QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000as6j
USGS usp000as6j
3 Nov 2001, 23:34
115 km NW of Yoichi, Japan
A magnitude 5.3 mwc earthquake at 220.9 km depth.
Published location
Where is 115 km NW of Yoichi, 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.
43.823000, 139.623000
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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
usp000as6j
Coordinates
43.823, 139.623
Network
us
Significance
432