| Magnitude | 4.1 |
| Alert | |
| Depth ? | 39.2 |
| Nst ? | 52 |
| Dmin ? | |
| Dmin ? | 2 |
| Location | Joetsu |
| Niigata Prefecture | |
| Japan (jp)) |
| Tokamachi | 26.33 km |
| Iiyama | 32.05 km |
| Numata | 39.70 km |
| Suzaka | 45.62 km |
| Ojiya | 47.33 km |
| Shibukawa | 51.15 km |
| Joetsu | 51.66 km |
| Nagano | 54.26 km |
| Kashiwazaki | 55.17 km |
| Nagaoka | 62.59 km |