QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem822083
USGS iscgem822083
16 May 1968, 11:39
70 km S of Honchō, Japan
A magnitude 7.9 mw earthquake at 31.1 km depth.
Published location
Where is 70 km S of Honchō, 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.
41.498000, 142.858000
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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
iscgem822083
Coordinates
41.498, 142.858
Network
iscgem
Significance
960