QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem911900
USGS iscgem911900
15 May 1922, 21:21
130 km SSE of Shizunai-furukawach?, Japan
A magnitude 6.5 mw earthquake at 30 km depth.
Published location
Where is 130 km SSE of Shizunai-furukawach?, 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.
41.227000, 142.904000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem911900
Coordinates
41.227, 142.904
Network
iscgem
Significance
642