SW of Nanwalek, 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.

59.061600, -152.532200

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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

54 km WNW of Karluk, Alaska

65 km ENE of Pedro Bay, Alaska

69 km NNW of Aleneva, Alaska

52 km E of Pedro Bay, Alaska

86 km ENE of Port Alsworth, Alaska

39 km W of Karluk, Alaska

Catalog fields and provenance

Event ID

ak0115aiaea0

Coordinates

59.0616, -152.5322

Network

ak

Significance

398