QQuakeFacts
USGS usp000h04j

9 Aug 2009, 11:55

161 km S of ?yama, Japan

A magnitude 7.1 mwc earthquake at 292 km depth.

Depth292 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated15 July 2022Latest timestamp stored in this record

Published location

Where is 161 km S of ?yama, 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.

33.167000, 137.944000

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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
usp000h04j
Coordinates
33.167, 137.944
Network
us
Significance
1005