QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000an94
USGS usp000an94
29 Aug 2001, 21:52
31 km ESE of Nichinan, Japan
A magnitude 5 ms earthquake at 41.7 km depth.
Published location
Where is 31 km ESE of Nichinan, 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.
31.543000, 131.693000
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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
usp000an94
Coordinates
31.543, 131.693
Network
us
Significance
385