QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem881315
USGS iscgem881315
30 Jan 1959, 20:39
45 km NNE of Kushiro, Japan
A magnitude 6.4 mw earthquake at 25 km depth.
Published location
Where is 45 km NNE of Kushiro, 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.
43.371000, 144.509000
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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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Catalog fields and provenance
Event ID
iscgem881315
Coordinates
43.371, 144.509
Network
iscgem
Significance
626