Strong mag. 5.8 earthquake - Ionian Sea, 38 km east of Patras, Achaea, Grece-Occidentale, Greece, on Thursday, March 18, 1993 at 15:47 (GMT)

Strong mag. 5.8 earthquake - Ionian Sea, 38 km east of Patras, Achaea, Grece-Occidentale, Greece, on Thursday, March 18, 1993 at 15:47 (GMT)

Strong magnitude 5.8 earthquake at 59 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Mar 18, 1993 15:47:00 UTC
Magnitude: 5.8
Depth: 59.2 km
Epicenter latitude / longitude: 38.34°N / 22.155°E (Ionian Sea, Greece)
Antipode: 38.34°S / 157.845°W
Nearest volcano: Sousaki (93 km / 58 mi)
Nearby towns and cities:
12 km (7 mi) NNE of Aigio (pop: 20,400) --> See nearby quakes!
29 km (18 mi) E of Nafpaktos (pop: 13,400) --> See nearby quakes!
38 km (24 mi) ENE of Patras (pop: 168,000) --> See nearby quakes!
64 km (40 mi) W of Livadia (Levádhia) (pop: 21,500) --> See nearby quakes!
72 km (45 mi) ESE of Agrinio (pop: 46,900) --> See nearby quakes!
83 km (51 mi) WNW of Corinto (pop: 30,200) --> See nearby quakes!
94 km (58 mi) NNW of Argos (pop: 22,200) --> See nearby quakes!
95 km (59 mi) NNW of Tripoli (pop: 26,600) --> See nearby quakes!
97 km (60 mi) NE of Pyrgos (Pirgos) (pop: 22,400) --> See nearby quakes!
143 km (89 mi) WNW of Athens (pop: 664,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.2 x 1013 joules (8.78 gigawatt hours, equivalent to 7558 tons of TNT or 0.5 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.
5.859 kmGreeceUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

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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Recorded aftershocks, latest first (8 quakes)

Date and timeMag
May 13, 1993 21:33
29 years ago

10 km
Ionian Sea, 34 km E of Patras, Achaea, Grece-Occidentale, GreeceMore
May 12, 1993 21:15
29 years ago

10 km
Phocis, Central Greece, 32 km NE of Patras, Achaea, Grece-Occidentale, GreeceMore
May 2, 1993 16:09
29 years ago

10 km
Nisida Prasoudi, Central Greece, 24 km NE of Aigio, GreeceMore
Apr 22, 1993 21:33
29 years ago

10 km
Nisida Panagia, Central Greece, 27 km NE of Aigio, GreeceMore
Apr 10, 1993 19:45
29 years ago

10 km
Nisida Prasoudi, Central Greece, 20 km N of Aigio, GreeceMore
Apr 7, 1993 05:03
29 years ago

10 km
Apr 5, 1993 15:24
29 years ago

10 km
Ionian Sea, 6.5 km SW of Nisida Agios Georgios Island, Central GreeceMore
Mar 25, 1993 15:47
29 years ago

10 km
Nisida Prasoudi, Central Greece, 28 km NE of Patras, GreeceMore

Earlier earthquakes in the same area

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