Very strong mag. 6.4 earthquake - 181 km east of Hachinohe, Aomori, Japan, on Wednesday, December 28, 1994 at 22:37 GMT
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes here | Quakes in Japan | Iwate | Aomori | Hokkaido | Tokyo
Very strong magnitude 6.4 earthquake at 11 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Earthquake details
| Date & time | Dec 28, 1994 22:37:46 UTC |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 6.4 |
| Depth | 10.5 km |
| Epicenter latitude / longitude | 40.375°N / 143.636°E  (North Pacific Ocean, Japan) |
| Antipode | 40.375°S / 36.364°W |
| Shaking intensity | Very strong shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Osore-yama (213 km / 132 mi) |
| Nearby towns and cities | 166 km (103 mi) ENE of Miyako (pop: 51,700) | Show on map | Quakes nearby 176 km (109 mi) NE of Yamada (Shimohei-gun) (pop: 20,100) | Show on map | Quakes nearby 181 km (113 mi) E of Hachinohe (pop: 239,000) | Show on map | Quakes nearby 186 km (115 mi) NE of Ōtsuchi (Kamihei-gun) (pop: 16,500) | Show on map | Quakes nearby 193 km (120 mi) E of Misawa (pop: 42,800) | Show on map | Quakes nearby 194 km (121 mi) NE of Kamaishi (pop: 43,100) | Show on map | Quakes nearby 225 km (140 mi) ENE of Morioka (pop: 295,200) | Show on map | Quakes nearby 250 km (155 mi) E of Aomori (pop: 298,400) | Show on map | Quakes nearby 354 km (220 mi) SE of Sapporo (pop: 1,883,000) | Show on map | Quakes nearby 625 km (388 mi) NNE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby |
| Estimated seismic energy released | 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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 |
| 6.4 | 10.5 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 (71 quakes)
Date and time | Mag Depth | Location | Details |
| Jun 13, 1995 18:13 27 years ago | 4.6 33 km | 198 km E of Hachinohe, Aomori, Japan | More |
| May 25, 1995 09:11 27 years ago | 5.7 29 km | 137 km NE of Miyako, Iwate, Japan | More |
| May 17, 1995 16:55 27 years ago | 4.9 29 km | 140 km E of Miyako, Iwate, Japan | More |
| May 15, 1995 13:58 27 years ago | 5.1 33 km | 128 km E of Hachinohe, Aomori, Japan | More |
| May 15, 1995 13:55 27 years ago | 5.0 33 km | 158 km E of Hachinohe, Aomori, Japan | More |
| May 7, 1995 05:15 27 years ago | 4.7 41 km | 79 km NE of Miyako, Iwate, Japan | More |
| May 5, 1995 00:28 27 years ago | 4.7 33 km | 152 km E of Hachinohe, Aomori, Japan | More |
| Apr 25, 1995 16:19 27 years ago | 4.0 10 km | 233 km E of Hachinohe, Aomori, Japan | More |
| Apr 25, 1995 13:48 27 years ago | 5.0 25 km | 198 km E of Hachinohe, Aomori, Japan | More |
| Apr 25, 1995 13:32 27 years ago | 5.2 30 km | 198 km E of Hachinohe, Aomori, Japan | More |
| Apr 14, 1995 20:47 27 years ago | 4.4 33 km | 157 km E of Hachinohe, Aomori, Japan | More |
| Apr 12, 1995 02:39 27 years ago | 4.7 33 km | 155 km E of Hachinohe, Aomori, Japan | More |
| Mar 28, 1995 15:08 27 years ago | 4.4 33 km | 170 km E of Hachinohe, Aomori, Japan | More |
| Mar 27, 1995 04:42 27 years ago | 4.6 33 km | 109 km E of Hachinohe, Aomori, Japan | More |
| Mar 26, 1995 17:05 27 years ago | 4.0 33 km | 158 km E of Miyako, Iwate, Japan | More |
| Mar 23, 1995 23:22 27 years ago | 4.9 33 km | 176 km E of Hachinohe, Aomori, Japan | More |
| Mar 19, 1995 10:24 27 years ago | 4.2 33 km | 99 km E of Hachinohe, Aomori, Japan | More |
| Mar 13, 1995 20:53 27 years ago | 4.8 35 km | 90 km NE of Miyako, Iwate, Japan | More |
| Mar 12, 1995 04:40 27 years ago | 5.2 29 km | 140 km NE of Miyako, Iwate, Japan | More |
| Mar 6, 1995 06:23 27 years ago | 4.7 36 km | 139 km E of Miyako, Iwate, Japan | More |
| Mar 4, 1995 14:11 27 years ago | 5.1 28 km | 101 km E of Miyako, Iwate, Japan | More |
| Mar 2, 1995 23:19 27 years ago | 4.3 33 km | 147 km E of Miyako, Iwate, Japan | More |
| Mar 2, 1995 11:14 27 years ago | 4.2 33 km | 134 km E of Miyako, Iwate, Japan | More |
| Feb 25, 1995 00:01 27 years ago | 4.3 33 km | 145 km E of Hachinohe, Aomori, Japan | More |
| Feb 23, 1995 16:32 27 years ago | 4.8 33 km | 118 km E of Miyako, Iwate, Japan | More |
| Feb 23, 1995 06:26 27 years ago | 3.7 38 km | 143 km E of Miyako, Iwate, Japan | More |
| Feb 23, 1995 06:07 27 years ago | 4.1 33 km | 137 km E of Miyako, Iwate, Japan | More |
| Feb 23, 1995 05:27 27 years ago | 6.1 33 km | 140 km E of Miyako, Iwate, Japan | More |
| Feb 23, 1995 05:01 27 years ago | 6.2 9.1 km | 148 km E of Miyako, Iwate, Japan | More |
| Feb 13, 1995 16:55 28 years ago | 4.7 33 km | 145 km E of Miyako, Iwate, Japan | More |
| Feb 6, 1995 09:00 28 years ago | 4.7 33 km | 148 km E of Hachinohe, Aomori, Japan | More |
| Jan 27, 1995 19:50 28 years ago | 5.0 10 km | 136 km E of Miyako, Iwate, Japan | More |
| Jan 24, 1995 20:38 28 years ago | 4.8 33 km | 191 km E of Hachinohe, Aomori, Japan | More |
| Jan 21, 1995 06:56 28 years ago | 5.4 34 km | 178 km E of Hachinohe, Aomori, Japan | More |
| Jan 19, 1995 05:06 28 years ago | 4.9 33 km | 153 km E of Hachinohe, Aomori, Japan | More |
| Jan 18, 1995 01:26 28 years ago | 4.4 33 km | 96 km E of Hachinohe, Aomori, Japan | More |
| Jan 17, 1995 15:21 28 years ago | 4.7 33 km | 162 km E of Hachinohe, Aomori, Japan | More |
| Jan 15, 1995 05:03 28 years ago | 4.4 33 km | 218 km E of Hachinohe, Aomori, Japan | More |
| Jan 15, 1995 04:45 28 years ago | 5.1 30 km | 174 km E of Hachinohe, Aomori, Japan | More |
| Jan 14, 1995 12:47 28 years ago | 4.8 18 km | 122 km E of Miyako, Iwate, Japan | More |
| Jan 8, 1995 18:28 28 years ago | 4.6 28 km | 213 km E of Hachinohe, Aomori, Japan | More |
| Jan 8, 1995 05:27 28 years ago | 3.8 73 km | 108 km NE of Miyako, Iwate, Japan | More |
| Jan 7, 1995 13:24 28 years ago | 5.2 32 km | 139 km NE of Miyako, Iwate, Japan | More |
| Jan 7, 1995 10:14 28 years ago | 4.9 15 km | 142 km E of Hachinohe, Aomori, Japan | More |
| Jan 6, 1995 23:00 28 years ago | 4.4 33 km | 92 km E of Hachinohe, Aomori, Japan | More |
| Jan 5, 1995 21:49 28 years ago | 4.9 25 km | 173 km E of Hachinohe, Aomori, Japan | More |
| Jan 4, 1995 04:54 28 years ago | 5.3 24 km | 144 km NE of Miyako, Iwate, Japan | More |
| Jan 4, 1995 04:51 28 years ago | 5.0 29 km | 167 km E of Hachinohe, Aomori, Japan | More |
| Jan 3, 1995 07:02 28 years ago | 5.0 28 km | 168 km E of Hachinohe, Aomori, Japan | More |
| Jan 3, 1995 06:01 28 years ago | 5.1 27 km | 165 km E of Hachinohe, Aomori, Japan | More |
| Jan 2, 1995 21:36 28 years ago | 4.6 30 km | 184 km E of Hachinohe, Aomori, Japan | More |
| Jan 2, 1995 21:08 28 years ago | 5.0 33 km | 170 km E of Hachinohe, Aomori, Japan | More |
| Jan 2, 1995 20:58 28 years ago | 5.3 28 km | 166 km E of Hachinohe, Aomori, Japan | More |
| Jan 2, 1995 16:42 28 years ago | 4.8 49 km | 97 km E of Hachinohe, Aomori, Japan | More |
| Jan 1, 1995 22:05 28 years ago | 5.2 33 km | 209 km E of Hachinohe, Aomori, Japan | More |
| Jan 1, 1995 12:30 28 years ago | 5.2 42 km | 78 km NE of Miyako, Iwate, Japan | More |
| Jan 1, 1995 07:47 28 years ago | 4.7 25 km | 174 km E of Hachinohe, Aomori, Japan | More |
| Jan 1, 1995 07:24 28 years ago | 4.4 33 km | 198 km E of Hachinohe, Aomori, Japan | More |
| Jan 1, 1995 07:18 28 years ago | 4.7 29 km | 179 km E of Hachinohe, Aomori, Japan | More |
| Jan 1, 1995 06:59 28 years ago | 6.5 15 km | 174 km E of Hachinohe, Aomori, Japan | More |
| Dec 31, 1994 17:17 28 years ago | 5.0 33 km | 94 km NE of Miyako, Iwate, Japan | More |
| Dec 31, 1994 13:50 28 years ago | 6.0 43 km | 94 km E of Hachinohe, Aomori, Japan | More |
| Dec 30, 1994 18:39 28 years ago | 5.0 33 km | 144 km E of Hachinohe, Aomori, Japan | More |
| Dec 30, 1994 17:34 28 years ago | 5.3 33 km | 175 km E of Hachinohe, Aomori, Japan | More |
| Dec 30, 1994 14:37 28 years ago | 4.4 33 km | 174 km E of Miyako, Iwate, Japan | More |
| Dec 29, 1994 22:33 28 years ago | 5.1 33 km | 121 km E of Hachinohe, Aomori, Japan | More |
| Dec 29, 1994 16:41 28 years ago | 4.9 33 km | 268 km E of Hachinohe, Aomori, Japan | More |
| Dec 29, 1994 15:07 28 years ago | 3.9 33 km | 158 km E of Hachinohe, Aomori, Japan | More |
| Dec 29, 1994 06:00 28 years ago | 4.7 33 km | 177 km E of Hachinohe, Aomori, Japan | More |
| Dec 28, 1994 22:54 28 years ago | 5.8 30 km | 180 km E of Hachinohe, Aomori, Japan | More |
| Dec 28, 1994 22:48 28 years ago | 4.8 33 km | 244 km E of Hachinohe, Aomori, Japan | More |
Show all
Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!
