QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000b4r5
USGS usp000b4r5

21 May 2002, 21:04

70 km N of Shikotan, Russia

A magnitude 5.5 mwc earthquake at 149.8 km depth.

Depth149.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated2 May 2022Latest timestamp stored in this record

Published location

Where is 70 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.

44.430000, 146.619000

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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 5.5

86 km S of Shikotan, Russia

M 5.5

54 km E of Shikotan, Russia

M 5.5

61 km S of Korsakov, Russia

M 5.5

27 km SE of Nemuro, Japan

M 5.5

72 km SE of Kushiro, Japan

M 5.5

27 km ENE of Kushiro, Japan

Catalog fields and provenance
Event ID
usp000b4r5
Coordinates
44.43, 146.619
Network
us
Significance
465