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Major magnitude 6.9 earthquake - 120 km east of Miyako, Iwate, Japan, on Sunday, October 29, 1989 at 05:25 GMT

Major magnitude 6.9 earthquake - 120 km east of Miyako, Iwate, Japan, on Sunday, October 29, 1989 at 05:25 GMT Major magnitude 6.9 earthquake - 120 km east of Miyako, Iwate, Japan, on Sunday, October 29, 1989 at 05:25 GMT

Major magnitude 6.9 earthquake at 10 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Oct 29, 1989 05:25:38 UTC
Magnitude: 6.9
Depth: 9.6 km
Epicenter latitude / longitude: 39.571°N / 143.333°E (North Pacific Ocean, Japan)
Antipode: 39.571°S / 36.667°W
Nearest volcano: Nanashigure (198 km / 123 mi)
Nearby towns and cities:
119 km (74 mi) E of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
120 km (74 mi) E of Miyako (pop: 51,700) --> See nearby quakes!
130 km (81 mi) ENE of Kamaishi (pop: 43,100) --> See nearby quakes!
150 km (93 mi) ENE of Ofunato (pop: 35,400) --> See nearby quakes!
187 km (116 mi) ESE of Hachinohe (pop: 239,000) --> See nearby quakes!
188 km (117 mi) E of Morioka (pop: 295,200) --> See nearby quakes!
191 km (119 mi) E of Hanamaki (pop: 73,100) --> See nearby quakes!
193 km (120 mi) E of Kitakami (pop: 93,900) --> See nearby quakes!
423 km (263 mi) SSE of Sapporo (pop: 1,883,000) --> See nearby quakes!
538 km (334 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1015 joules (392 gigawatt hours, equivalent to 3.4 x 105 tons of TNT or 21.1 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
6.99.6 kmoff the east coast of Honshu, JapanUSGS
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 (99 quakes)

Date and timeMag
Depth
LocationDetails
Mar 21, 1990 10:14
32 years ago
4.2

33 km
137 km E of Miyako, Iwate, JapanMore
Mar 14, 1990 18:43
32 years ago
4.6

33 km
76 km E of Miyako, Iwate, JapanMore
Feb 13, 1990 17:07
32 years ago
4.1

33 km
94 km E of Hachinohe, Aomori, JapanMore
Feb 9, 1990 16:24
32 years ago
4.6

23 km
207 km E of Hachinohe, Aomori, JapanMore
Jan 29, 1990 10:37
32 years ago
4.8

48 km
78 km SE of Hachinohe, Aomori, JapanMore
Jan 20, 1990 02:55
32 years ago
5.7

48 km
82 km SE of Hachinohe, Aomori, JapanMore
Jan 10, 1990 03:11
32 years ago
5.8

37 km
117 km E of Miyako, Iwate, JapanMore
Jan 10, 1990 03:09
32 years ago
5.7

34 km
115 km E of Miyako, Iwate, JapanMore
Dec 22, 1989 07:04
32 years ago
4.7

33 km
92 km E of Ishinomaki, Honshu-miyagi-ken, JapanMore
Dec 20, 1989 09:04
32 years ago
4.7

59 km
65 km NE of Miyako, Iwate, JapanMore
Dec 17, 1989 08:11
32 years ago
5.2

20 km
120 km E of Miyako, Iwate, JapanMore
Dec 16, 1989 23:25
32 years ago
5.7

22 km
122 km E of Miyako, Iwate, JapanMore
Dec 16, 1989 14:16
32 years ago
4.6

33 km
142 km E of Miyako, Iwate, JapanMore
Dec 16, 1989 12:46
32 years ago
4.9

27 km
133 km E of Miyako, Iwate, JapanMore
Dec 4, 1989 09:18
32 years ago
4.3

33 km
99 km E of Miyako, Iwate, JapanMore
Dec 2, 1989 16:05
32 years ago
4.9

27 km
106 km E of Miyako, Iwate, JapanMore
Dec 2, 1989 13:36
32 years ago
4.5

20 km
117 km E of Miyako, Iwate, JapanMore
Dec 2, 1989 12:50
32 years ago
4.6

23 km
122 km E of Miyako, Iwate, JapanMore
Dec 2, 1989 12:23
32 years ago
4.0

33 km
142 km E of Miyako, Iwate, JapanMore
Dec 2, 1989 12:20
32 years ago
5.4

33 km
78 km E of Miyako, Iwate, JapanMore
Dec 2, 1989 12:19
32 years ago
4.1

33 km
118 km E of Miyako, Iwate, JapanMore
Dec 2, 1989 12:15
32 years ago
5.6

35 km
99 km E of Miyako, Iwate, JapanMore
Nov 29, 1989 20:21
32 years ago
4.5

33 km
128 km E of Miyako, Iwate, JapanMore
Nov 26, 1989 08:43
32 years ago
4.3

33 km
137 km E of Miyako, Iwate, JapanMore
Nov 23, 1989 15:49
33 years ago
5.2

34 km
103 km E of Miyako, Iwate, JapanMore
Nov 22, 1989 01:40
33 years ago
4.2

33 km
188 km E of Ishinomaki, Honshu-miyagi-ken, JapanMore
Nov 21, 1989 10:13
33 years ago
4.9

25 km
103 km E of Miyako, Iwate, JapanMore
Nov 21, 1989 04:47
33 years ago
4.9

49 km
56 km NE of Miyako, Iwate, JapanMore
Nov 18, 1989 04:50
33 years ago
4.6

29 km
200 km E of Hachinohe, Aomori, JapanMore
Nov 17, 1989 11:57
33 years ago
4.3

26 km
142 km E of Miyako, Iwate, JapanMore
Nov 17, 1989 08:00
33 years ago
4.9

17 km
110 km E of Miyako, Iwate, JapanMore
Nov 15, 1989 18:31
33 years ago
4.8

33 km
96 km E of Miyako, Iwate, JapanMore
Nov 14, 1989 05:49
33 years ago
4.3

33 km
154 km E of Miyako, Iwate, JapanMore
Nov 12, 1989 03:31
33 years ago
4.3

33 km
141 km E of Miyako, Iwate, JapanMore
Nov 11, 1989 04:13
33 years ago
4.5

35 km
146 km E of Miyako, Iwate, JapanMore
Nov 7, 1989 15:13
33 years ago
4.7

33 km
174 km E of Hachinohe, Aomori, JapanMore
Nov 7, 1989 15:00
33 years ago
4.6

33 km
140 km E of Miyako, Iwate, JapanMore
Nov 7, 1989 03:27
33 years ago
4.8

33 km
146 km E of Miyako, Iwate, JapanMore
Nov 7, 1989 00:30
33 years ago
4.8

33 km
126 km E of Miyako, Iwate, JapanMore
Nov 6, 1989 22:04
33 years ago
4.7

33 km
134 km E of Hachinohe, Aomori, JapanMore
Nov 6, 1989 08:56
33 years ago
5.5

49 km
82 km SE of Hachinohe, Aomori, JapanMore
Nov 6, 1989 06:03
33 years ago
4.8

71 km
Kesen-gun, 12 km NW of Ofunato, Ōfunato-shi, Iwate, JapanMore
Nov 5, 1989 19:24
33 years ago
3.7

28 km
162 km E of Miyako, Iwate, JapanMore
Nov 5, 1989 19:06
33 years ago
4.7

29 km
153 km E of Miyako, Iwate, JapanMore
Nov 5, 1989 18:00
33 years ago
4.8

33 km
132 km E of Miyako, Iwate, JapanMore
Nov 5, 1989 15:56
33 years ago
5.2

29 km
146 km E of Miyako, Iwate, JapanMore
Nov 5, 1989 15:08
33 years ago
5.2

43 km
78 km NE of Miyako, Iwate, JapanMore
Nov 5, 1989 13:42
33 years ago
5.2

31 km
143 km E of Miyako, Iwate, JapanMore
Nov 5, 1989 01:25
33 years ago
4.0

37 km
141 km SE of Miyako, Iwate, JapanMore
Nov 4, 1989 21:56
33 years ago
5.3

21 km
126 km E of Miyako, Iwate, JapanMore
Nov 4, 1989 20:51
33 years ago
5.5

27 km
148 km E of Kamaishi, Iwate, JapanMore
Nov 4, 1989 20:12
33 years ago
5.9

30 km
135 km SE of Miyako, Iwate, JapanMore
Nov 4, 1989 02:49
33 years ago
4.8

33 km
115 km E of Miyako, Iwate, JapanMore
Nov 3, 1989 22:45
33 years ago
4.3

31 km
132 km E of Miyako, Iwate, JapanMore
Nov 3, 1989 08:15
33 years ago
4.3

33 km
107 km E of Miyako, Iwate, JapanMore
Nov 3, 1989 05:49
33 years ago
5.2

25 km
109 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 22:35
33 years ago
4.1

33 km
150 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 19:42
33 years ago
4.3

33 km
147 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 16:17
33 years ago
3.8

33 km
112 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 15:55
33 years ago
4.2

33 km
181 km E of Hachinohe, Aomori, JapanMore
Nov 2, 1989 13:42
33 years ago
5.5

28 km
119 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 11:59
33 years ago
5.5

29 km
151 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 11:51
33 years ago
5.3

27 km
99 km E of Yamada, Shimohei-gun, Iwate, JapanMore
Nov 2, 1989 11:30
33 years ago
4.0

33 km
173 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 10:37
33 years ago
4.0

33 km
178 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 10:03
33 years ago
4.7

33 km
103 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 09:34
33 years ago
4.9

34 km
107 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 08:15
33 years ago
4.1

33 km
203 km E of Ishinomaki, Honshu-miyagi-ken, JapanMore
Nov 2, 1989 07:09
33 years ago
3.8

33 km
60 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 04:01
33 years ago
4.1

33 km
130 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 02:22
33 years ago
4.6

33 km
133 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 01:42
33 years ago
4.8

33 km
135 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 01:13
33 years ago
4.5

30 km
123 km E of Miyako, Iwate, JapanMore
Nov 2, 1989 01:09
33 years ago
4.7

27 km
138 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 23:52
33 years ago
3.8

33 km
193 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 23:37
33 years ago
4.3

33 km
263 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 23:20
33 years ago
4.2

29 km
143 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 23:05
33 years ago
5.5

39 km
98 km E of Kamaishi, Iwate, JapanMore
Nov 1, 1989 23:04
33 years ago
4.3

31 km
103 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 22:34
33 years ago
4.4

33 km
131 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 22:09
33 years ago
4.1

33 km
122 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 21:53
33 years ago
4.8

33 km
92 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 21:40
33 years ago
4.8

33 km
121 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 20:20
33 years ago
5.3

57 km
77 km NE of Miyako, Iwate, JapanMore
Nov 1, 1989 19:52
33 years ago
5.1

30 km
144 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 19:29
33 years ago
4.5

33 km
142 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 18:49
33 years ago
4.5

33 km
68 km NE of Miyako, Iwate, JapanMore
Nov 1, 1989 18:36
33 years ago
6.0

30 km
102 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 18:25
33 years ago
7.4

29 km
73 km E of Miyako, Iwate, JapanMore
Nov 1, 1989 12:24
33 years ago
5.2

33 km
115 km E of Miyako, Iwate, JapanMore
Oct 31, 1989 05:07
33 years ago
4.7

33 km
113 km E of Miyako, Iwate, JapanMore
Oct 30, 1989 14:20
33 years ago
4.1

10 km
203 km E of Miyako, Iwate, JapanMore
Oct 29, 1989 23:18
33 years ago
5.3

10 km
109 km E of Miyako, Iwate, JapanMore
Oct 29, 1989 16:07
33 years ago
4.1

10 km
147 km E of Miyako, Iwate, JapanMore
Oct 29, 1989 15:53
33 years ago
5.5

10 km
127 km E of Miyako, Iwate, JapanMore
Oct 29, 1989 12:45
33 years ago
4.4

10 km
119 km E of Miyako, Iwate, JapanMore
Oct 29, 1989 10:51
33 years ago
5.5

18 km
127 km E of Miyako, Iwate, JapanMore
Oct 29, 1989 06:16
33 years ago
4.1

10 km
82 km NE of Miyako, Iwate, JapanMore
Oct 29, 1989 05:37
33 years ago
5.0

10 km
126 km E of Miyako, Iwate, JapanMore
Show all

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