QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem911070
USGS iscgem911070
25 Aug 1924, 15:31
98 km ESE of Kitaibaraki, Japan
A magnitude 6.6 mw earthquake at 25 km depth.
Published location
Where is 98 km ESE of Kitaibaraki, 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.
36.486000, 141.788000
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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
iscgem911070
Coordinates
36.486, 141.788
Network
iscgem
Significance
662