QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0003fmx
USGS usp0003fmx
4 May 1988, 01:57
93 km S of Kurchatov, Kazakhstan
A magnitude 6.1 mb earthquake at 0 km depth.
Published location
Where is 93 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.
49.928000, 78.769000
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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
usp0003fmx
Coordinates
49.928, 78.769
Network
us
Significance
572