QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j0du
USGS usp000j0du
22 Apr 2011, 16:25
21 km NNE of Iwaki, Japan
A magnitude 5.2 mwc earthquake at 23.5 km depth.
Published location
Where is 21 km NNE of Iwaki, 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.
37.226000, 140.988000
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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
usp000j0du
Coordinates
37.226, 140.988
Network
us
Significance
416