Earthquake · Reviewed by USGS
M4.5 earthquake 18 km SSW of Vaini, Tonga
A magnitude 4.5 earthquake struck 18 km SSW of Vaini, Tonga at Aug 16, 2025, 09:41 UTC, at a depth of 10 km. The epicentre was 24 km (15 mi) SSW of Nuku'alofa.
Details
| Magnitude | 4.5 mb |
|---|---|
| Time | Aug 16, 2025, 09:41 UTC |
| Depth | 10.0 km |
| Coordinates | -21.343, -175.253 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
01 — Nearby
Nearest cities
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 5.0 | 40 km NE of ‘Ohonua, Tonga | 67 km / 42 mi | depth 22 km | |
| 5.0 | 47 km NW of Houma, Tonga | 65 km / 41 mi | depth 94 km | |
| 4.5 | 66 km NW of Houma, Tonga | 82 km / 51 mi | depth 113 km | |
| 4.6 | 97 km WSW of Houma, Tonga | 97 km / 60 mi | depth 147 km | |
| 4.7 | 59 km SSW of Houma, Tonga | 46 km / 29 mi | depth 84 km | |
| 4.3 | 93 km SW of Houma, Tonga | 85 km / 53 mi | depth 133 km | |
| 4.4 | 49 km WNW of Houma, Tonga | 62 km / 39 mi | depth 149 km | |
| 5.1 | 68 km ESE of ‘Ohonua, Tonga | 98 km / 61 mi | depth 10 km | |
| 4.2 | 70 km ESE of ‘Ohonua, Tonga | 99 km / 62 mi | depth 10 km | |
| 4.5 | 50 km WNW of Houma, Tonga | 63 km / 39 mi | depth 160 km | |
| 4.5 | 29 km SE of ‘Ohonua, Tonga | 57 km / 35 mi | depth 35 km | |
| 5.1 | 59 km SSE of ‘Ohonua, Tonga | 75 km / 47 mi | depth 10 km | |
| 5.5 | 53 km SSW of ‘Ohonua, Tonga | 52 km / 32 mi | depth 21 km | |
| 5.4 | 59 km S of ‘Ohonua, Tonga | 68 km / 42 mi | depth 10 km | |
| 4.9 | 99 km SSW of Houma, Tonga | 85 km / 53 mi | depth 73 km | |
| 4.9 | 75 km NNW of Nuku‘alofa, Tonga | 97 km / 60 mi | depth 173 km | |
| 4.6 | 51 km N of Nuku‘alofa, Tonga | 75 km / 47 mi | depth 98 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.