12 Aug 2026, 11:49 UTC · Aug 12, 7:49 AM ET

M5.3 earthquake South Sandwich Islands region

A magnitude 5.3 earthquake struck South Sandwich Islands region at Aug 12, 7:49 AM ET, 13 km deep, moderate – felt widely, some damage to weak buildings.

M4.2 South Sandwich Islands regionM4.2 South Sandwich Islands regionM4.3 South Sandwich Islands regionM4.4 South Sandwich Islands regionM5.3 South Sandwich Islands regionM6.0 South Sandwich Islands region
under 33–44–55–66+
Magnitude5.3 mb
Time12 Aug 2026, 11:49 UTC
Location-60.292°, -28.901° – South Sandwich Islands region
Depth13.0 km
Felt reports0
USGS eventus6000tl9v
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
6.0South Sandwich Islands region · PAGER greenAug 12, 7:47 AM
65 d ago
10 km–
4.4South Sandwich Islands regionNov 26, 12:37 PM
324 d ago
10 km–
4.3South Sandwich Islands regionFeb 20, 6:43 AM
238 d ago
10 km–
4.2South Sandwich Islands regionJul 19, 5:22 AM
89 d ago
181 km–
4.2South Sandwich Islands regionJul 13, 12:17 AM
96 d ago
79 km–
FAQ

About this earthquake

How strong was the South Sandwich Islands region earthquake?

Magnitude 5.3 (mb), moderate – felt widely, some damage to weak buildings. Depth 13 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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M5.3 earthquake South Sandwich Islands region — 77.today