QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j2gb
USGS usp000j2gb
31 May 2011, 13:28
10 km WNW of ?tsuchi, Japan
A magnitude 5.4 mwc earthquake at 64.9 km depth.
Published location
Where is 10 km WNW of ?tsuchi, 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.
39.409000, 141.791000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp000j2gb
Coordinates
39.409, 141.791
Network
us
Significance
450