Preliminary earthquake data and analysis
| Event ID | 1369251 |
|---|---|
| Event time | 2025-05-16 20:09:07 (UTC) |
| Local time | 2025-05-16 12:09:07 - [It was afternoon in the affected area.] |
| Last update | 2025-05-16 20:21:45 (UTC) |
| Magnitude | 4.2 |
| Depth | 10 km |
| Class | Light |
| Hypocenter | Shallow 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 - West |
|---|---|
| Country | Philippines |
| Administration area | Ilocos |
| Nearest settlement | Pagsanahan Norte |
| Distance | 64 km |
| Course | WNW |
| Surface type | underwater quake |
| Tsunami region | North Pacific |
| Water surface name | South China Sea |
According to the epicenter of the quake, this is an underwater quake.