QQuakeFacts
USGS usp000j8c2

21 Sept 2011, 14:31

2 km WNW of Daigo, Japan

A magnitude 5.1 mwc earthquake at 42.5 km depth.

Depth42.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated8 April 2022Latest timestamp stored in this record

Published location

Where is 2 km WNW of Daigo, 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.

36.774000, 140.324000

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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
usp000j8c2
Coordinates
36.774, 140.324
Network
us
Significance
453