QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j8r3
USGS usp000j8r3

29 Sept 2011, 19:26

30 km NW of Ishikawa, Japan

A magnitude 5 mb earthquake at 45.1 km depth.

Depth45.1 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated24 March 2015Latest timestamp stored in this record

Published location

Where is 30 km NW of Ishikawa, 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.

26.648000, 127.653000

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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
usp000j8r3
Coordinates
26.648, 127.653
Network
us
Significance
418