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4.8MAG

LIGHT EARTHQUAKE

292 km WNW of Houma, Tonga

USGS

A magnitude 4.8 earthquake struck 292 km WNW of Houma, Tonga on 01 Sept 2026, 01:29 UTC. The hypocentre was 533 km below the surface — deep by seismological convention. 14 other earthquakes above our reporting threshold have been recorded within 250 km in the past 30 days.

Depth
533 km

deep

Latitude
20.41°S

177.99°W longitude

Time
01:29 UTC

01 Sept 2026

Magnitude
M4.8

mb

EPICENTRE

View the official report

MAGNITUDE 4.8

Noticeable shaking of indoor objects. Damage is unlikely.

The scale is logarithmic: this released about 500 times the energy of a magnitude 3.0, roughly the energy of 239 tonnes of TNT.

533 KM DEEP

Deep earthquakes rarely cause damage. The energy dissipates over hundreds of kilometres before reaching the surface, though it can still be felt far from the epicentre.

NEARBY IN THE PAST 30 DAYS

14 earthquakes above our reporting threshold within 250 km of this one, the largest a magnitude 4.9.

OTHER RECENT EARTHQUAKES

M4.8 earthquake — Houma, Tonga · Quakewire