Earthquake · Reviewed by USGS

M4.1 earthquake 155 km W of Houma, Tonga

A magnitude 4.1 earthquake struck 155 km W of Houma, Tonga at Oct 5, 2026, 15:40 UTC, at a depth of 237 km. The epicentre was 166 km (103 mi) W of Nuku'alofa.

Details

Magnitude	4.1 mb
Time	Oct 5, 2026, 15:40 UTC
Depth	236.7 km
Coordinates	-21.276, -176.792
Felt reports	0
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

Nuku'alofa166 km (103 mi)

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
4.3	213 km WSW of Houma, Tonga	69 km / 43 mi	depth 271 km	Oct 18, 15:39 UTC

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