QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hwd4
USGS usp000hwd4

12 Mar 2011, 08:59

228 km E of Namie, Japan

A magnitude 5.2 mb earthquake at 24.1 km depth.

Depth24.1 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 November 2014Latest timestamp stored in this record

Published location

Where is 228 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.

37.322000, 143.571000

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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 5.2

181 km E of Namie, Japan

M 5.2

221 km ESE of Iwaki, Japan

M 5.2

159 km E of Namie, Japan

M 5.2

222 km ESE of Namie, Japan

M 5.2

off the east coast of Honshu, Japan

M 5.2

180 km E of Iwaki, Japan

Catalog fields and provenance
Event ID
usp000hwd4
Coordinates
37.322, 143.571
Network
us
Significance
416