QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem874654
USGS iscgem874654
30 Apr 1962, 03:26
20 km SSE of Ichinoseki, Japan
A magnitude 6.1 mw earthquake at 15 km depth.
Published location
Where is 20 km SSE of Ichinoseki, 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.
38.737000, 141.198000
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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
iscgem874654
Coordinates
38.737, 141.198
Network
iscgem
Significance
572