QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/official19581106225809_30
USGS official19581106225809_30

6 Nov 1958, 22:58

1958 Kuril Islands Earthquake

A magnitude 8.3 mw earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 November 2025Latest timestamp stored in this record

Published location

Where is 1958 Kuril Islands Earthquake?

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

44.479000, 148.485000

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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 8.2

1969 Hokkaido Toho-oki Earthquake

M 8.5

1963 Kuril Islands Earthquake

M 8.1

1918 Kuril Islands Earthquake

M 7.9

128 km ESE of Kuril’sk, Russia

M 7.83

east of the Kuril Islands

M 7.8

217 km ESE of Kuril’sk, Russia

Catalog fields and provenance
Event ID
official19581106225809_30
Coordinates
44.479, 148.485
Network
official
Significance
1060