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Earthquake · Reviewed by USGS

M4.2 earthquake 112 km WNW of Houma, Tonga

A magnitude 4.2 earthquake struck 112 km WNW of Houma, Tonga at Mar 21, 2026, 22:32 UTC, at a depth of 218 km. The epicentre was 122 km (76 mi) W of Nuku'alofa.

Details

Magnitude4.2 mb
TimeMar 21, 2026, 22:32 UTC
Depth218.4 km
Coordinates-20.969, -176.361
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
4.1155 km W of Houma, Tonga56 km / 35 midepth 237 km
5.047 km NW of Houma, Tonga76 km / 47 midepth 94 km
4.6113 km WNW of Houma, Tonga16 km / 10 midepth 205 km
4.5100 km W of Houma, Tonga12 km / 8 midepth 195 km
4.566 km NW of Houma, Tonga58 km / 36 midepth 113 km
4.697 km WSW of Houma, Tonga60 km / 37 midepth 147 km
4.393 km SW of Houma, Tonga96 km / 60 midepth 133 km
4.449 km WNW of Houma, Tonga64 km / 40 midepth 149 km
4.3110 km WSW of Houma, Tonga74 km / 46 midepth 178 km
4.6106 km WSW of Houma, Tonga58 km / 36 midepth 175 km
5.2121 km WNW of Houma, Tonga35 km / 22 midepth 197 km
4.1105 km NW of Houma, Tonga57 km / 35 midepth 206 km

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