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4.5MAG

LIGHT EARTHQUAKE

south of the Fiji Islands

USGS

A magnitude 4.5 earthquake struck south of the Fiji Islands on 31 Aug 2026, 04:38 UTC. The hypocentre was 508.3 km below the surface — deep by seismological convention. 5 other earthquakes above our reporting threshold have been recorded within 250 km in the past 30 days.

Depth
508.3 km

deep

Latitude
25.21°S

179.80°E longitude

Time
04:38 UTC

31 Aug 2026

Magnitude
M4.5

mb

EPICENTRE

View the official report

MAGNITUDE 4.5

Noticeable shaking of indoor objects. Damage is unlikely.

The scale is logarithmic: this released about 180 times the energy of a magnitude 3.0, roughly the energy of 85 tonnes of TNT.

508.3 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

5 earthquakes above our reporting threshold within 250 km of this one, the largest a magnitude 5.5.

OTHER RECENT EARTHQUAKES

M4.5 earthquake — south of the Fiji Islands · Quakewire