Very strong mag. 6.1 earthquake - Aegean Sea, 65 km northwest of Castro, Chios, North Aegean, Greece, on Sunday, June 17, 1984 at 07:48 (GMT)

Very strong mag. 6.1 earthquake - Aegean Sea, 65 km northwest of Castro, Chios, North Aegean, Greece, on Sunday, June 17, 1984 at 07:48 (GMT)

Very strong magnitude 6.1 earthquake at 23 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Jun 17, 1984 07:48:02 UTC
Magnitude: 6.1
Depth: 22.5 km
Epicenter latitude / longitude: 38.859°N / 25.723°E (Aegean Sea, Greece)
Antipode: 38.859°S / 154.277°W
Nearest volcano: Sporades (151 km / 94 mi)
Nearby towns and cities:
39 km (24 mi) SSW of Eressos (pop: 1,040) --> See nearby quakes!
47 km (29 mi) WSW of Polichnitos (pop: 2,670) --> See nearby quakes!
65 km (41 mi) NW of Castro (pop: 24,000) --> See nearby quakes!
77 km (48 mi) WSW of Mytilene (Mitilini) (pop: 28,300) --> See nearby quakes!
78 km (48 mi) NW of Cesme (Çeşme, Turkey) (pop: 21,300) --> See nearby quakes!
92 km (57 mi) WNW of Foca (Turkey) (pop: 15,200) --> See nearby quakes!
98 km (61 mi) WSW of Ayvalik (Turkey) (pop: 70,000) --> See nearby quakes!
194 km (120 mi) ENE of Acharnes (pop: 99,300) --> See nearby quakes!
199 km (124 mi) ENE of Athens (pop: 664,000) --> See nearby quakes!
208 km (129 mi) ENE of Piraeus (pop: 163,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) More info
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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
6.123 kmAegean Sea (Greece)USGS
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 (40 quakes)

Date and timeMag
Depth
LocationDetails
Dec 13, 1984 15:40
37 years ago
3.2

10 km
Aegean Sea, 34 km E of Skyros Island, Euboea, Central GreeceMore
Nov 15, 1984 12:20
37 years ago
3.3

10 km
Aegean Sea, 83 km NW of Castro, Chios, North Aegean, GreeceMore
Nov 15, 1984 07:23
37 years ago
3.5

10 km
Aegean Sea, 83 km W of Lesvos Island, North Aegean, GreeceMore
Oct 28, 1984 05:01
37 years ago
3.3

10 km
Aegean Sea, 40 km E of Skyros Island, Euboea, Central GreeceMore
Oct 27, 1984 00:57
37 years ago
4.6

29 km
Aegean Sea, 93 km W of Lesvos Island, North Aegean, GreeceMore
Oct 24, 1984 09:58
37 years ago
3.5

31 km
Aegean Sea, 49 km SW of Lesvos Island, North Aegean, GreeceMore
Oct 21, 1984 09:26
37 years ago
3.2

10 km
Aegean Sea, 66 km N of Castro, Chios, North Aegean, GreeceMore
Oct 6, 1984 05:19
37 years ago
3.1

10 km
Aegean Sea, Turkey, 3.8 km SE of Nisida Vatos Island, GreeceMore
Oct 5, 1984 20:58
37 years ago
4.9

11 km
Aegean Sea, 82 km W of Lesvos Island, North Aegean, GreeceMore
Sep 22, 1984 15:54
37 years ago
3.2

10 km
Aegean Sea, 63 km NW of Castro, Chios, North Aegean, GreeceMore
Sep 9, 1984 08:59
37 years ago
3.5

10 km
Aegean Sea, 42 km SW of Mytilene, Lesvos, North Aegean, GreeceMore
Sep 5, 1984 01:57
37 years ago
3.8

10 km
Aegean Sea, 8.6 km N of Nisida Gkértis Island, Chios, North Aegean, GreeceMore
Sep 3, 1984 02:16
37 years ago
3.7

14 km
Aegean Sea, 4.2 km NE of Nisida Gkértis Island, Chios, North Aegean, GreeceMore
Sep 2, 1984 20:41
37 years ago
3.5

10.9 km
Aegean Sea, 38 km N of Castro, Chios, North Aegean, GreeceMore
Sep 2, 1984 20:22
37 years ago
3.7

10 km
Aegean Sea, 39 km N of Castro, Chios, North Aegean, GreeceMore
Aug 30, 1984 10:57
37 years ago
3.1

10 km
Aegean Sea, 53 km E of Skyros Island, Euboea, Central GreeceMore
Aug 27, 1984 18:06
37 years ago
3.2

10 km
Aegean Sea, 66 km NW of Castro, Chios, North Aegean, GreeceMore
Aug 27, 1984 03:32
37 years ago
3.3

10 km
Aegean Sea, 54 km N of Castro, Chios, North Aegean, GreeceMore
Aug 25, 1984 21:09
37 years ago
3.5

10.8 km
Aegean Sea, 29 km SW of Lesvos Island, North Aegean, GreeceMore
Aug 22, 1984 23:29
37 years ago
4.2

11 km
Aegean Sea, 53 km N of Castro, Chios, North Aegean, GreeceMore
Aug 18, 1984 15:30
37 years ago
3.5

10 km
Aegean Sea, 93 km W of Lesvos Island, North Aegean, GreeceMore
Aug 15, 1984 16:09
37 years ago
3.9

12 km
Aegean Sea, 64 km NW of Castro, Chios, North Aegean, GreeceMore
Aug 9, 1984 22:55
37 years ago
3.2

10 km
Aegean Sea, 36 km SW of Mytilene, Lesvos, North Aegean, GreeceMore
Aug 9, 1984 09:20
37 years ago
3.2

10 km
Aegean Sea, 35 km E of Skyros Island, Euboea, Central GreeceMore
Jul 24, 1984 01:34
37 years ago
4.3

9.8 km
Aegean Sea, 62 km NW of Castro, Chios, North Aegean, GreeceMore
Jul 22, 1984 07:56
37 years ago
4.1

12 km
Aegean Sea, 72 km NW of Castro, Chios, North Aegean, GreeceMore
Jul 1, 1984 09:51
37 years ago
3.2

10 km
Aegean Sea, 61 km NW of Castro, Chios, North Aegean, GreeceMore
Jun 27, 1984 11:51
37 years ago
3.7

10 km
Aegean Sea, 67 km NW of Castro, Chios, North Aegean, GreeceMore
Jun 27, 1984 11:27
37 years ago
3.4

10 km
Aegean Sea, 57 km NW of Castro, Chios, North Aegean, GreeceMore
Jun 27, 1984 06:04
37 years ago
3.0

10 km
Aegean Sea, 69 km NW of Castro, Chios, North Aegean, GreeceMore
Jun 27, 1984 02:30
37 years ago
3.0

10 km
Aegean Sea, 64 km N of Castro, Chios, North Aegean, GreeceMore
Jun 26, 1984 19:48
37 years ago
4.6

16 km
Aegean Sea, 66 km NW of Castro, Chios, North Aegean, GreeceMore
Jun 25, 1984 02:15
37 years ago
3.0

10 km
Aegean Sea, 65 km NW of Castro, Chios, North Aegean, GreeceMore
Jun 18, 1984 19:01
37 years ago
3.3

10 km
Aegean Sea, 62 km NW of Castro, Chios, North Aegean, GreeceMore
Jun 18, 1984 01:12
37 years ago
3.8

10 km
Aegean Sea, 68 km NW of Castro, Chios, North Aegean, GreeceMore
Jun 17, 1984 21:32
37 years ago
3.4

10 km
Aegean Sea, 48 km SW of Lesvos Island, North Aegean, GreeceMore
Jun 17, 1984 12:06
37 years ago
3.3

10 km
Aegean Sea, 45 km SW of Lesvos Island, North Aegean, GreeceMore
Jun 17, 1984 09:04
37 years ago
3.3

16 km
Aegean Sea, 48 km SW of Lesvos Island, North Aegean, GreeceMore
Jun 17, 1984 08:33
37 years ago
3.2

10 km
Aegean Sea, 62 km N of Castro, Chios, North Aegean, GreeceMore
Jun 17, 1984 07:52
37 years ago
4.2

12 km
Aegean Sea, 65 km NW of Castro, Chios, North Aegean, GreeceMore

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