28 Jul 2026, 21:32 UTC · Jul 28, 5:32 PM ET

M4.8 earthquake South Sandwich Islands region

A magnitude 4.8 earthquake struck South Sandwich Islands region at Jul 28, 5:32 PM ET, 10 km deep, light – felt by most people nearby, rattling windows, rarely damage.

M4.8 South Sandwich Islands regionM5.0 South Sandwich Islands regionM5.0 South Sandwich Islands regionM5.0 South Sandwich Islands regionM5.1 South Sandwich Islands regionM5.1 South Sandwich Islands regionM5.1 South Sandwich Islands regionM5.2 South Sandwich Islands regionM5.2 South Sandwich Islands regionM5.3 South Sandwich Islands regionM5.4 South Sandwich Islands regionM5.5 South Sandwich Islands regionM5.6 South Sandwich Islands region
under 33–44–55–66+
Magnitude4.8 mb
Time28 Jul 2026, 21:32 UTC
Location-58.943°, -23.969° – South Sandwich Islands region
Depth10.0 km
Felt reports0
USGS eventus6000tghp
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.6South Sandwich Islands region · PAGER greenDec 17, 12:05 PM
303 d ago
35 km–
5.5South Sandwich Islands region · PAGER greenDec 8, 1:41 PM
312 d ago
30 km–
5.4South Sandwich Islands region · PAGER greenSep 19, 5:11 AM
392 d ago
10 km–
5.3South Sandwich Islands regionDec 14, 7:43 PM
306 d ago
72 km–
5.2South Sandwich Islands regionJul 31, 2:58 PM
77 d ago
35 km–
5.2South Sandwich Islands regionOct 21, 2:11 PM
360 d ago
85 km–
5.1South Sandwich Islands regionSep 11, 8:55 PM
35 d ago
10 km–
5.1South Sandwich Islands regionMar 14, 4:34 AM
217 d ago
35 km–
5.1South Sandwich Islands regionSep 23, 1:36 AM
389 d ago
34 km–
5.0South Sandwich Islands regionMay 2, 6:31 AM
167 d ago
26 km–
5.0South Sandwich Islands regionJan 4, 5:35 AM
285 d ago
35 km–
5.0South Sandwich Islands regionDec 23, 7:16 AM
297 d ago
10 km–
FAQ

About this earthquake

How strong was the South Sandwich Islands region earthquake?

Magnitude 4.8 (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?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M5.2.

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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M4.8 earthquake South Sandwich Islands region — 77.today