QQuakeFacts
USGS usp000hvr6

11 Mar 2011, 08:01

162 km E of Iwaki, Japan

A magnitude 5.9 mb earthquake at 19.3 km depth.

Depth19.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated8 April 2022Latest timestamp stored in this record

Published location

Where is 162 km E of Iwaki, 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.

36.936000, 142.700000

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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
usp000hvr6
Coordinates
36.936, 142.7
Network
us
Significance
536