QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem16957865
USGS iscgem16957865

23 Jul 1905, 02:46

The 1905 Bulnay (Bolnai), Mongolia Earthquake

A magnitude 8.3 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated25 November 2024Latest timestamp stored in this record

Published location

Where is The 1905 Bulnay (Bolnai), Mongolia Earthquake?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

49.292000, 96.843000

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Map data © OpenStreetMap contributors

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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Nearby events with a similar magnitude

M 6.7

38 km NE of Saryg-Sep, Russia

M 6.6

45 km NNE of Saryg-Sep, Russia

M 6.42

73 km ESE of Khovd, Mongolia

M 6.19

126 km SE of Erzin, Russia

M 5.3

46 km W of Kungurtug, Russia

M 5.2

36 km NE of Saryg-Sep, Russia

Catalog fields and provenance
Event ID
iscgem16957865
Coordinates
49.292, 96.843
Network
iscgem
Significance
1068