QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hvqk
USGS usp000hvqk
11 Mar 2011, 07:28
87 km ESE of Iwaki, Japan
A magnitude 6.1 mb earthquake at 28.4 km depth.
Published location
Where is 87 km ESE 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.
36.823000, 141.824000
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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
usp000hvqk
Coordinates
36.823, 141.824
Network
us
Significance
572