QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem883943
USGS iscgem883943
3 Mar 1958, 16:18
264 km ESE of Ust’-Kamchatsk Staryy, Russia
A magnitude 6 mw earthquake at 20 km depth.
Published location
Where is 264 km ESE of Ust’-Kamchatsk Staryy, 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.
55.419000, 166.449000
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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
iscgem883943
Coordinates
55.419, 166.449
Network
iscgem
Significance
561