Earthquake · Reviewed by USGS
M4.9 earthquake 82 km SSW of ‘Ohonua, Tonga
A magnitude 4.9 earthquake struck 82 km SSW of ‘Ohonua, Tonga at Jul 31, 2025, 01:33 UTC, at a depth of 10 km. The epicentre was 94 km (58 mi) SSW of Nuku'alofa.
Details
| Magnitude | 4.9 mb |
|---|---|
| Time | Jul 31, 2025, 01:33 UTC |
| Depth | 10.0 km |
| Coordinates | -21.962, -175.397 |
| 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 |
|---|---|---|---|---|
| 4.8 | 144 km SSW of ‘Ohonua, Tonga | 67 km / 42 mi | depth 35 km | |
| 4.3 | 148 km SW of Houma, Tonga | 96 km / 59 mi | depth 150 km | |
| 4.7 | 123 km S of ‘Ohonua, Tonga | 69 km / 43 mi | depth 10 km | |
| 4.6 | 97 km WSW of Houma, Tonga | 97 km / 60 mi | depth 147 km | |
| 4.7 | 59 km SSW of Houma, Tonga | 35 km / 22 mi | depth 84 km | |
| 4.3 | 93 km SW of Houma, Tonga | 62 km / 39 mi | depth 133 km | |
| 4.9 | 169 km SSW of ‘Ohonua, Tonga | 88 km / 54 mi | depth 10 km | |
| 4.3 | 110 km WSW of Houma, Tonga | 96 km / 59 mi | depth 178 km | |
| 4.5 | 29 km SE of ‘Ohonua, Tonga | 86 km / 54 mi | depth 35 km | |
| 5.1 | 59 km SSE of ‘Ohonua, Tonga | 65 km / 40 mi | depth 10 km | |
| 5.5 | 53 km SSW of ‘Ohonua, Tonga | 32 km / 20 mi | depth 21 km | |
| 5.4 | 59 km S of ‘Ohonua, Tonga | 49 km / 30 mi | depth 10 km | |
| 4.9 | 99 km SSW of Houma, Tonga | 29 km / 18 mi | depth 73 km | |
| 4.2 | 124 km SW of Houma, Tonga | 86 km / 53 mi | depth 196 km | |
| 5.0 | 130 km S of ‘Ohonua, Tonga | 68 km / 42 mi | depth 10 km | |
| 4.6 | 157 km S of ‘Ohonua, Tonga | 93 km / 58 mi | depth 10 km | |
| 4.5 | 18 km SSW of Vaini, Tonga | 70 km / 44 mi | depth 10 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.