M 8.3 earthquake – 48 km W of Illapel, Chile
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Local time: Sep 16, 2015 · 19:54 (UTC-3)
GreatShallow · 22 kmPAGER orangeTsunami information issued
Reviewed by a seismologist
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- Magnitude
- 8.3moment magnitude (mww)
- Depth
- 22 kmShallow earthquake
- Epicenter
- -31.573, -71.67441 km from Los Vilos
- Energy released
- 43 megatons of TNTabout 2,833 × Hiroshima
- Felt reports
- 1,216"Did You Feel It?" responses
- Shaking intensity
- 8.2max. instrumental (MMI)
- Aftershocks
- 500M2.5+ within 430 km, up to 60 days
- Significance
- 1,960USGS 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?
Great earthquake. It released 43 megatons of TNT, 89,125 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 430 km in the 60 days after.
- 6.4 54 km W of Illapel, Chile Sep 16, 2015
- 6.1 55 km WSW of Illapel, Chile Sep 16, 2015
- 5.6 59 km SSW of Ovalle, Chile Sep 16, 2015
- 5.7 48 km W of Illapel, Chile Sep 16, 2015
- 5.2 33 km SSE of Coquimbo, Chile Sep 16, 2015
- 6.1 71 km W of Illapel, Chile Sep 16, 2015
- 7.0 25 km WNW of Illapel, Chile Sep 16, 2015
- 5.7 77 km NW of Illapel, Chile Sep 16, 2015
- 5.5 59 km WSW of Ovalle, Chile Sep 16, 2015
- 5.1 70 km SW of Ovalle, Chile Sep 16, 2015
The strongest earthquakes within 300 km
Since 1900, around Chile.
- 8.2 The 1906 Valparaiso, Chile Earthquake Aug 17, 1906
- 8.1 45 km NNW of Illapel, Chile Apr 6, 1943
- 8.0 25 km WSW of Valparaíso, Chile Mar 3, 1985
- 7.8 19 km NNE of Hacienda La Calera, Chile Jul 9, 1971
- 7.4 19 km S of Valparaíso, Chile Mar 4, 1985
- 7.4 7 km SSE of La Ligua, Chile Mar 28, 1965
- 7.2 59 km S of San Antonio, Chile Apr 9, 1985
- 7.2 135 km W of Valparaíso, Chile Oct 16, 1981
In the week before
Earthquakes within 430 km in the 7 days before this one: possible foreshocks.