QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem822073
USGS iscgem822073
16 May 1968, 09:58
73 km SSW of Honchō, Japan
A magnitude 6.1 mw earthquake at 29.8 km depth.
Published location
Where is 73 km SSW 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.
41.480000, 142.715000
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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
iscgem822073
Coordinates
41.48, 142.715
Network
iscgem
Significance
574