QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000jtc6
USGS usp000jtc6
1 Oct 2012, 23:21
100 km E of Miyako, Japan
A magnitude 6.1 mww earthquake at 15 km depth.
Published location
Where is 100 km E of Miyako, 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.
39.808000, 143.099000
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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
usp000jtc6
Coordinates
39.808, 143.099
Network
us
Significance
576