| Magnitude | 6.6 |
| Alert | |
| Depth ? | 12 |
| Nst ? | 774 |
| Dmin ? | |
| Dmin ? | 7.7 |
| Location | Nagaoka |
| Niigata Prefecture | |
| Japan (jp)) |
| Kashiwazaki | 8.50 km |
| Ojiya | 24.85 km |
| Nagaoka | 24.87 km |
| Mitsuke | 31.72 km |
| Tsubame | 37.21 km |
| Tokamachi | 39.20 km |
| Sanjo | 40.49 km |
| Joetsu | 44.58 km |
| Gosen | 63.35 km |
| Niigata | 66.26 km |