M 6.4 earthquake – 64 km NE of Kungurtug, Russia
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Local time: Dec 27, 1991 · 17:09 (UTC+8)
StrongShallow · 14 km
Reviewed by a seismologist
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- Magnitude
- 6.4moment magnitude (mw)
- Depth
- 14 kmShallow earthquake
- Epicenter
- 51.019, 98.150210 km from Mörön
- Energy released
- 60 kilotons of TNTabout 4 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 7.1max. instrumental (MMI)
- Aftershocks
- 9M2.5+ within 33 km, up to 60 days
- Significance
- 630USGS score, 0–1,000+
The strongest here since 1950
The last earthquake at least as strong within 300 km struck on Apr 4, 1950.
How strong was it?
Strong earthquake. It released 60 kilotons of TNT, 126 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
9 earthquakes of M2.5+ within 33 km in the 60 days after.
- 4.6 65 km NE of Kungurtug, Russia Dec 28, 1991
- 5.0 66 km NE of Kungurtug, Russia Dec 28, 1991
- 4.5 60 km NE of Kungurtug, Russia Dec 28, 1991
- 4.7 87 km NE of Kungurtug, Russia Jan 2, 1992
- 4.7 88 km NE of Kungurtug, Russia Jan 2, 1992
- 4.6 53 km NNE of Kungurtug, Russia Jan 2, 1992
- 4.5 61 km NE of Kungurtug, Russia Jan 4, 1992
- 4.6 65 km NE of Kungurtug, Russia Jan 4, 1992
- 4.7 87 km NE of Kungurtug, Russia Jan 12, 1992
The strongest earthquakes within 300 km
Since 1900, around Mongolia.
- 8.3 The 1905 Bulnay (Bolnai), Mongolia Earthquake Jul 23, 1905
- 7.9 The 1905 Tsetserleg, Mongolia Earthquake Jul 9, 1905
- 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