QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0007uuh
USGS usp0007uuh
22 Dec 1996, 14:53
131 km W of Iwanai, Japan
A magnitude 6.5 mwc earthquake at 226.5 km depth.
Published location
Where is 131 km W of Iwanai, 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.
43.207000, 138.920000
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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
usp0007uuh
Coordinates
43.207, 138.92
Network
us
Significance
650