QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j6at
USGS usp000j6at
11 Aug 2011, 19:22
1 km SSE of Iwaki, Japan
A magnitude 5.8 mww earthquake at 44 km depth.
Published location
Where is 1 km SSE 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.
37.034000, 140.893000
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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
usp000j6at
Coordinates
37.034, 140.893
Network
us
Significance
602