M 6.4 earthquake – 73 km ESE of Khovd, Mongolia
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Local time: Dec 17, 1938 · 22:35 (UTC+6)
StrongShallow · 10 km
Reviewed by a seismologist
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- Magnitude
- 6.4moment magnitude (mw)
- Depth
- 10 kmShallow earthquake
- Epicenter
- 47.738, 92.53573 km from Khovd
- Energy released
- 60 kilotons of TNTabout 4 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 7.3max. instrumental (MMI)
- Aftershocks
- 0M2.5+ within 33 km
- Significance
- 634USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Oct 19, 1938.
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.
The strongest earthquakes within 300 km
Since 1900, around Mongolia.
- 7.9 172 km SE of Altay, China Aug 10, 1931
- 7.3 148 km ESE of Altay, China Aug 18, 1931
- 7.0 21 km NW of Ölgii, Mongolia Oct 19, 1938
- 6.7 42 km SE of Mugur-Aksy, Russia Aug 25, 1922
- 6.4 95 km NW of Altai, Mongolia Sep 14, 1923
- 6.4 146 km SE of Altay, China Nov 5, 1931
- 6.4 247 km SSW of Khovd, Mongolia Feb 13, 1933
- 6.3 54 km ESE of Mugur-Aksy, Russia May 15, 1970