QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem898706
USGS iscgem898706
21 Dec 1946, 19:48
123 km E of Shikotan, Russia
A magnitude 6.8 mw earthquake at 25 km depth.
Published location
Where is 123 km E of Shikotan, Russia?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
43.854000, 148.255000
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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
iscgem898706
Coordinates
43.854, 148.255
Network
iscgem
Significance
701