QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem810987
USGS iscgem810987
16 Mar 1969, 16:54
117 km ESE of Ōfunato, Japan
A magnitude 6 mw earthquake at 41.3 km depth.
Published location
Where is 117 km ESE of Ōfunato, 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.
38.535000, 142.879000
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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
iscgem810987
Coordinates
38.535, 142.879
Network
iscgem
Significance
559