QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00033vd
USGS usp00033vd
3 Apr 1987, 02:17
94 km SSE of Kurchatov, Kazakhstan
A magnitude 6.2 mb earthquake at 0 km depth.
Published location
Where is 94 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.
49.928000, 78.829000
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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
usp00033vd
Coordinates
49.928, 78.829
Network
us
Significance
591