QQuakeFacts
USGS usp000c8vf

27 Sept 2003, 23:23

40 km ESE of Shizunai-furukawach?, Japan

A magnitude 5.3 mb earthquake at 33 km depth.

Depth33 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 November 2014Latest timestamp stored in this record

Published location

Where is 40 km ESE of Shizunai-furukawach?, 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.

42.242000, 142.847000

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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
usp000c8vf
Coordinates
42.242, 142.847
Network
us
Significance
432