QQuakeFacts
QuakeFactsEvidence report · prepared 3 September 2026https://quakes99.com/entity/us1000bu5c
USGS us1000bu5c

21 Dec 2017, 03:40

96 km E of Nishinoomote, Japan

A magnitude 5.1 mb earthquake at 21.3 km depth.

Depth21.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 96 km E of Nishinoomote, Japan?

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

30.676100, 132.008200

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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 5.1

196 km NW of Naze, Japan

M 5.1

72 km NE of Naze, Japan

M 5.1

27 km ENE of Koseda, Japan

M 5.1

70 km ESE of Naze, Japan

M 5.1

190 km NNW of Nago, Japan

M 5.1

107 km S of Yudomari, Japan

Catalog fields and provenance
Event ID
us1000bu5c
Coordinates
30.6761, 132.0082
Network
us
Significance
400