21 Apr 2026, 10:30 UTC · Apr 21, 6:30 AM ET · PAGER green

M5.7 earthquake Balleny Islands region

A magnitude 5.7 earthquake struck Balleny Islands region at Apr 21, 6:30 AM ET, 10 km deep, moderate – felt widely, some damage to weak buildings.

M4.5 Balleny Islands regionM4.7 Balleny Islands regionM5.2 Balleny Islands regionM5.3 Balleny Islands regionM5.3 Balleny Islands regionM5.7 Balleny Islands region
under 33–44–55–66+
Magnitude5.7 mww
Time21 Apr 2026, 10:30 UTC
Location-62.306°, 165.527° – Balleny Islands region
Depth10.0 km
Felt reports0
Max. estimated intensity (MMI)0.0
PAGER alertgreen
USGS eventus6000srtd
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.3Balleny Islands regionSep 27, 11:41 AM
19 d ago
10 km–
5.3Balleny Islands regionAug 14, 8:40 PM
63 d ago
10 km–
5.2Balleny Islands region · PAGER greenMar 16, 9:01 AM
214 d ago
10 km–
4.7Balleny Islands regionJul 19, 6:18 PM
89 d ago
10 km–
4.5Balleny Islands regionSep 16, 5:29 PM
30 d ago
10 km–
FAQ

About this earthquake

How strong was the Balleny Islands region earthquake?

Magnitude 5.7 (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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M5.7 earthquake Balleny Islands region — 77.today