M 7.9 earthquake – The 1905 Tsetserleg, Mongolia Earthquake
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Local time: Jul 9, 1905 · 16:48 (UTC+7:07)
MajorShallow · 15 km
Reviewed by a seismologist
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- Magnitude
- 7.9moment magnitude (mw)
- Depth
- 15 kmShallow earthquake
- Epicenter
- 49.709, 98.483121 km from Mörön
- Energy released
- 11 megatons of TNTabout 712 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 8.0max. instrumental (MMI)
- Aftershocks
- 4M2.5+ within 250 km, up to 60 days
- Significance
- 972USGS score, 0–1,000+
The strongest within 300 km on record
No earthquake this strong has been recorded this close since our catalog begins in 1900.
How strong was it?
Major earthquake. It released 11 megatons of TNT, 22,387 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
4 earthquakes of M2.5+ within 250 km in the 60 days after.
The strongest earthquakes within 300 km
Since 1900, around Mongolia.
- 8.3 The 1905 Bulnay (Bolnai), Mongolia Earthquake Jul 23, 1905
- 7.1 Western Mongolia Feb 1, 1903
- 6.9 33 km NE of Turt, Mongolia Apr 4, 1950
- 6.9 80 km ESE of Kungurtug, Russia Jul 11, 1905
- 6.9 76 km W of Mörön, Mongolia Jul 14, 1905
- 6.7 29 km SSW of Turt, Mongolia Jan 11, 2021
- 6.7 38 km NE of Saryg-Sep, Russia Feb 26, 2012
- 6.6 45 km NNE of Saryg-Sep, Russia Dec 27, 2011