QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem904678
USGS iscgem904678
2 Dec 1935, 16:42
143 km W of Naze, Japan
A magnitude 6.4 mw earthquake at 20 km depth.
Published location
Where is 143 km W of Naze, 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.
28.541000, 128.028000
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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
iscgem904678
Coordinates
28.541, 128.028
Network
iscgem
Significance
620