QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000gmj5
USGS usp000gmj5

31 Oct 2008, 22:10

69 km SSW of Atka, Alaska

A magnitude 5.3 mwc earthquake at 44.5 km depth.

Depth44.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated2 May 2022Latest timestamp stored in this record

Published location

Where is 69 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.

51.586000, -174.415000

Open the interactive map ↗

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.

Need a current safety answer?

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

M 5.3

99 km SSW of Atka, Alaska

M 5.3

34 km SW of Adak, Alaska

M 5.3

2 km SW of Atka, Alaska

M 5.3

53 km ESE of Adak, Alaska

M 5.3

185 km S of Adak, Alaska

M 5.3

30 km WNW of Adak, Alaska

Catalog fields and provenance
Event ID
usp000gmj5
Coordinates
51.586, -174.415
Network
us
Significance
432