QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hx7a
USGS usp000hx7a
14 Mar 2011, 17:59
109 km E of Tomioka, Japan
A magnitude 5.6 mwb earthquake at 20.3 km depth.
Published location
Where is 109 km E of Tomioka, 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.
37.206000, 142.245000
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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
usp000hx7a
Coordinates
37.206, 142.245
Network
us
Significance
482