QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hy1m
USGS usp000hy1m
20 Mar 2011, 10:35
67 km E of ?hara, Japan
A magnitude 5.1 mb earthquake at 8.7 km depth.
Published location
Where is 67 km E of ?hara, 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.
35.157000, 141.123000
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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
usp000hy1m
Coordinates
35.157, 141.123
Network
us
Significance
400