QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000wja
USGS usp0000wja
15 Sept 1978, 03:36
99 km SSE of Kurchatov, Kazakhstan
A magnitude 6 mb earthquake at 0 km depth.
Published location
Where is 99 km SSE 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.
49.898000, 78.925000
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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
usp0000wja
Coordinates
49.898, 78.925
Network
us
Significance
554