| Magnitude | 4.6 |
| Alert | |
| Depth ? | 41.4 |
| Nst ? | 57 |
| Dmin ? | |
| Dmin ? | 4.3 |
| Location | Niihama |
| Ehime Prefecture | |
| Japan (jp)) |
| Tadotsu | 37.35 km |
| Marugame | 39.59 km |
| Niihama | 42.24 km |
| Kochi | 46.06 km |
| Saijo | 51.63 km |
| Takamatsu | 53.32 km |
| Tamano | 64.55 km |
| Kasaoka | 66.87 km |
| Fukuyama | 70.20 km |
| Onomichi | 71.94 km |