QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem884607
USGS iscgem884607
23 Jun 1958, 06:10
45 km W of Bulgan, Mongolia
A magnitude 6.1 mw earthquake at 15 km depth.
Published location
Where is 45 km W of Bulgan, Mongolia?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
48.739000, 102.930000
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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
iscgem884607
Coordinates
48.739, 102.93
Network
iscgem
Significance
569