QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usb000jgvu
USGS usb000jgvu

4 Sept 2013, 07:54

86 km SSW of Atka, Alaska

A magnitude 5.2 mb earthquake at 30.9 km depth.

Depth30.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 July 2023Latest timestamp stored in this record

Published location

Where is 86 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.

51.456900, -174.565100

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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
usb000jgvu
Coordinates
51.4569, -174.5651
Network
us
Significance
416