| Date & time | Jun 16, 1964 04:01:43 UTC |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 7.6 |
| Depth | 15.0 km |
| Epicenter latitude / longitude | 38.399°N / 139.29°E  (Japan Sea, Japan) |
| Antipode | 38.399°S / 40.71°W |
| Shaking intensity | Severe shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Gassan (66 km / 41 mi) |
| Nearby towns and cities | 25 km (16 mi) NW of Murakami (pop: 31,300) | Show on map | Quakes nearby 50 km (31 mi) N of Shibata (pop: 80,800) | Show on map | Quakes nearby 59 km (36 mi) SW of Tsuruoka (pop: 99,800) | Show on map | Quakes nearby 68 km (42 mi) NNE of Niitsu (pop: 65,900) | Show on map | Quakes nearby 76 km (47 mi) SW of Sakata (pop: 100,400) | Show on map | Quakes nearby 90 km (56 mi) NW of Yonezawa (pop: 94,500) | Show on map | Quakes nearby 92 km (57 mi) NNE of Sandyo (pop: 82,900) | Show on map | Quakes nearby 96 km (59 mi) W of Yamagata (pop: 254,500) | Show on map | Quakes nearby 138 km (86 mi) W of Sendai (pop: 1,063,100) | Show on map | Quakes nearby 303 km (189 mi) N of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby |
| Estimated seismic energy released | 1.6 x 1016 joules (4402 gigawatt hours, equivalent to 3.8 x 106 tons of TNT or 236.7 atomic bombs!) | about seismic energy |
| Mag. | Depth | Location | Source |
| 7.6 | 15 km | near the west coast of Honshu, Japan | USGS |
Date and time | Mag Depth | Location | Details |
| Apr 3, 1966 04:43 57 years ago | 5.7 49 km | 42 km E of Hitachi, Ibaraki, Japan | More |
| Jan 20, 1966 01:44 57 years ago | 5.8 10 km | 33 km SW of Ryōtsu-minato, Sado Shi, Niigata, Japan | More |
| Nov 14, 1965 05:54 57 years ago | 5.7 40 km | 53 km E of Hitachi, Ibaraki, Japan | More |
| Sep 25, 1965 14:53 57 years ago | 5.7 28 km | 121 km E of Miyako, Iwate, Japan | More |
| Sep 22, 1965 22:08 57 years ago | 6.3 35 km | 77 km SE of Kitaibaraki, Japan | More |
| Sep 17, 1965 16:21 57 years ago | 6.8 35 km | 73 km SE of Hitachi, Ibaraki, Japan | More |
| Sep 17, 1965 15:18 57 years ago | 5.9 35 km | 85 km NE of Hasaki, Chōshi-shi, Chiba, Japan | More |
| Sep 17, 1965 14:22 57 years ago | 5.8 35 km | 87 km NE of Hasaki, Chōshi-shi, Chiba, Japan | More |
| Apr 6, 1965 05:31 58 years ago | 5.7 50 km | 3.7 km S of Ishige, Jōsō-shi, Ibaraki, Japan | More |
| Feb 16, 1965 12:24 58 years ago | 5.7 54 km | 37 km SE of Ofunato, Ōfunato-shi, Iwate, Japan | More |
| Dec 10, 1964 15:11 58 years ago | 6.3 30 km | 80 km W of Noshiro, Akita, Japan | More |
| Nov 27, 1964 13:47 58 years ago | 6.0 15 km | 23 km S of Ryōtsu-minato, Sado Shi, Niigata, Japan | More |
| Jul 12, 1964 01:45 59 years ago | 6.0 13 km | 46 km W of Tsuruoka, Yamagata, Japan | More |
| Jun 19, 1964 10:05 59 years ago | 5.7 18 km | 29 km W of Tsuruoka, Yamagata, Japan | More |
| Jun 16, 1964 07:14 59 years ago | 6.2 15 km | 21 km NW of Murakami, Niigata, Japan | More |
| Jun 16, 1964 06:53 59 years ago | 6.5 10 km | 55 km W of Tsuruoka, Yamagata, Japan | More |
| Jun 16, 1964 04:17 59 years ago | 5.7 15 km | 55 km W of Tsuruoka, Yamagata, Japan | More |
