QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hyjq
USGS usp000hyjq
25 Mar 2011, 12:43
236 km ESE of Ishinomaki, Japan
A magnitude 5.1 mb earthquake at 25.7 km depth.
Published location
Where is 236 km ESE of Ishinomaki, 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.
37.710000, 143.837000
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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
usp000hyjq
Coordinates
37.71, 143.837
Network
us
Significance
400