QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00002dx
USGS usp00002dx
26 Jun 1973, 23:32
70 km S of Shikotan, Russia
A magnitude 6.6 ms earthquake at 50 km depth.
Published location
Where is 70 km S 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.
43.175000, 146.560000
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
usp00002dx
Coordinates
43.175, 146.56
Network
us
Significance
670