Preliminary earthquake data and analysis
| Event ID | 1443924 |
|---|---|
| Event time | 2025-08-29 16:53:30 (UTC) |
| Local time | 2025-08-29 07:53:30 - [It was morning in the affected area.] |
| Last update | 2025-08-29 17:00:06 (UTC) |
| Magnitude | 3.9 |
| Depth | 40 km |
| Class | Minor |
| Hypocenter | Shallow depth |
| Mercalli scale | 2 |
| Possible effects | A few people might notice movement if they are at rest and/or on the upper floors of tall buildings. |
| Data status | |
| Data provider | EMSC |
| Continent | Asia |
|---|---|
| Country | Japan |
| Administration area | Fukushima |
| Nearest settlement | Tomioka |
| Distance | 52 km |
| Course | E |
| Surface type | underwater quake |
| Tsunami region | North Pacific |
| Water surface name | North Pacific Ocean |
According to the epicenter of the quake, this is an underwater quake.