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Major magnitude 6.5 earthquake - 1.1 km south of Kokkina, Magnesia, Thessaly, Greece, on Friday, March 8, 1957 at 12:14 GMT

Major magnitude 6.5 earthquake at 10 km depth

Earthquake details

Date & time	Mar 8, 1957 12:14:17 UTC
Local time at epicenter
Status	Confirmed
Magnitude	6.5
Depth	10.0 km
Epicenter latitude / longitude	39.323°N / 22.701°E (Magnesia, Thessaly, Greece)
Antipode	39.323°S / 157.299°W
Shaking intensity	Very strong shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Volos-Atalanti (33 km / 21 mi)
Nearby towns and cities	8 km (5 mi) SSW of Velestino (pop: 3,040) \| Show on map \| Quakes nearby 11 km (7 mi) WNW of Néa Anchialos (Nea Agchialos) (pop: 5,910) \| Show on map \| Quakes nearby 16 km (10 mi) NNW of Almyros (Almiros) (pop: 7,960) \| Show on map \| Quakes nearby 20 km (13 mi) WSW of Nea Ionia (Magnesia) (pop: 32,700) \| Show on map \| Quakes nearby 21 km (13 mi) WSW of Volos (Thessalien) (pop: 86,000) \| Show on map \| Quakes nearby 43 km (26 mi) SE of Larisa (Thessalie) (pop: 144,700) \| Show on map \| Quakes nearby 67 km (42 mi) E of Karditsa (pop: 32,800) \| Show on map \| Quakes nearby 84 km (52 mi) ESE of Trikala (Thessalien) (pop: 61,700) \| Show on map \| Quakes nearby 148 km (92 mi) S of Thessaloniki (Central Macedonia) (pop: 354,300) \| Show on map \| Quakes nearby 174 km (108 mi) NNW of Athens (Attica) (pop: 664,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	3.5 x 10¹⁴ joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) \| about seismic energy

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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.

Mag.	Depth	Location	Source
6.5	10 km	Greece	USGS

Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

Most recent quakes Top 20 past 24 hrs Quakes in Greece

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

Aftershocks

[More info]

Recorded aftershocks, latest first (5 quakes)

Date and time	Mag Depth	Location	Details
May 21, 1957 13:24 66 years ago	5.6 15 km	Nisida Psathi, 4.4 km E of Néa Anchialos, Magnesia, Thessaly, Greece	More
Mar 28, 1957 22:26 66 years ago	5.5 15 km	6.4 km NW of Almyros, Magnesia, Thessaly, Greece	More
Mar 8, 1957 23:35 66 years ago	6.0 15 km	5.1 km NW of Almyros, Magnesia, Thessaly, Greece	More
Mar 8, 1957 20:38 66 years ago	5.5 15 km	8.1 km W of Almyros, Magnesia, Thessaly, Greece	More
Mar 8, 1957 12:21 66 years ago	6.4 10 km	Magnesia, 15 km SE of Farsala, Nomos Larisis, Thessaly, Greece	More

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