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Very strong mag. 6.4 earthquake - 19 km west of Preveza, Nomos Prevézis, Epirus, Greece, on Wednesday, June 30, 1948 at 12:21 GMT

Very strong magnitude 6.4 earthquake at 15 km depth

Earthquake details

Date & time	Jun 30, 1948 12:21:18 UTC
Local time at epicenter
Status	Confirmed
Magnitude	6.4
Depth	15.0 km
Epicenter latitude / longitude	38.992°N / 20.532°E (Ionian Sea, Greece)
Antipode	38.992°S / 159.468°W
Shaking intensity	Strong shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Volos-Atalanti (196 km / 122 mi)
Nearby towns and cities	19 km (12 mi) W of Preveza (Préveza) (pop: 17,300) \| Show on map \| Quakes nearby 23 km (15 mi) NW of Lefkada (pop: 8,670) \| Show on map \| Quakes nearby 28 km (17 mi) SSW of Kanalaki (pop: 2,450) \| Show on map \| Quakes nearby 32 km (20 mi) WNW of Vonitsa (pop: 4,700) \| Show on map \| Quakes nearby 38 km (24 mi) SW of Philippiada (pop: 4,620) \| Show on map \| Quakes nearby 43 km (27 mi) WSW of Arta (pop: 21,900) \| Show on map \| Quakes nearby 86 km (54 mi) WNW of Agrinio (pop: 46,900) \| Show on map \| Quakes nearby 88 km (55 mi) SE of Corfu (Kerkira) (pop: 27,000) \| Show on map \| Quakes nearby 134 km (83 mi) NW of Patras (pop: 168,000) \| Show on map \| Quakes nearby 300 km (186 mi) WNW of Athens (pop: 664,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	2.5 x 10¹⁴ joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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
6.4	15 km	Greece	USGS

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

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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.

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