Preliminary earthquake data and analysis
| Event ID | 1378997 |
|---|---|
| Event time | 2025-05-31 13:14:52 (UTC) |
| Local time | 2025-05-31 00:14:52 - [It was morning in the affected area.] |
| Last update | 2025-05-31 13:34:35 (UTC) |
| Magnitude | 4.7 |
| Depth | 108.698 km |
| Class | Light |
| Hypocenter | Medium deep |
| Mercalli scale | 4 |
| Possible effects | Most people indoors feel movement. Hanging objects swing. Dishes, windows, and doors rattle. The earthquake feels like a heavy truck hitting the walls. A few people outdoors may feel movement. Parked cars rock. |
| Data status | reviewed |
| Data provider | USGS |
| Continent | Pacific Ocean - East |
|---|---|
| Country | Tonga |
| Administration area | Niuas |
| Nearest settlement | Hihifo |
| Distance | 46 km |
| Course | WNW |
| Surface type | underwater quake |
| Tsunami region | South Pacific |
| Water surface name | South Pacific Ocean |
According to the epicenter of the quake, this is an underwater quake.