M 6.3 earthquake – 3 km SE of Sassa, Italy
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Local time: Apr 6, 2009 · 03:32 (UTC+2)
StrongShallow · 8.8 km
Reviewed by a seismologist
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- Magnitude
- 6.3moment magnitude (mwc)
- Depth
- 8.8 kmShallow earthquake
- Epicenter
- 42.334, 13.3346.0 km from L'Aquila
- Energy released
- 43 kilotons of TNTabout 2.8 × Hiroshima
- Felt reports
- 837"Did You Feel It?" responses
- Shaking intensity
- 7.8max. instrumental (MMI)
- Aftershocks
- 32M2.5+ within 30 km, up to 60 days
- Significance
- 1,272USGS score, 0–1,000+
The strongest here since 1980
The last earthquake at least as strong within 300 km struck on Nov 23, 1980.
How strong was it?
Strong earthquake. It released 43 kilotons of TNT, 89 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
32 earthquakes of M2.5+ within 30 km in the 60 days after.
- 4.8 5 km NW of Scoppito, Italy Apr 6, 2009
- 4.2 0 km N of Coppito, Italy Apr 6, 2009
- 4.9 0 km WSW of Coppito, Italy Apr 6, 2009
- 4.4 1 km SSW of L'Aquila, Italy Apr 6, 2009
- 4.0 1 km S of Coppito, Italy Apr 6, 2009
- 4.3 2 km SE of Coppito, Italy Apr 6, 2009
- 4.3 1 km SW of Coppito, Italy Apr 6, 2009
- 4.1 2 km N of Progetto Case Coppito 3, Italy Apr 6, 2009
- 4.1 0 km WSW of Sassa, Italy Apr 6, 2009
- 5.1 5 km ENE of Pizzoli, Italy Apr 6, 2009
The strongest earthquakes within 300 km
Since 1900, around Italy.
- 6.9 2 km N of Cairano, Italy Nov 23, 1980
- 6.7 4 km WNW of San Benedetto dei Marsi, Italy Jan 13, 1915
- 6.6 3 km SSW of Bisaccia Nuova, Italy Jul 23, 1930
- 6.6 5 km ESE of Preci, Italy Oct 30, 2016
- 6.2 1 km NNW of Vicchio, Italy Jun 29, 1919
- 6.2 5 km WNW of Accumoli, Italy Aug 24, 2016
- 6.2 3 km SW of Montecalvo Irpino, Italy Aug 21, 1962
- 6.1 2 km NNW of Visso, Italy Oct 26, 2016
In the week before
Earthquakes within 30 km in the 7 days before this one: possible foreshocks.