Earthquake · Reviewed by USGS
M4.5 earthquake 280 km WNW of Houma, Tonga
A magnitude 4.5 earthquake struck 280 km WNW of Houma, Tonga at Aug 18, 2026, 16:48 UTC, at a depth of 408 km. The epicentre was 289 km (179 mi) WNW of Nuku'alofa.
Details
| Magnitude | 4.5 mb |
|---|---|
| Time | Aug 18, 2026, 16:48 UTC |
| Depth | 408.0 km |
| Coordinates | -20.022, -177.705 |
| 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 |
|---|---|---|---|---|
| 4.1 | Fiji region | 68 km / 42 mi | depth 572 km | |
| 4.6 | 260 km WNW of Houma, Tonga | 41 km / 25 mi | depth 513 km | |
| 4.6 | 267 km WNW of Houma, Tonga | 23 km / 14 mi | depth 557 km | |
| 4.0 | Fiji region | 89 km / 56 mi | depth 572 km | |
| 4.4 | Fiji region | 96 km / 60 mi | depth 584 km | |
| 4.5 | 280 km WNW of Houma, Tonga | 42 km / 26 mi | depth 513 km | |
| 4.3 | Fiji region | 89 km / 55 mi | depth 579 km | |
| 4.0 | 276 km WNW of Houma, Tonga | 27 km / 17 mi | depth 534 km | |
| 4.1 | 256 km WNW of Houma, Tonga | 40 km / 25 mi | depth 423 km | |
| 4.3 | Fiji region | 87 km / 54 mi | depth 583 km | |
| 4.1 | Fiji region | 87 km / 54 mi | depth 573 km | |
| 4.6 | Fiji region | 86 km / 53 mi | depth 502 km | |
| 5.0 | Fiji region | 67 km / 42 mi | depth 536 km | |
| 4.9 | 265 km WNW of Houma, Tonga | 43 km / 27 mi | depth 519 km | |
| 4.4 | 278 km NW of Houma, Tonga | 43 km / 27 mi | depth 541 km | |
| 4.2 | 280 km WNW of Houma, Tonga | 12 km / 8 mi | depth 506 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.