QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem781391
USGS iscgem781391
19 Aug 1971, 23:15
162 km SSW of Severo-Kuril’sk, Russia
A magnitude 6.4 mw earthquake at 38.8 km depth.
Published location
Where is 162 km SSW of Severo-Kuril’sk, 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.
49.284000, 155.430000
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem781391
Coordinates
49.284, 155.43
Network
iscgem
Significance
620