QQuakeFacts
USGS us10008j9d

20 Apr 2017, 16:20

156 km S of Severo-Kuril’sk, Russia

A magnitude 5.1 mb earthquake at 38.6 km depth.

Depth38.6 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 156 km S of Severo-Kuril’sk, 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.

49.272000, 156.070100

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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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Catalog fields and provenance
Event ID
us10008j9d
Coordinates
49.272, 156.0701
Network
us
Significance
400