QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000dx0t
USGS usp000dx0t

9 Aug 2005, 17:26

272 km SE of Katsuura, Japan

A magnitude 5 mwc earthquake at 38.1 km depth.

Depth38.1 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 272 km SE of Katsuura, 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.

33.428000, 142.432000

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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
usp000dx0t
Coordinates
33.428, 142.432
Network
us
Significance
385