QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usb000jdt7
USGS usb000jdt7

30 Aug 2013, 17:25

101 km SW of Atka, Alaska

A magnitude 7 mww earthquake at 29 km depth.

Depth29 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 July 2023Latest timestamp stored in this record

Published location

Where is 101 km SW 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.

51.537000, -175.229700

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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 7

153 km SE of Adak, Alaska

M 7.02

101 km S of Adak, Alaska

M 6.98

69 km SW of Adak, Alaska

M 6.93

182 km SSE of Atka, Alaska

M 6.91

100 km ESE of Adak, Alaska

M 6.91

61 km SSW of Adak, Alaska

Catalog fields and provenance
Event ID
usb000jdt7
Coordinates
51.537, -175.2297
Network
us
Significance
758