QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem892192
USGS iscgem892192
26 Nov 1953, 00:03
137 km SE of Katsuura, Japan
A magnitude 6.5 mw earthquake at 25 km depth.
Published location
Where is 137 km SE of Katsuura, 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.
34.378000, 141.499000
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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
iscgem892192
Coordinates
34.378, 141.499
Network
iscgem
Significance
652