QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20003gl8
USGS us20003gl8

5 Sept 2015, 07:34

77 km SSW of Atka, Alaska

A magnitude 5.2 mb earthquake at 48 km depth.

Depth48 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 July 2023Latest timestamp stored in this record

Published location

Where is 77 km SSW of Atka, 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.

51.512800, -174.446700

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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 5.2

87 km ESE of Adak, Alaska

M 5.2

80 km SSE of Atka, Alaska

M 5.2

51 km SE of Adak, Alaska

M 5.2

181 km SSE of Atka, Alaska

M 5.2

73 km SE of Atka, Alaska

M 5.2

85 km SSW of Atka, Alaska

Catalog fields and provenance
Event ID
us20003gl8
Coordinates
51.5128, -174.4467
Network
us
Significance
416