| Magnitude | 4.2 |
| Alert | |
| Depth ? | 10 |
| Nst ? | 30 |
| Dmin ? | |
| Dmin ? |
| Location | Narita |
| Chiba Prefecture | |
| Japan (jp)) |
| Asahi | 186.54 km |
| Kashima | 190.91 km |
| Itako | 198.39 km |
| Katori | 202.31 km |
| Oarai | 208.93 km |
| Togane | 211.24 km |
| Yachimata | 215.78 km |
| Narita | 216.57 km |
| Hitachi | 217.43 km |
| Mobara | 218.96 km |