QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hw61
USGS usp000hw61
11 Mar 2011, 23:58
173 km SE of Kamaishi, Japan
A magnitude 5.3 mb earthquake at 31 km depth.
Published location
Where is 173 km SE of Kamaishi, 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.
38.397000, 143.525000
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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
usp000hw61
Coordinates
38.397, 143.525
Network
us
Significance
432