Preliminary earthquake data and analysis
| Event ID | 1521979 |
|---|---|
| Event time | 2025-12-07 22:14:42 (UTC) |
| Local time | 2025-12-07 14:14:42 - [It was afternoon in the affected area.] |
| Last update | 2025-12-07 22:28:49 (UTC) |
| Magnitude | 3.1 |
| Depth | 30 km |
| Class | Minor |
| Hypocenter | Shallow depth |
| Mercalli scale | 1 |
| Possible effects | People do not feel any Earth movement. |
| Data status | |
| Data provider | EMSC |
| Continent | Pacific Ocean - West |
|---|---|
| Country | Philippines |
| Administration area | Ilocos |
| Nearest settlement | Pagsanahan Norte |
| Distance | 19 km |
| Course | WSW |
| 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.