QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup910357
USGS iscgemsup910357
2 Feb 1925, 11:38
99 km SE of Shikotan, Russia
A magnitude 6.1 mw earthquake at 35 km depth.
Published location
Where is 99 km SE 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.
43.289000, 147.728000
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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
iscgemsup910357
Coordinates
43.289, 147.728
Network
iscgemsup
Significance
569