QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem888711
USGS iscgem888711

20 Sept 1956, 22:52

172 km SSE of Vilyuchinsk, Russia

A magnitude 6.2 mw earthquake at 25 km depth.

Depth25 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is 172 km SSE of Vilyuchinsk, Russia?

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

51.512000, 159.432000

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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 6.2

151 km SE of Petropavlovsk-Kamchatsky, Russia

M 6.22

235 km SE of Severo-Kuril’sk, Russia

M 6.2

east of the Kuril Islands

M 6.2

88 km ESE of Ozernovskiy, Russia

M 6.2

82 km ESE of Ozernovskiy, Russia

M 6.2

146 km SE of Petropavlovsk-Kamchatsky, Russia

Catalog fields and provenance
Event ID
iscgem888711
Coordinates
51.512, 159.432
Network
iscgem
Significance
593