Earthquake · Reviewed by USGS

M4.9 earthquake 145 km ESE of Neiafu, Tonga

A magnitude 4.9 earthquake struck 145 km ESE of Neiafu, Tonga at Oct 1, 2026, 08:45 UTC, at a depth of 10 km. The epicentre was 293 km (182 mi) W of Alofi.

Details

Magnitude	4.9 mb
Time	Oct 1, 2026, 08:45 UTC
Depth	10.0 km
Coordinates	-19.141, -172.704
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

Alofi293 km (182 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
4.7	156 km ESE of Neiafu, Tonga	27 km / 17 mi	depth 10 km	Oct 11, 18:06 UTC

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