QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem894556
USGS iscgem894556
26 Jul 1951, 10:59
121 km E of Hachinohe, Japan
A magnitude 6.1 mw earthquake at 45 km depth.
Published location
Where is 121 km E of Hachinohe, 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.
40.660000, 142.924000
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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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Catalog fields and provenance
Event ID
iscgem894556
Coordinates
40.66, 142.924
Network
iscgem
Significance
578