QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem839966
USGS iscgem839966
20 Jan 1967, 01:57
89 km SSW of Bulgan, Mongolia
A magnitude 6.4 mw earthquake at 21.8 km depth.
Published location
Where is 89 km SSW 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.
48.094000, 102.988000
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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
iscgem839966
Coordinates
48.094, 102.988
Network
iscgem
Significance
630