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4.7MAG

LIGHT EARTHQUAKE

98 km S of Encounter Bay, Australia

USGS

A magnitude 4.7 earthquake struck 98 km S of Encounter Bay, Australia on 26 Oct 2026, 21:18 UTC. The hypocentre was 10 km below the surface — shallow by seismological convention. The figures have been revised 2 times since the first report.

Depth
10 km

shallow

Latitude
36.46°S

138.53°E longitude

Time
21:18 UTC

26 Oct 2026

Magnitude
M4.7

mb

EPICENTRE

View the official report↗

MAGNITUDE 4.7

Noticeable shaking of indoor objects. Damage is unlikely.

The scale is logarithmic: this released about 350 times the energy of a magnitude 3.0, roughly the energy of 169 tonnes of TNT.

10 KM DEEP

Shallow earthquakes release their energy close to the surface, so they are felt more strongly, and do more damage, than deeper earthquakes of the same magnitude.

OTHER RECENT EARTHQUAKES

M4.7 earthquake — Encounter Bay, Australia · Quakewire