QQuakeFacts
USGS usp000hvw8

11 Mar 2011, 13:18

161 km E of Namie, Japan

A magnitude 5.5 mb earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated8 April 2022Latest timestamp stored in this record

Published location

Where is 161 km E of Namie, 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.

37.575000, 142.827000

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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
usp000hvw8
Coordinates
37.575, 142.827
Network
us
Significance
465