QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0002aft
USGS usp0002aft
28 Dec 1984, 03:50
100 km S of Kurchatov, Kazakhstan
A magnitude 6 mb earthquake at 0 km depth.
Published location
Where is 100 km S of Kurchatov, Kazakhstan?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
49.861000, 78.752000
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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
usp0002aft
Coordinates
49.861, 78.752
Network
us
Significance
554