QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00011q1
USGS usp00011q1

4 Jul 1979, 07:07

17 km N of Shikotan, Russia

A magnitude 6 mb earthquake at 78 km depth.

Depth78 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 17 km N of Shikotan, 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.

43.953000, 146.704000

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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

78 km SSE of Nemuro, Japan

M 6

45 km SSW of Shikotan, Russia

M 6

56 km SE of Obihiro, Japan

M 6

102 km S of Shikotan, Russia

M 6

37 km ENE of Shikotan, Russia

M 6

60 km ESE of Shikotan, Russia

Catalog fields and provenance
Event ID
usp00011q1
Coordinates
43.953, 146.704
Network
us
Significance
554