QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem898008
USGS iscgem898008

28 Aug 1947, 07:50

Kuril Islands

A magnitude 6.5 mw earthquake at 55 km depth.

Depth55 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is Kuril Islands?

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

49.355000, 155.305000

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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 6.45

210 km S of Severo-Kuril’sk, Russia

M 6.45

164 km S of Severo-Kuril’sk, Russia

M 6.45

51 km ENE of Severo-Kuril’sk, Russia

M 6.44

74 km ENE of Severo-Kuril’sk, Russia

M 6.46

201 km S of Severo-Kuril’sk, Russia

M 6.47

151 km SSW of Severo-Kuril’sk, Russia

Catalog fields and provenance
Event ID
iscgem898008
Coordinates
49.355, 155.305
Network
iscgem
Significance
640