QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000ary6
USGS usp000ary6
30 Oct 2001, 21:04
120 km W of Naze, Japan
A magnitude 5.5 mwc earthquake at 135.9 km depth.
Published location
Where is 120 km W of Naze, 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.
28.579000, 128.280000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
usp000ary6
Coordinates
28.579, 128.28
Network
us
Significance
465