QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hy2t
USGS usp000hy2t
20 Mar 2011, 17:08
255 km E of Namie, Japan
A magnitude 5.2 mwc earthquake at 23.4 km depth.
Published location
Where is 255 km E of Namie, 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.
37.136000, 143.853000
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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
usp000hy2t
Coordinates
37.136, 143.853
Network
us
Significance
416