M 6.5 earthquake – 40 km W of Nangong, China
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Local time: Mar 8, 1966 · 05:29 (UTC+8)
StrongShallow · 24 km
Reviewed by a seismologist
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- Magnitude
- 6.5moment magnitude (mw)
- Depth
- 24 kmShallow earthquake
- Epicenter
- 37.308, 114.91942 km from Nangong
- Energy released
- 85 kilotons of TNTabout 5.7 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 7.3max. instrumental (MMI)
- Aftershocks
- 10M2.5+ within 37 km, up to 60 days
- Significance
- 650USGS score, 0–1,000+
The strongest here since 1937
The last earthquake at least as strong within 300 km struck on Aug 1, 1937.
How strong was it?
Strong earthquake. It released 85 kilotons of TNT, 178 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
10 earthquakes of M2.5+ within 37 km in the 60 days after.
- 5.2 38 km SW of Xinji, China Mar 8, 1966
- 5.8 42 km W of Nangong, China Mar 19, 1966
- 6.2 35 km WNW of Nangong, China Mar 22, 1966
- 6.8 34 km NW of Nangong, China Mar 22, 1966
- 5.6 19 km W of Nangong, China Mar 22, 1966
- 5.4 34 km SSW of Xinji, China Mar 22, 1966
- 5.2 33 km WNW of Nangong, China Mar 23, 1966
- 5.1 39 km NE of Xingtai, China Mar 28, 1966
- 6.1 29 km WNW of Nangong, China Mar 29, 1966
- 5.6 45 km W of Nangong, China Apr 20, 1966
The strongest earthquakes within 300 km
Since 1900, around China.
- 7.0 24 km W of Heze, China Jul 31, 1937
- 6.8 34 km NW of Nangong, China Mar 22, 1966
- 6.7 28 km W of Heze, China Aug 1, 1937
- 6.2 35 km WNW of Nangong, China Mar 22, 1966
- 6.1 28 km NW of Cangzhou, China Mar 27, 1967
- 6.1 29 km WNW of Nangong, China Mar 29, 1966
- 6.0 24 km S of Xinji, China Mar 26, 1966
- 6.0 24 km SSW of Xinji, China Mar 26, 1966