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Earthquake · Reviewed by USGS

M4.5 earthquake 276 km WNW of Houma, Tonga

A magnitude 4.5 earthquake struck 276 km WNW of Houma, Tonga at Aug 15, 2026, 04:31 UTC, at a depth of 543 km. The epicentre was 286 km (177 mi) WNW of Nuku'alofa.

Details

Magnitude4.5 mb
TimeAug 15, 2026, 04:31 UTC
Depth543.1 km
Coordinates-20.473, -177.855
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, Tonga51 km / 32 midepth 463 km
4.5Fiji region98 km / 61 midepth 552 km
4.6260 km WNW of Houma, Tonga22 km / 14 midepth 513 km
4.6267 km WNW of Houma, Tonga70 km / 43 midepth 557 km
4.2Fiji region89 km / 55 midepth 571 km
4.2260 km W of Houma, Tonga98 km / 61 midepth 432 km
4.7Fiji region66 km / 41 midepth 595 km
4.0Fiji region78 km / 48 midepth 581 km
4.5280 km WNW of Houma, Tonga11 km / 7 midepth 513 km
4.0276 km WNW of Houma, Tonga25 km / 16 midepth 534 km
4.1256 km WNW of Houma, Tonga27 km / 17 midepth 423 km
4.6Fiji region37 km / 23 midepth 502 km
5.0Fiji region28 km / 17 midepth 536 km
4.3255 km W of Houma, Tonga95 km / 59 midepth 391 km
4.9265 km WNW of Houma, Tonga16 km / 10 midepth 519 km
4.4278 km NW of Houma, Tonga95 km / 59 midepth 541 km
4.2280 km WNW of Houma, Tonga40 km / 25 midepth 506 km
4.5280 km WNW of Houma, Tonga53 km / 33 midepth 408 km

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