QQuakeFacts
USGS usp000jhv0

13 Apr 2012, 13:12

24 km E of Iwaki, Japan

A magnitude 5.1 mb earthquake at 28.1 km depth.

Depth28.1 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated3 May 2022Latest timestamp stored in this record

Published location

Where is 24 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.

37.022000, 141.151000

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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
usp000jhv0
Coordinates
37.022, 141.151
Network
us
Significance
404