QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem898698
USGS iscgem898698
20 Dec 1946, 19:19
68 km S of Shing?, Japan
A magnitude 8.3 mw earthquake at 15 km depth.
Published location
Where is 68 km S of Shing?, 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.
33.123000, 135.905000
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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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Catalog fields and provenance
Event ID
iscgem898698
Coordinates
33.123, 135.905
Network
iscgem
Significance
1060