QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hzrb
USGS usp000hzrb
11 Apr 2011, 12:42
20 km SSW of Ishikawa, Japan
A magnitude 5.5 mwr earthquake at 10 km depth.
Published location
Where is 20 km SSW of Ishikawa, 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.
36.980000, 140.356000
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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
usp000hzrb
Coordinates
36.98, 140.356
Network
us
Significance
469