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Earthquake · Reviewed by USGS

M4.9 earthquake 75 km NNW of Nuku‘alofa, Tonga

A magnitude 4.9 earthquake struck 75 km NNW of Nuku‘alofa, Tonga at Dec 18, 2025, 03:54 UTC, at a depth of 173 km. The epicentre was 76 km (47 mi) NNW of Nuku'alofa.

Details

Magnitude4.9 mb
TimeDec 18, 2025, 03:54 UTC
Depth173.0 km
Coordinates-20.474, -175.369
Felt reports0
Tsunami flagNone
SourceUSGS event page
Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
MagnitudeLocationDistanceDepthTime
5.047 km NW of Houma, Tonga53 km / 33 midepth 94 km
4.4165 km NNW of Houma, Tonga96 km / 60 midepth 181 km
4.1142 km W of Pangai, Tonga83 km / 52 midepth 220 km
4.6131 km W of Pangai, Tonga98 km / 61 midepth 273 km
4.566 km NW of Houma, Tonga62 km / 38 midepth 113 km
4.583 km WSW of Pangai, Tonga55 km / 34 midepth 112 km
5.065 km WSW of Pangai, Tonga63 km / 39 midepth 49 km
5.078 km WNW of Pangai, Tonga99 km / 62 midepth 10 km
4.588 km NNW of Houma, Tonga24 km / 15 midepth 142 km
4.449 km WNW of Houma, Tonga74 km / 46 midepth 149 km
4.2160 km NNW of Houma, Tonga91 km / 57 midepth 217 km
4.1105 km NW of Houma, Tonga72 km / 45 midepth 206 km
4.664 km WSW of Pangai, Tonga74 km / 46 midepth 78 km
4.550 km WNW of Houma, Tonga74 km / 46 midepth 160 km
4.7128 km NNW of Houma, Tonga63 km / 39 midepth 186 km

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.