QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem900060
USGS iscgem900060
27 Oct 1943, 17:11
24 km SSW of Hirara, Japan
A magnitude 6.4 mw earthquake at 35 km depth.
Published location
Where is 24 km SSW of Hirara, 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.
24.601000, 125.205000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
iscgem900060
Coordinates
24.601, 125.205
Network
iscgem
Significance
630