QQuakeFacts
USGS usp000bsj3

13 Mar 2003, 03:12

2 km NW of Iwatsuki, Japan

A magnitude 5.2 mwc earthquake at 69.5 km depth.

Depth69.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 2 km NW of Iwatsuki, 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.

35.982000, 139.678000

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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
usp000bsj3
Coordinates
35.982, 139.678
Network
us
Significance
416