Strong mag. 5.5 earthquake - 42 km northwest of Athens, Nomarchia Athinas, Attica, Greece, on Saturday, March 7, 1981 at 11:34 (GMT)

Strong mag. 5.5 earthquake - 42 km northwest of Athens, Nomarchia Athinas, Attica, Greece, on Saturday, March 7, 1981 at 11:34 (GMT)

Strong magnitude 5.5 earthquake at 33 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Mar 7, 1981 11:34:44 UTC
Magnitude: 5.5
Depth: 33.0 km
Epicenter latitude / longitude: 38.187°N / 23.32°E (Attica, Attica, Greece)
Antipode: 38.187°S / 156.68°W
Nearest volcano: Sousaki (34 km / 21 mi)
Nearby towns and cities:
3 km (2 mi) S of Erythres (pop: 2,860) --> See nearby quakes!
36 km (23 mi) NW of Keratsini (Attika) (pop: 77,100) --> See nearby quakes!
36 km (23 mi) NW of Korydallos (pop: 63,400) --> See nearby quakes!
38 km (23 mi) WNW of Peristeri (pop: 140,000) --> See nearby quakes!
38 km (24 mi) NW of Nikaia (pop: 89,400) --> See nearby quakes!
38 km (24 mi) WNW of Acharnes (pop: 99,300) --> See nearby quakes!
39 km (25 mi) NW of Piraeus (pop: 163,700) --> See nearby quakes!
42 km (26 mi) WNW of Athens (pop: 664,000) --> See nearby quakes!
42 km (26 mi) NW of Kallithea (pop: 100,600) --> See nearby quakes!
139 km (86 mi) E of Patras (West Greece) (pop: 168,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 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.DepthLocationSource
5.533 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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Aftershocks

[More info]

Recorded aftershocks, latest first (61 quakes)

Date and timeMag
Depth
LocationDetails
May 4, 1981 01:58
41 years ago
3.6

10 km
Nomos Voiotias, Central Greece, 48 km NW of Athens, GreeceMore
May 3, 1981 12:40
41 years ago
3.4

10 km
Makronisi, Central Greece, 33 km NE of Corinto, Corinthia, Peloponnese, GreeceMore
Apr 25, 1981 21:59
41 years ago
3.9

22 km
45 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Apr 24, 1981 11:32
41 years ago
3.5

10.9 km
7.4 km SW of Thebes, Nomos Voiotias, Central GreeceMore
Apr 20, 1981 18:10
41 years ago
3.1

33 km
Nomarchia Anatolikis Attikis, 27 km N of Athens, GreeceMore
Apr 18, 1981 08:07
41 years ago
4.2

30 km
Ionian Sea, 10.5 km E of Makronisi Island, Central GreeceMore
Apr 13, 1981 10:56
41 years ago
3.5

33 km
46 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Apr 13, 1981 08:11
41 years ago
4.5

13 km
Nomos Voiotias, Central Greece, 31 km N of Athens, GreeceMore
Apr 10, 1981 13:23
41 years ago
3.2

10 km
Nomos Voiotias, Central Greece, 36 km NW of Athens, GreeceMore
Apr 8, 1981 01:45
41 years ago
3.2

10 km
Attica, 15 km S of Thebes, Nomos Voiotias, Central GreeceMore
Apr 8, 1981 01:26
41 years ago
3.5

10 km
Nomos Voiotias, Central Greece, 43 km NW of Athens, GreeceMore
Apr 2, 1981 00:47
41 years ago
3.2

10 km
Nomos Voiotias, 19 km SW of Chalcis, Euboea, Central GreeceMore
Apr 1, 1981 06:13
41 years ago
3.3

19 km
Nomos Voiotias, Central Greece, 35 km NW of Athens, GreeceMore
Mar 31, 1981 23:20
41 years ago
4.0

33 km
Nomos Voiotias, 16 km SW of Chalcis, Euboea, Central GreeceMore
Mar 29, 1981 22:59
41 years ago
3.8

33 km
44 km W of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 26, 1981 14:40
41 years ago
4.3

33 km
Ionian Sea, 12 km E of Makronisi Island, Central GreeceMore
Mar 25, 1981 18:41
41 years ago
3.8

33 km
Nomos Voiotias, Central Greece, 45 km NW of Athens, GreeceMore
Mar 25, 1981 13:54
41 years ago
3.3

33 km
37 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 25, 1981 09:06
41 years ago
3.1

10 km
3.9 km S of Thebes, Nomos Voiotias, Central GreeceMore
Mar 23, 1981 11:13
41 years ago
3.5

33 km
35 km W of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 22, 1981 10:47
41 years ago
3.5

33 km
Nomos Voiotias, Central Greece, 49 km NW of Athens, GreeceMore
Mar 21, 1981 11:55
41 years ago
3.6

19 km
14 km SW of Thebes, Nomos Voiotias, Central GreeceMore
Mar 19, 1981 23:18
41 years ago
3.7

33 km
31 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 19, 1981 15:18
41 years ago
4.0

33 km
35 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 18, 1981 16:55
41 years ago
4.3

30 km
Nomos Voiotias, Central Greece, 49 km NW of Athens, GreeceMore
Mar 18, 1981 08:29
41 years ago
3.6

23 km
Nomos Voiotias, 45 km SW of Chalcis, Euboea, Central GreeceMore
Mar 18, 1981 04:43
41 years ago
3.6

33 km
Nomos Voiotias, Central Greece, 45 km NW of Athens, GreeceMore
Mar 18, 1981 01:55
41 years ago
3.1

33 km
39 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 17, 1981 21:52
41 years ago
3.7

33 km
39 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 17, 1981 20:24
41 years ago
3.9

33 km
Nomos Voiotias, Central Greece, 39 km NW of Athens, GreeceMore
Mar 17, 1981 02:49
41 years ago
3.4

33 km
Nomos Voiotias, Central Greece, 34 km N of Athens, GreeceMore
Mar 17, 1981 00:12
41 years ago
3.5

27 km
46 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 16, 1981 18:51
41 years ago
3.7

7.5 km
1.9 km E of Thebes, Nomos Voiotias, Central GreeceMore
Mar 16, 1981 01:52
41 years ago
4.5

33 km
Ionian Sea, 53 km W of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 15, 1981 13:47
41 years ago
3.6

33 km
Nisida Plateia, 12 km E of Corinto, Corinthia, Peloponnese, GreeceMore
Mar 14, 1981 00:33
41 years ago
3.5

33 km
Nomos Voiotias, Central Greece, 31 km NW of Athens, GreeceMore
Mar 12, 1981 22:31
41 years ago
3.7

33 km
43 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 12, 1981 01:49
41 years ago
4.9

33 km
46 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 11, 1981 07:34
41 years ago
4.3

36 km
37 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 11, 1981 03:40
41 years ago
3.9

23 km
Ionian Sea, 8.3 km E of Nisida Daskalio Island, Peloponnese, GreeceMore
Mar 11, 1981 00:14
41 years ago
3.9

10 km
11 km SW of Thebes, Nomos Voiotias, Central GreeceMore
Mar 10, 1981 20:49
41 years ago
3.2

10 km
8.8 km SE of Thebes, Nomos Voiotias, Central GreeceMore
Mar 10, 1981 17:07
41 years ago
3.5

16 km
Nomos Voiotias, Central Greece, 35 km N of Athens, GreeceMore
Mar 10, 1981 14:46
41 years ago
3.7

25 km
Ionian Sea, 6.3 km SE of Nisida Daskalio Island, Peloponnese, GreeceMore
Mar 10, 1981 03:06
41 years ago
4.0

13 km
Nisida Daskalio, 14 km NE of Corinto, Corinthia, Peloponnese, GreeceMore
Mar 10, 1981 01:49
41 years ago
4.1

10.9 km
Ionian Sea, 15 km E of Makronisi Island, Central GreeceMore
Mar 9, 1981 20:25
41 years ago
3.7

20 km
5.9 km NW of Thebes, Nomos Voiotias, Central GreeceMore
Mar 9, 1981 19:22
41 years ago
3.8

23 km
Nomos Voiotias, Central Greece, 47 km NW of Athens, GreeceMore
Mar 9, 1981 17:53
41 years ago
3.6

32 km
42 km W of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 9, 1981 07:00
41 years ago
4.0

10 km
45 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 8, 1981 22:36
41 years ago
3.1

9.3 km
Nomos Voiotias, 25 km SW of Chalcis, Euboea, Central GreeceMore
Mar 8, 1981 16:25
41 years ago
3.9

10 km
Nomos Voiotias, Central Greece, 46 km NW of Athens, GreeceMore
Mar 8, 1981 12:17
41 years ago
3.4

10 km
Nomos Voiotias, 22 km SW of Chalcis, Euboea, Central GreeceMore
Mar 8, 1981 04:41
41 years ago
3.3

10.2 km
Nomos Voiotias, 21 km SW of Chalcis, Euboea, Central GreeceMore
Mar 8, 1981 02:31
41 years ago
3.9

10 km
2.8 km S of Thebes, Nomos Voiotias, Central GreeceMore
Mar 8, 1981 02:18
41 years ago
4.1

13 km
Ionian Sea, 9.9 km E of Makronisi Island, Central GreeceMore
Mar 7, 1981 20:12
41 years ago
4.1

9.3 km
Nomos Voiotias, Central Greece, 46 km NW of Athens, GreeceMore
Mar 7, 1981 16:54
41 years ago
4.1

16 km
Nomos Voiotias, Central Greece, 47 km NW of Athens, GreeceMore
Mar 7, 1981 15:49
41 years ago
3.4

10 km
7.4 km S of Thebes, Nomos Voiotias, Central GreeceMore
Mar 7, 1981 11:51
41 years ago
4.4

29 km
44 km NW of Athens, Nomarchia Athinas, Attica, GreeceMore
Mar 7, 1981 11:48
41 years ago
3.6

16 km
Nomos Voiotias, Central Greece, 41 km NW of Athens, GreeceMore
Show all

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