M 7.9 earthquake – Southern Greece
·
Local time: Aug 11, 1903 · 06:08 (UTC+1:34)
MajorIntermediate · 80 km
Reviewed by a seismologist
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- Magnitude
- 7.9surface-wave magnitude (ms)
- Depth
- 80 kmIntermediate earthquake
- Epicenter
- 36.000, 23.000108 km from Chaniá
- Energy released
- 11 megatons of TNTabout 712 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 250 km
- Significance
- 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?
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.
The strongest earthquakes within 300 km
Since 1900, around Greece.
- 7.7 19 km SSE of Amorgós, Greece Jul 9, 1956
- 7.3 4 km WNW of Koróni, Greece Oct 6, 1947
- 6.9 35 km S of Methóni, Greece Feb 14, 2008
- 6.8 32 km SW of Lithakiá, Greece Oct 25, 2018
- 6.8 6 km SW of Galaxídhion, Greece Mar 31, 1965
- 6.7 Ionian Sea Nov 15, 1959
- 6.7 26 km NE of Kýthira, Greece Jan 8, 2006
- 6.7 5 km SW of Domvraína, Greece Feb 24, 1981