M 5.5 earthquake – 32 km WNW of Hutang, China
·
Local time: Apr 22, 1974 · 08:29 (UTC+8)
ModerateShallow · 33 km
Reviewed by a seismologist
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- Magnitude
- 5.5surface-wave magnitude (ms)
- Depth
- 33 kmShallow earthquake
- Epicenter
- 31.649, 119.17133 km from Hutang
- Energy released
- 2.7 kilotons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 6.4max. instrumental (MMI)
- Aftershocks
- 0M2.5+ within 30 km
- Significance
- 465USGS score, 0–1,000+
The strongest here since 1927
The last earthquake at least as strong within 300 km struck on Feb 3, 1927.
How strong was it?
Moderate earthquake. It released 2.7 kilotons of TNT, 5.6 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 China.
- 6.6 89 km E of Dazhong, China Feb 3, 1927
- 6.6 20 km WNW of Zhicheng, China Dec 1, 1921
- 6.4 102 km E of Dazhong, China Feb 3, 1927
- 6.0 51 km NE of Juegang, China May 21, 1984
- 5.5 53 km NE of Juegang, China May 21, 1984
- 5.5 23 km W of Licheng, China Jul 9, 1979
- 5.5 50 km ESE of Shanghai, China Dec 30, 1971
- 5.2 53 km E of Dongtai, China Apr 21, 1982