QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hw01
USGS usp000hw01
11 Mar 2011, 17:38
127 km E of Miyako, Japan
A magnitude 5.2 mb earthquake at 50.8 km depth.
Published location
Where is 127 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.
39.742000, 143.423000
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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
usp000hw01
Coordinates
39.742, 143.423
Network
us
Significance
416