Preliminary earthquake data and analysis
| Event ID | 1351806 |
|---|---|
| Event time | 2025-04-21 07:53:11 (UTC) |
| Local time | 2025-04-21 07:53:11 - [It was morning in the affected area.] |
| Last update | 2025-04-21 07:53:11 (UTC) |
| Magnitude | 4.5 |
| Depth | 8.19664 km |
| Class | Light |
| Hypocenter | Shallow depth |
| 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 | automatic |
| Data provider | CSCentro de Sismologia - USP |
| Continent | Atlantic Ocean - South |
|---|---|
| Country | Saint Helena |
| Administration area | Ascension |
| Nearest settlement | Georgetown |
| Distance | 707 km |
| Course | N |
| Surface type | underwater quake |
| Tsunami region | South Atlantic |
| Water surface name | South Atlantic Ocean |
According to the epicenter of the quake, this is an underwater quake.