Preliminary earthquake data and analysis
| Event ID | 1378018 |
|---|---|
| Event time | 2025-05-30 01:46:18 (UTC) |
| Local time | 2025-05-29 12:46:18 - [It was afternoon in the affected area.] |
| Last update | 2025-05-30 02:20:37 (UTC) |
| Magnitude | 4.4 |
| Depth | 528.1 km |
| Class | Light |
| Hypocenter | Great depth |
| Mercalli scale | 3 |
| Possible effects | Any people indoors feel movement. Hanging objects swing back and forth. People outdoors might not realize that an earthquake is occurring. |
| Data status | |
| Data provider | EMSC |
| Continent | Pacific Ocean - East |
|---|---|
| Country | Tonga |
| Administration area | Tongatapu |
| Nearest settlement | Houma |
| Distance | 472 km |
| Course | WSW |
| 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.