QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00003ya
USGS usp00003ya
27 Oct 1973, 07:59
Novaya Zemlya, Russia
A magnitude 6.9 mb earthquake at 0 km depth.
Published location
Where is Novaya Zemlya, 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.
70.779000, 54.177000
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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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Catalog fields and provenance
Event ID
usp00003ya
Coordinates
70.779, 54.177
Network
us
Significance
732