Earthquake · Reviewed by USGS
M4.0 earthquake 230 km W of Hihifo, Tonga
A magnitude 4.0 earthquake struck 230 km W of Hihifo, Tonga at May 21, 2026, 05:57 UTC, at a depth of 377 km. The epicentre was 288 km (179 mi) S of Mata-Utu.
Details
| Magnitude | 4.0 mb |
|---|---|
| Time | May 21, 2026, 05:57 UTC |
| Depth | 377.4 km |
| Coordinates | -15.859, -175.945 |
| 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 |
|---|---|---|---|---|
| 4.3 | 206 km WSW of Hihifo, Tonga | 97 km / 60 mi | depth 330 km | |
| 4.3 | 216 km SSE of Mata-Utu, Wallis and Futuna | 75 km / 47 mi | depth 353 km | |
| 4.3 | 253 km W of Hihifo, Tonga | 61 km / 38 mi | depth 382 km | |
| 4.1 | 154 km W of Hihifo, Tonga | 87 km / 54 mi | depth 354 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.