M 4.6 earthquake – 15 km SSW of Langfang, China
·
Local time: Feb 12, 2018 · 18:31 (UTC+8)
LightShallow · 10 km
Reviewed by a seismologist
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- Magnitude
- 4.6body-wave magnitude (mb)
- Depth
- 10 kmShallow earthquake
- Epicenter
- 39.370, 116.65118 km from Langfang
- Energy released
- 120 tons of TNTless than one Hiroshima bomb
- Felt reports
- 58"Did You Feel It?" responses
- Shaking intensity
- 3.4max. reported (CDI)
- Aftershocks
- 0M2.5+ within 30 km
- Significance
- 345USGS score, 0–1,000+
The strongest here since 2013
The last earthquake at least as strong within 300 km struck on Jan 23, 2013.
How strong was it?
Light earthquake. It released 120 tons of TNT, 4 times less than 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.
- 7.5 17 km NE of Penguanzhuang, China Jul 27, 1976
- 7.4 6 km SW of Linxi, China Jul 28, 1976
- 6.9 106 km NW of Longgang, China Jul 18, 1969
- 6.8 34 km NW of Nangong, China Mar 22, 1966
- 6.5 40 km W of Nangong, China Mar 7, 1966
- 6.3 27 km SW of Changli, China Sep 23, 1945
- 6.3 5 km ENE of Gaojingzhuang, China Nov 15, 1976
- 6.2 35 km WNW of Nangong, China Mar 22, 1966