EARTHQUAKEM4.7

M4.7 earthquake near Korumburra, Australia

Map: the earthquake near Korumburra, Australia, with plate boundaries

A magnitude 4.7 earthquake struck 5 km (3 mi) north-northwest of Korumburra, Australia on Friday, October 2, 2026 at 16:01 UTC, at a depth of 10 km (6 mi), according to the U.S. Geological Survey. Shallow quakes like this one shake the surface hardest. The nearest city of a million or more people is Melbourne, Australia, about 97 km (60 mi) away.

USGS’s PAGER impact estimate is GREEN: little or no damage expected.

757 people reported feeling it to USGS “Did You Feel It?”.

MagnitudeM4.7
Depth10 km (6 mi)
Time (UTC)Oct 2 16:01
Location38.38°S 145.81°E
Nearest townKorumburra · 5 km
Energy169 tons TNT
Aftershocks M2.5+0
Tsunami flagNo
PAGER alertGREEN
Felt reports757
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Why here?

This earthquake struck about 1,425 km (885 mi) from the nearest major plate boundary, which makes it an intraplate earthquake. These happen on old faults inside a plate, where stress from the plate’s slow movement is released. They are less common, but can surprise areas that rarely feel quakes.

The red lines on the map are plate boundaries.

Shaking and impact

The strongest shaking USGS estimates was intensity 6 on the Modified Mercalli scale: strong. About 31,909 people were exposed to moderate shaking or stronger (intensity 5 and up). USGS’s PAGER system estimates it most likely caused no deaths (95 percent probability). Early estimates are revised as reports come in.

How strong was it?

Magnitude is logarithmic: each whole step releases about 32 times more energy. This magnitude 4.7 released roughly the energy of 169 tons of TNT. That is about 11 times the energy of a magnitude 4.0, a quake people nearby feel but that rarely causes damage. The strongest earthquake ever recorded, magnitude 9.5 in Chile in 1960, released about 16,000,000 times more than this one.

Aftershocks

In the first 24 days after it, USGS recorded no smaller earthquakes of magnitude 2.5 or more within 100 km (62 mi).

Outside the United States, USGS mainly lists quakes of about magnitude 4 and up, so smaller aftershocks there are undercounted.

Earthquake history here

USGS has no record of a magnitude 6 or larger earthquake within 300 km (186 mi) of here since 1900, which makes this a relatively quiet area for large quakes.

Official details, updates and the shaking map: USGS event page.

See every earthquake on October 2, 2026 or earthquakes by day.

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