| Magnitude | 4 |
| Alert | |
| Depth ? | 33 |
| Nst ? | |
| Dmin ? | |
| Dmin ? |
| Location | Nagaoka |
| Niigata Prefecture | |
| Japan (jp)) |
| Tokamachi | 16.11 km |
| Ojiya | 19.86 km |
| Nagaoka | 31.33 km |
| Kashiwazaki | 39.67 km |
| Mitsuke | 40.05 km |
| Sanjo | 51.78 km |
| Tsubame | 55.89 km |
| Numata | 59.15 km |
| Iiyama | 61.44 km |
| Joetsu | 61.61 km |