QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem857881
USGS iscgem857881
20 Apr 1965, 00:42
0 km SSE of Yaizu, Japan
A magnitude 6.1 mw earthquake at 36 km depth.
Published location
Where is 0 km SSE of Yaizu, 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.
34.866000, 138.321000
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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
iscgem857881
Coordinates
34.866, 138.321
Network
iscgem
Significance
565