QQuakeFacts
USGS usp000d6vm

23 Oct 2004, 09:59

6 km ESE of Ojiya, Japan

A magnitude 5.7 mb earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated18 September 2020Latest timestamp stored in this record

Published location

Where is 6 km ESE of Ojiya, 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.

37.268000, 138.866000

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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
usp000d6vm
Coordinates
37.268, 138.866
Network
us
Significance
500