Preliminary earthquake data and analysis
| Event ID | 1521998 |
|---|---|
| Event time | 2025-12-07 22:45:30 (UTC) |
| Local time | 2025-12-07 13:45:30 - [It was afternoon in the affected area.] |
| Last update | 2025-12-07 22:56:20 (UTC) |
| Magnitude | 3.1 |
| Depth | 60 km |
| Class | Minor |
| Hypocenter | Shallow depth |
| Mercalli scale | 1 |
| Possible effects | People do not feel any Earth movement. |
| Data status | |
| Data provider | EMSC |
| Continent | Asia |
|---|---|
| Country | Japan |
| Administration area | Saitama |
| Nearest settlement | Washinomiya |
| Distance | 4 km |
| Course | E |
| Surface type | underground quake |