M 7.9 earthquake – 58 km W of Tianpeng, China
·
Local time: May 12, 2008 · 14:28 (UTC+8)
MajorShallow · 19 km
Reviewed by a seismologist
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- Magnitude
- 7.9moment magnitude (mwc)
- Depth
- 19 kmShallow earthquake
- Epicenter
- 31.002, 103.32259 km from Tianpeng
- Energy released
- 11 megatons of TNTabout 712 × Hiroshima
- Felt reports
- 1,236"Did You Feel It?" responses
- Shaking intensity
- 9.1max. instrumental (MMI)
- Aftershocks
- 500M2.5+ within 250 km, up to 60 days
- Significance
- 1,870USGS score, 0–1,000+
The strongest within 300 km on record
No earthquake this strong has been recorded this close since our catalog begins in 1900.
How strong was it?
Major earthquake. It released 11 megatons of TNT, 22,387 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
500 earthquakes of M2.5+ within 250 km in the 60 days after.
- 5.2 23 km NNE of Jiangyou, China May 12, 2008
- 5.7 60 km NNW of Deyang, China May 12, 2008
- 5.7 13 km S of Mianyang, China May 12, 2008
- 5.8 32 km NW of Tianpeng, China May 12, 2008
- 5.4 21 km S of Mianyang, China May 12, 2008
- 5.3 55 km W of Guangyuan, China May 12, 2008
- 5.1 27 km NW of Jiangyou, China May 12, 2008
- 4.9 53 km NNW of Deyang, China May 12, 2008
- 5.1 58 km W of Guangyuan, China May 12, 2008
- 5.3 25 km NW of Tianpeng, China May 12, 2008
The strongest earthquakes within 300 km
Since 1900, around China.
- 7.4 203 km NW of Kangding, China Feb 6, 1973
- 7.4 101 km WNW of Jiangyou, China Aug 25, 1933
- 7.3 151 km W of Kangding, China May 25, 1948
- 7.1 19 km WSW of Kangding, China Apr 14, 1955
- 7.1 150 km WNW of Kangding, China Aug 30, 1904
- 7.0 184 km NW of Kangding, China Mar 24, 1923
- 6.9 121 km NNW of Jiangyou, China Aug 16, 1976
- 6.8 92 km SSW of Luocheng, China May 16, 1936