Earthquake · Reviewed by USGS
M4.3 earthquake 171 km W of Neiafu, Tonga
A magnitude 4.3 earthquake struck 171 km W of Neiafu, Tonga at May 18, 2026, 07:45 UTC, at a depth of 197 km. The epicentre was 282 km (175 mi) N of Nuku'alofa.
Details
| Magnitude | 4.3 mb |
|---|---|
| Time | May 18, 2026, 07:45 UTC |
| Depth | 197.4 km |
| Coordinates | -18.627, -175.613 |
| 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 |
|---|---|---|---|---|
| 4.5 | 159 km W of Neiafu, Tonga | 24 km / 15 mi | depth 257 km | |
| 5.5 | 122 km W of Neiafu, Tonga | 50 km / 31 mi | depth 195 km | |
| 4.5 | 121 km NW of Fangale’ounga, Tonga | 63 km / 39 mi | depth 114 km | |
| 4.0 | 189 km W of Neiafu, Tonga | 19 km / 12 mi | depth 284 km | |
| 4.6 | 160 km W of Neiafu, Tonga | 14 km / 9 mi | depth 208 km | |
| 4.0 | 147 km W of Neiafu, Tonga | 34 km / 21 mi | depth 228 km | |
| 4.1 | 178 km W of Neiafu, Tonga | 19 km / 12 mi | depth 271 km | |
| 4.1 | 160 km W of Neiafu, Tonga | 27 km / 17 mi | depth 272 km | |
| 4.5 | 165 km W of Neiafu, Tonga | 19 km / 12 mi | depth 254 km | |
| 4.2 | 137 km NW of Fangale’ounga, Tonga | 52 km / 32 mi | depth 278 km | |
| 4.2 | 163 km WNW of Pangai, Tonga | 81 km / 51 mi | depth 252 km | |
| 4.2 | 186 km W of Neiafu, Tonga | 27 km / 17 mi | depth 281 km | |
| 4.6 | 140 km WNW of Fangale’ounga, Tonga | 53 km / 33 mi | depth 183 km | |
| 4.6 | 158 km W of Neiafu, Tonga | 18 km / 11 mi | depth 222 km | |
| 4.1 | 182 km NW of Fangale’ounga, Tonga | 26 km / 16 mi | depth 279 km | |
| 4.2 | 173 km WNW of Pangai, Tonga | 65 km / 40 mi | depth 250 km | |
| 4.2 | 179 km W of Neiafu, Tonga | 7 km / 5 mi | depth 275 km | |
| 4.2 | 158 km WNW of Neiafu, Tonga | 78 km / 48 mi | depth 229 km | |
| 4.5 | 174 km W of Neiafu, Tonga | 5 km / 3 mi | depth 275 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.