QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem907116
USGS iscgem907116
3 Nov 1931, 16:19
9 km NW of Yamada, Japan
A magnitude 6.1 mw earthquake at 35 km depth.
Published location
Where is 9 km NW of Yamada, 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.
39.535000, 141.879000
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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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Catalog fields and provenance
Event ID
iscgem907116
Coordinates
39.535, 141.879
Network
iscgem
Significance
574