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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 Sep 20, 2026, 15:33 UTC, at a depth of 513 km. The epicentre was 289 km (180 mi) WNW of Nuku'alofa.

Details

Magnitude4.5 mb
TimeSep 20, 2026, 15:33 UTC
Depth513.3 km
Coordinates-20.373, -177.862
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
4.3289 km W of Houma, Tonga61 km / 38 midepth 463 km
4.6260 km WNW of Houma, Tonga21 km / 13 midepth 513 km
4.6267 km WNW of Houma, Tonga61 km / 38 midepth 557 km
4.2Fiji region94 km / 59 midepth 571 km
4.7Fiji region69 km / 43 midepth 595 km
4.0Fiji region80 km / 50 midepth 581 km
4.0276 km WNW of Houma, Tonga16 km / 10 midepth 534 km

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