QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000ja40
USGS usp000ja40
30 Oct 2011, 03:23
101 km N of Yonakuni, Japan
A magnitude 5.7 mwb earthquake at 224.2 km depth.
Published location
Where is 101 km N of Yonakuni, 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.
25.372000, 122.866000
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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
usp000ja40
Coordinates
25.372, 122.866
Network
us
Significance
506