M 4.5 earthquake – 42 km E of Skýros, Greece
·
Local time: Dec 20, 1981 · 12:58 (UTC+2)
LightShallow · 13 km
Reviewed by a seismologist
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- Magnitude
- 4.5body-wave magnitude (mb)
- Depth
- 13 kmShallow earthquake
- Epicenter
- 38.972, 25.049116 km from Chios
- Energy released
- 85 tons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 9M2.5+ within 30 km, up to 60 days
- Significance
- 312USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Dec 19, 1981.
How strong was it?
Light earthquake. It released 85 tons of TNT, 5.6 times less than a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
9 earthquakes of M2.5+ within 30 km in the 60 days after.
- 4.6 58 km W of Eresós, Greece Dec 21, 1981
- 4.5 49 km ENE of Skýros, Greece Dec 26, 1981
- 6.5 29 km E of Skýros, Greece Dec 27, 1981
- 4.6 36 km E of Skýros, Greece Dec 29, 1981
- 4.5 34 km E of Skýros, Greece Dec 31, 1981
- 4.8 23 km E of Skýros, Greece Jan 3, 1982
- 4.7 26 km E of Skýros, Greece Jan 5, 1982
- 4.5 28 km ESE of Skýros, Greece Jan 8, 1982
- 4.5 43 km E of Skýros, Greece Jan 13, 1982
The strongest earthquakes within 300 km
Since 1900, around Greece.
- 7.7 19 km SSE of Amorgós, Greece Jul 9, 1956
- 7.3 7 km N of Gönen, Turkey Mar 18, 1953
- 7.2 Aegean Sea Nov 8, 1905
- 7.2 25 km SE of Malkara, Turkey Aug 9, 1912
- 7.2 61 km W of Eresós, Greece Dec 19, 1981
- 7.2 9 km NNW of Karaburun, Turkey Jul 23, 1949
- 7.0 13 km NNE of Néon Karlovásion, Greece Oct 30, 2020
- 7.0 3 km ESE of Soma, Turkey Nov 18, 1919