QQuakeFacts
USGS usp000hz2b

1 Apr 2011, 12:57

6 km SE of ?tsuchi, Japan

A magnitude 5.9 mww earthquake at 41 km depth.

Depth41 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 July 2022Latest timestamp stored in this record

Published location

Where is 6 km SE of ?tsuchi, 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.

39.323000, 141.950000

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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
usp000hz2b
Coordinates
39.323, 141.95
Network
us
Significance
537