8 Oct 2026, 06:46 UTC · Oct 8, 2:46 AM ET · PAGER green

M5.5 earthquake west of Macquarie Island

A magnitude 5.5 earthquake struck west of Macquarie Island at Oct 8, 2:46 AM ET, 10 km deep, moderate – felt widely, some damage to weak buildings.

M4.4 west of Macquarie IslandM4.6 west of Macquarie IslandM5.0 west of Macquarie IslandM5.5 west of Macquarie Island
under 33–44–55–66+
Magnitude5.5 mww
Time8 Oct 2026, 06:46 UTC
Location-52.547°, 140.212° – west of Macquarie Island
Depth10.0 km
Felt reports0
Max. estimated intensity (MMI)0.0
PAGER alertgreen
USGS eventus6000u0ws
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.0west of Macquarie IslandJul 10, 2:26 PM
98 d ago
10 km–
4.6west of Macquarie IslandJul 2, 5:52 PM
106 d ago
10 km–
4.4west of Macquarie IslandNov 18, 8:52 PM
332 d ago
10 km–
FAQ

About this earthquake

How strong was the west of Macquarie Island earthquake?

Magnitude 5.5 (mww), moderate – felt widely, some damage to weak buildings. Depth 10 km.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

No earthquakes within 100 km have followed so far in our records.

Earthquakes

More

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.

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