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Geoscience Australia20 Apr 2026

M3.4 earthquake, Nullarbor Plain, SA

A magnitude 3.4 earthquake was recorded in Nullarbor Plain, SA at a depth of 20 km, according to Geoscience Australia. It was the 153rd earthquake of magnitude 2.5 or more Geoscience Australia located in Australia in 2026, against 337 a year on average in 2016-2025.

M3.4

The notice

Issued by
Geoscience Australia
Area
Nullarbor Plain, SA
Magnitude
3.4 (local magnitude)
Depth
19.5 km
Time
2026-04-20 18:41:59 UTC
Status
reviewed by a seismologist
Epicentre
-31.052, 132.048
Official source
Geoscience Australia: the notice at its source

The latest from Geoscience AustraliaEvery warning and recall in Australia

Source: Geoscience Australia: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. © Commonwealth of Australia (Geoscience Australia), CC BY 4.0.

The record around this notice