QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10003z79
USGS us10003z79
18 Nov 2015, 04:38
129 km W of Kaseda-shirakame, Japan
A magnitude 5.1 mb earthquake at 27.5 km depth.
Published location
Where is 129 km W of Kaseda-shirakame, 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.
31.370600, 128.961000
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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
us10003z79
Coordinates
31.3706, 128.961
Network
us
Significance
400