17 Feb 2026, 10:59 UTC · Feb 17, 5:59 AM ET

M4.6 earthquake South Sandwich Islands region

A magnitude 4.6 earthquake struck South Sandwich Islands region at Feb 17, 5:59 AM ET, 10 km deep, light – felt by most people nearby, rattling windows, rarely damage.

M4.5 South Sandwich Islands regionM4.6 South Sandwich Islands regionM4.6 South Sandwich Islands regionM4.7 South Sandwich Islands regionM4.8 South Sandwich Islands regionM4.9 South Sandwich Islands regionM4.9 South Sandwich Islands regionM5.4 South Sandwich Islands region
under 33–44–55–66+
Magnitude4.6 mb
Time17 Feb 2026, 10:59 UTC
Location-57.470°, -30.408° – South Sandwich Islands region
Depth10.0 km
Felt reports0
USGS eventus7000s1s1
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.4South Sandwich Islands region · PAGER greenFeb 16, 10:36 PM
243 d ago
10 km–
4.9South Sandwich Islands regionApr 6, 9:09 AM
194 d ago
10 km–
4.9South Sandwich Islands regionFeb 16, 9:20 PM
243 d ago
10 km–
4.8South Sandwich Islands regionFeb 16, 10:13 PM
243 d ago
10 km–
4.7South Sandwich Islands regionFeb 16, 9:25 PM
243 d ago
10 km–
4.6South Sandwich Islands regionApr 23, 5:08 AM
178 d ago
10 km–
4.5South Sandwich Islands regionFeb 17, 4:44 AM
243 d ago
10 km–
FAQ

About this earthquake

How strong was the South Sandwich Islands region earthquake?

Magnitude 4.6 (mb), light – felt by most people nearby, rattling windows, rarely damage. 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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M4.6 earthquake South Sandwich Islands region — 77.today