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4.3MAG

LIGHT EARTHQUAKE

Fiji region

USGS

A magnitude 4.3 earthquake struck Fiji region on 23 Aug 2026, 21:39 UTC. The hypocentre was 591 km below the surface — deep by seismological convention. 12 other earthquakes above our reporting threshold have been recorded within 250 km in the past 30 days.

Depth
591 km

deep

Latitude
21.69°S

179.05°W longitude

Time
21:39 UTC

23 Aug 2026

Magnitude
M4.3

mb

EPICENTRE

View the official report

MAGNITUDE 4.3

Noticeable shaking of indoor objects. Damage is unlikely.

The scale is logarithmic: this released about 89 times the energy of a magnitude 3.0, roughly the energy of 43 tonnes of TNT.

591 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

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

OTHER RECENT EARTHQUAKES

M4.3 earthquake — Fiji region · Quakewire