20 Dec 2025, 20:50 UTC · Dec 20, 3:50 PM ET

M4.5 earthquake Balleny Islands region

A magnitude 4.5 earthquake struck Balleny Islands region at Dec 20, 3:50 PM ET, 11 km deep, light – felt by most people nearby, rattling windows, rarely damage.

M4.3 Balleny Islands regionM4.5 Balleny Islands regionM4.5 Balleny Islands regionM4.5 Balleny Islands regionM4.6 Balleny Islands regionM5.2 Balleny Islands regionM5.3 Balleny Islands regionM5.6 Balleny Islands region
under 33–44–55–66+
Magnitude4.5 mb
Time20 Dec 2025, 20:50 UTC
Location-63.835°, 173.018° – Balleny Islands region
Depth11.2 km
Felt reports0
USGS eventus7000rpmn
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.6Balleny Islands region · PAGER greenDec 20, 1:57 AM
301 d ago
10 km–
5.3Balleny Islands regionDec 20, 5:25 AM
300 d ago
10 km–
5.2Balleny Islands regionSep 30, 3:07 AM
17 d ago
10 km–
4.6Balleny Islands regionDec 19, 9:50 AM
301 d ago
10 km–
4.5Balleny Islands regionJan 8, 11:05 PM
281 d ago
10 km–
4.5Balleny Islands regionDec 19, 8:51 AM
301 d ago
10 km–
4.3Balleny Islands regionDec 20, 11:20 AM
300 d ago
10 km–
FAQ

About this earthquake

How strong was the Balleny Islands region earthquake?

Magnitude 4.5 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 11 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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M4.5 earthquake Balleny Islands region — 77.today