| Magnitude | 4.1 |
| Alert | |
| Depth ? | 35.86 |
| Nst ? | |
| Dmin ? | 2.059 |
| Dmin ? | 2.7 |
| Location | Ichihara |
| Chiba Prefecture | |
| Japan (jp)) |
| Mobara | 28.27 km |
| Katsuura | 29.03 km |
| Togane | 32.54 km |
| Yachimata | 44.80 km |
| Asahi | 45.23 km |
| Ichihara | 45.67 km |
| Shisui | 52.64 km |
| Chiba | 52.84 km |
| Yotsukaido | 53.33 km |
| Sakura | 54.78 km |