QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem892920
USGS iscgem892920
17 May 1952, 10:48
145 km S of Kushiro, Japan
A magnitude 6.4 mw earthquake at 39.3 km depth.
Published location
Where is 145 km S of Kushiro, 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.
41.666000, 144.429000
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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
iscgem892920
Coordinates
41.666, 144.429
Network
iscgem
Significance
624