Very strong mag. 6.9 earthquake - 122 km east of Miyako, Iwate, Japan, on Saturday, July 18, 1992 at 08:36 GMT
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Very strong magnitude 6.9 earthquake at 29 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Magnitude: 6.9
Depth: 28.6 km
Epicenter latitude / longitude: 39.419°N / 143.33°E

Antipode: 39.419°S / 36.67°W
Nearest volcano: Nanashigure (203 km / 126 mi)
Nearby towns and cities:
119 km (74 mi) E of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
122 km (76 mi) E of Miyako (pop: 51,700) --> See nearby quakes!
127 km (79 mi) E of Kamaishi (pop: 43,100) --> See nearby quakes!
144 km (90 mi) ENE of Ofunato (pop: 35,400) --> See nearby quakes!
190 km (118 mi) E of Morioka (pop: 295,200) --> See nearby quakes!
190 km (118 mi) E of Hanamaki (pop: 73,100) --> See nearby quakes!
191 km (119 mi) E of Kitakami (pop: 93,900) --> See nearby quakes!
197 km (122 mi) SE of Hachinohe (pop: 239,000) --> See nearby quakes!
507 km (315 mi) NE of Saitama (pop: 1,193,400) --> See nearby quakes!
524 km (326 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
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 |
6.9 | 29 km | off the east coast of Honshu, Japan | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (99 quakes)
Date and time![]() | Mag Depth | Location | Details |
Jan 13, 1993 01:31 29 years ago | 5.2 31 km | 70 km SE of Kamaishi, Iwate, Japan | More |
Jan 11, 1993 20:58 29 years ago | 5.2 35 km | 97 km SE of Ofunato, Ōfunato-shi, Iwate, Japan | More |
Jan 9, 1993 04:01 29 years ago | 4.7 27 km | 66 km SE of Kamaishi, Iwate, Japan | More |
Jan 8, 1993 07:19 29 years ago | 4.8 10 km | 97 km SE of Kamaishi, Iwate, Japan | More |
Jan 5, 1993 01:31 29 years ago | 4.8 28 km | 74 km SE of Kamaishi, Iwate, Japan | More |
Jan 1, 1993 08:19 29 years ago | 4.7 37 km | 95 km SE of Kamaishi, Iwate, Japan | More |
Dec 31, 1992 07:34 29 years ago | 4.8 33 km | 86 km SE of Kamaishi, Iwate, Japan | More |
Dec 31, 1992 07:26 29 years ago | 5.8 39 km | 63 km SE of Kamaishi, Iwate, Japan | More |
Dec 31, 1992 07:02 29 years ago | 5.4 37 km | 65 km SE of Kamaishi, Iwate, Japan | More |
Dec 29, 1992 17:11 29 years ago | 4.6 43 km | 129 km E of Ishinomaki, Honshu-miyagi-ken, Japan | More |
Dec 29, 1992 02:08 29 years ago | 4.9 41 km | 58 km SE of Kamaishi, Iwate, Japan | More |
Dec 29, 1992 00:01 29 years ago | 4.3 33 km | 84 km SE of Kamaishi, Iwate, Japan | More |
Dec 28, 1992 13:52 29 years ago | 4.3 63 km | 74 km E of Hachinohe, Aomori, Japan | More |
Dec 28, 1992 10:34 29 years ago | 5.3 27 km | 63 km SE of Kamaishi, Iwate, Japan | More |
Dec 28, 1992 10:23 29 years ago | 5.0 30 km | 70 km SE of Kamaishi, Iwate, Japan | More |
Dec 28, 1992 08:19 29 years ago | 4.4 14 km | 92 km SE of Kamaishi, Iwate, Japan | More |
Dec 28, 1992 02:50 29 years ago | 4.2 10 km | 98 km SE of Kamaishi, Iwate, Japan | More |
Dec 27, 1992 16:21 29 years ago | 5.7 28 km | 61 km SE of Kamaishi, Iwate, Japan | More |
Dec 15, 1992 07:25 29 years ago | 4.1 82 km | 41 km NE of Kasakai-jima Island, Japan | More |
Dec 9, 1992 09:47 29 years ago | 4.8 33 km | 148 km E of Miyako, Iwate, Japan | More |
Dec 9, 1992 05:41 29 years ago | 4.8 24 km | 166 km E of Miyako, Iwate, Japan | More |
Dec 9, 1992 05:12 29 years ago | 5.4 30 km | 136 km E of Miyako, Iwate, Japan | More |
Dec 6, 1992 06:56 29 years ago | 5.1 28 km | 141 km E of Miyako, Iwate, Japan | More |
Nov 27, 1992 12:06 29 years ago | 4.3 55 km | 66 km NE of Miyako, Iwate, Japan | More |
Oct 24, 1992 12:36 30 years ago | 4.5 33 km | 54 km E of Kasakai-jima Island, Japan | More |
Oct 15, 1992 00:42 30 years ago | 3.7 68 km | 69 km E of Hachinohe, Aomori, Japan | More |
Oct 7, 1992 03:31 30 years ago | 4.8 20 km | 173 km E of Hachinohe, Aomori, Japan | More |
Sep 29, 1992 18:43 30 years ago | 4.1 33 km | 74 km NE of Miyako, Iwate, Japan | More |
Sep 6, 1992 08:20 30 years ago | 4.6 58 km | 79 km SE of Hachinohe, Aomori, Japan | More |
Sep 4, 1992 08:11 30 years ago | 4.5 28 km | 175 km E of Ishinomaki, Honshu-miyagi-ken, Japan | More |
Sep 4, 1992 07:37 30 years ago | 5.0 30 km | 162 km E of Ishinomaki, Honshu-miyagi-ken, Japan | More |
Aug 29, 1992 10:36 30 years ago | 4.3 10 km | 95 km SE of Kamaishi, Iwate, Japan | More |
Aug 27, 1992 12:28 30 years ago | 4.8 50 km | 80 km NE of Ishinomaki, Honshu-miyagi-ken, Japan | More |
Aug 24, 1992 11:07 30 years ago | 4.9 23 km | 182 km E of Ishinomaki, Honshu-miyagi-ken, Japan | More |
Aug 15, 1992 18:10 30 years ago | 4.9 26 km | 111 km E of Miyako, Iwate, Japan | More |
Aug 13, 1992 19:47 30 years ago | 4.3 33 km | 170 km E of Hachinohe, Aomori, Japan | More |
Aug 5, 1992 13:01 30 years ago | 4.6 29 km | 135 km E of Miyako, Iwate, Japan | More |
Aug 5, 1992 11:43 30 years ago | 5.0 25 km | 115 km E of Miyako, Iwate, Japan | More |
Aug 1, 1992 03:57 30 years ago | 4.1 33 km | 147 km E of Miyako, Iwate, Japan | More |
Jul 31, 1992 11:43 30 years ago | 4.1 38 km | 141 km E of Miyako, Iwate, Japan | More |
Jul 31, 1992 03:06 30 years ago | 3.9 28 km | 158 km E of Miyako, Iwate, Japan | More |
Jul 30, 1992 19:06 30 years ago | 4.1 33 km | 148 km E of Miyako, Iwate, Japan | More |
Jul 30, 1992 02:04 30 years ago | 4.7 40 km | 143 km E of Miyako, Iwate, Japan | More |
Jul 29, 1992 23:35 30 years ago | 5.1 28 km | 122 km E of Miyako, Iwate, Japan | More |
Jul 29, 1992 05:23 30 years ago | 4.8 33 km | 125 km E of Miyako, Iwate, Japan | More |
Jul 29, 1992 04:30 30 years ago | 6.2 16 km | 135 km E of Miyako, Iwate, Japan | More |
Jul 29, 1992 02:44 30 years ago | 5.0 33 km | 157 km E of Miyako, Iwate, Japan | More |
Jul 29, 1992 02:27 30 years ago | 5.6 27 km | 115 km E of Miyako, Iwate, Japan | More |
Jul 27, 1992 08:29 30 years ago | 4.8 33 km | 128 km E of Miyako, Iwate, Japan | More |
Jul 26, 1992 17:47 30 years ago | 4.8 29 km | 167 km E of Ishinomaki, Honshu-miyagi-ken, Japan | More |
Jul 25, 1992 19:50 30 years ago | 4.3 80 km | 52 km SE of Miyako, Iwate, Japan | More |
Jul 25, 1992 02:53 30 years ago | 5.9 17 km | 116 km SE of Kamaishi, Iwate, Japan | More |
Jul 24, 1992 19:03 30 years ago | 5.2 37 km | 146 km E of Yamada, Shimohei-gun, Iwate, Japan | More |
Jul 24, 1992 11:51 30 years ago | 5.2 33 km | 107 km E of Miyako, Iwate, Japan | More |
Jul 24, 1992 11:40 30 years ago | 4.6 39 km | 115 km E of Miyako, Iwate, Japan | More |
Jul 21, 1992 00:39 30 years ago | 4.9 33 km | 96 km E of Yamada, Shimohei-gun, Iwate, Japan | More |
Jul 21, 1992 00:00 30 years ago | 4.9 25 km | 116 km SE of Miyako, Iwate, Japan | More |
Jul 20, 1992 20:20 30 years ago | 4.3 33 km | 96 km E of Miyako, Iwate, Japan | More |
Jul 20, 1992 19:39 30 years ago | 5.0 23 km | 126 km E of Miyako, Iwate, Japan | More |
Jul 20, 1992 06:35 30 years ago | 4.5 33 km | 125 km E of Miyako, Iwate, Japan | More |
Jul 19, 1992 18:41 30 years ago | 5.2 32 km | 127 km SE of Miyako, Iwate, Japan | More |
Jul 19, 1992 05:10 30 years ago | 5.0 31 km | 149 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 23:03 30 years ago | 4.7 33 km | 118 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 22:01 30 years ago | 4.9 30 km | 134 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 21:45 30 years ago | 5.0 25 km | 115 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 21:32 30 years ago | 5.0 33 km | 135 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 21:31 30 years ago | 5.0 32 km | 130 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 21:29 30 years ago | 4.9 34 km | 134 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 21:18 30 years ago | 6.0 37 km | 99 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 20:55 30 years ago | 5.6 25 km | 115 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 19:27 30 years ago | 4.6 33 km | 133 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 19:10 30 years ago | 5.0 30 km | 135 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 18:12 30 years ago | 5.5 31 km | 118 km SE of Miyako, Iwate, Japan | More |
Jul 18, 1992 18:05 30 years ago | 4.7 32 km | 127 km SE of Miyako, Iwate, Japan | More |
Jul 18, 1992 17:48 30 years ago | 4.4 31 km | 145 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 17:27 30 years ago | 5.4 32 km | 104 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 17:08 30 years ago | 4.1 30 km | 177 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 16:59 30 years ago | 4.7 29 km | 109 km SE of Miyako, Iwate, Japan | More |
Jul 18, 1992 16:12 30 years ago | 4.5 33 km | 99 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 15:54 30 years ago | 5.1 31 km | 114 km SE of Miyako, Iwate, Japan | More |
Jul 18, 1992 14:45 30 years ago | 5.1 25 km | 110 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 13:56 30 years ago | 6.1 27 km | 89 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 13:46 30 years ago | 4.2 33 km | 84 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 12:02 30 years ago | 5.8 25 km | 115 km SE of Miyako, Iwate, Japan | More |
Jul 18, 1992 11:48 30 years ago | 5.8 32 km | 119 km SE of Miyako, Iwate, Japan | More |
Jul 18, 1992 11:46 30 years ago | 4.7 28 km | 135 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 11:11 30 years ago | 5.2 29 km | 128 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 11:06 30 years ago | 4.9 31 km | 107 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 10:59 30 years ago | 5.9 27 km | 110 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 10:45 30 years ago | 4.8 33 km | 110 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 10:20 30 years ago | 6.4 27 km | 96 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 10:01 30 years ago | 4.1 33 km | 100 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 09:45 30 years ago | 5.5 34 km | 113 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 09:09 30 years ago | 5.2 33 km | 94 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 09:06 30 years ago | 4.9 20 km | 54 km NE of Miyako, Iwate, Japan | More |
Jul 18, 1992 08:57 30 years ago | 4.4 33 km | 130 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 08:51 30 years ago | 4.2 33 km | 156 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 08:47 30 years ago | 5.3 33 km | 136 km E of Miyako, Iwate, Japan | More |
Jul 18, 1992 08:39 30 years ago | 6.1 35 km | 93 km E of Miyako, Iwate, Japan | More |
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