QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hxjn
USGS usp000hxjn

16 Mar 2011, 20:44

234 km E of Namie, Japan

A magnitude 5.1 mwc earthquake at 10.4 km depth.

Depth10.4 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 234 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.

37.336000, 143.639000

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Map data © OpenStreetMap contributors

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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Nearby events with a similar magnitude

M 5.1

166 km ESE of Iwaki, Japan

M 5.1

170 km ESE of Namie, Japan

M 5.1

262 km ESE of Ishinomaki, Japan

M 5.1

192 km E of Namie, Japan

M 5.1

146 km ESE of Namie, Japan

M 5.1

184 km ESE of Iwaki, Japan

Catalog fields and provenance
Event ID
usp000hxjn
Coordinates
37.336, 143.639
Network
us
Significance
400