M 5.4 earthquake – 15 km ENE of Astypálaia, Greece
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Local time: Jul 22, 1956 · 05:29 (UTC+2)
ModerateShallow · 15 km
Reviewed by a seismologist
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- Magnitude
- 5.4moment magnitude (mw)
- Depth
- 15 kmShallow earthquake
- Epicenter
- 36.617, 26.49777 km from Kos
- Energy released
- 1.9 kilotons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 30 km
- Significance
- 444USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Jul 10, 1956.
How strong was it?
Moderate earthquake. It released 1.9 kilotons of TNT, 4 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 34 km S of Sarigerme, Turkey Apr 25, 1957
- 7.3 15 km NNW of Karpathos, Greece Feb 9, 1948
- 7.2 9 km NNW of Karaburun, Turkey Jul 23, 1949
- 7.1 27 km SSE of Sarigerme, Turkey Apr 24, 1957
- 7.0 13 km NNE of Néon Karlovásion, Greece Oct 30, 2020
- 7.0 5 km NNW of Kéfalos, Greece Jun 26, 1926
- 6.8 10 km WSW of Kula, Turkey Mar 28, 1969