QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000cfw
USGS usp0000cfw

15 Aug 1975, 08:28

Komandorskiye Ostrova, Russia region

A magnitude 6.6 ms earthquake at 4 km depth.

Depth4 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is Komandorskiye Ostrova, Russia region?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

54.877000, 167.845000

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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 6.58

216 km WNW of Attu Station, Alaska

M 6.7

Komandorskiye Ostrova, Russia region

M 6.7

225 km WNW of Attu Station, Alaska

M 6.45

81 km W of Attu Station, Alaska

M 6.41

87 km NW of Attu Station, Alaska

M 6.4

142 km W of Attu Station, Alaska

Catalog fields and provenance
Event ID
usp0000cfw
Coordinates
54.877, 167.845
Network
us
Significance
670