M 6.1 earthquake – 71 km NW of Hovd, Mongolia
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Local time: Dec 4, 1957 · 20:20 (UTC+7)
StrongShallow · 15 km
Reviewed by a seismologist
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- Magnitude
- 6.1moment magnitude (mw)
- Depth
- 15 kmShallow earthquake
- Epicenter
- 45.052, 101.44672 km from Bogd
- Energy released
- 21 kilotons of TNTabout 1.4 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 7.2max. instrumental (MMI)
- Aftershocks
- 0M2.5+ within 30 km
- Significance
- 567USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Dec 4, 1957.
How strong was it?
Strong earthquake. It released 21 kilotons of TNT, 45 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
The strongest earthquakes within 300 km
Since 1900, around Mongolia.
- 8.1 1957 Gobi-Altay, Mongolia Earthquake Dec 4, 1957
- 6.9 central Mongolia Apr 7, 1958
- 6.3 134 km SW of Hovd, Mongolia Apr 30, 1915
- 6.2 140 km SSW of Bayanhongor, Mongolia Feb 24, 1958
- 6.1 142 km WSW of Bayanhongor, Mongolia Feb 25, 1950
- 5.8 127 km N of Dalandzadgad, Mongolia Dec 8, 1957
- 5.7 24 km SE of Hovd, Mongolia Apr 30, 2006
- 5.7 75 km SE of Kharkhorin, Mongolia Apr 23, 1963