QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000jxj7
USGS usp000jxj7

29 Dec 2012, 07:19

12 km E of Iwaki, Japan

A magnitude 5 mb earthquake at 66.2 km depth.

Depth66.2 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated24 March 2015Latest timestamp stored in this record

Published location

Where is 12 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.

37.064000, 141.025000

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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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Catalog fields and provenance
Event ID
usp000jxj7
Coordinates
37.064, 141.025
Network
us
Significance
399