QQuakeFacts
USGS us2000hf6l

15 Sept 2018, 16:40

91 km S of Severo-Kuril’sk, Russia

A magnitude 5.4 mww earthquake at 49.3 km depth.

Depth49.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 91 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.

49.850800, 156.169900

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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
us2000hf6l
Coordinates
49.8508, 156.1699
Network
us
Significance
449