| Magnitude | 5.1 |
| Alert | |
| Depth ? | 14.89 |
| Nst ? | |
| Dmin ? | 0.22 |
| Dmin ? | 3.4 |
| Location | Nagano |
| Nagano Prefecture | |
| Japan (jp)) |
| Omachi | 15.61 km |
| Nagano | 22.34 km |
| Suzaka | 32.41 km |
| Ueda | 36.37 km |
| Matsumoto | 42.52 km |
| Iiyama | 45.32 km |
| Itoigawa | 47.03 km |
| Nyuzen | 52.74 km |
| Kamiichi | 52.98 km |
| Uozu | 53.23 km |