QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem901708
USGS iscgem901708
18 Nov 1940, 13:47
18 km NNE of Tanabe, Japan
A magnitude 6.1 mw earthquake at 50 km depth.
Published location
Where is 18 km NNE of Tanabe, 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.
33.888000, 135.436000
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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
iscgem901708
Coordinates
33.888, 135.436
Network
iscgem
Significance
565