QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem911376
USGS iscgem911376
23 May 1923, 23:37
223 km E of Petropavlovsk-Kamchatsky, Russia
A magnitude 6.6 mw earthquake at 15 km depth.
Published location
Where is 223 km E of Petropavlovsk-Kamchatsky, 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.
53.277000, 161.949000
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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
iscgem911376
Coordinates
53.277, 161.949
Network
iscgem
Significance
676