| Type | Earthquake |
|---|---|
| Status | Historical |
| Name | 165 km NNW of Houma, Tonga |
| Date | 2025/06/28 |
| Time | 04:17 |
| Country | Tonga |
| Origin | 19.8818000, -176.0335000 |
| Hazard Map | ShakeMap (XML, Gzipped), 2025/06/28 06:42:18 |
| Moment Magnitude | 5.5 |
| Energy Magnitude | 5.4361 |
| Focal Depth | 229 km |
| Seismic Moment | 1.9953·1024 dyn·cm (1.9953·1017 J) |
| Radiated Seismic Energy | 3192419703950 J |
| Access | Public |
| No | Time | Epicenter | Focal Depth | Magnitude | Catalog |
|---|---|---|---|---|---|
| 1. | 04:17:09 | 19.8595000, -176.0638000 | 237.5 km | 5.5 Mw | USGS |
| 2. | 04:17:08 | 19.8299000, -176.0903000 | 229 km | 5.5 Mw | USGS |
| 3. | 04:17:08 | 19.8818000, -176.0335000 | 229 km | 5.5 Mw | USGS |
| No | Date |
|---|---|
| 1. | 2025/06/28 06:42:18 |
| 2. | 2025/06/28 04:41:01 |
Risk Assessment | Natural Hazards | Industrial Plants | Scientific | Users |