Strong mag. 5.6 earthquake - Aegean Sea, 4.4 km east of Néa Anchialos, Magnesia, Thessaly, Greece, on Tuesday, May 21, 1957 at 13:24 (GMT)
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes here | Quakes in Greece | Thessaly | Central Greece | Central Macedonia | Attica
Strong magnitude 5.6 earthquake at 15 km depth
Depth: 15.0 km
Epicenter latitude / longitude: 39.271°N / 22.868°E (Aegean Sea, Greece)
Antipode: 39.271°S / 157.132°W
Nearest volcano: Volos-Atalanti (27 km / 17 mi)
Nearby towns and cities:
4 km (3 mi) ESE of Néa Anchialos (Nea Agchialos) (pop: 5,910) --> See nearby quakes!
12 km (7 mi) SSW of Volos (pop: 86,000) --> See nearby quakes!
13 km (8 mi) SSW of Nea Ionia (Magnesia) (pop: 32,700) --> See nearby quakes!
14 km (8 mi) NE of Almyros (Almiros) (pop: 7,960) --> See nearby quakes!
16 km (10 mi) SE of Velestino (pop: 3,040) --> See nearby quakes!
82 km (51 mi) E of Karditsa (pop: 32,800) --> See nearby quakes!
93 km (58 mi) N of Livadia (Levádhia) (pop: 21,500) --> See nearby quakes!
100 km (62 mi) ESE of Trikala (pop: 61,700) --> See nearby quakes!
153 km (95 mi) S of Thessaloniki (pop: 354,300) --> See nearby quakes!
161 km (100 mi) NNW of Athens (pop: 664,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 atomic bombs!) | about seismic energy
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (0 quake)
So far, no aftershocks have been registered.