16 Feb 2026, 14:52 UTC · Feb 16, 9:52 AM ET · PAGER green
M5.7 earthquake South Sandwich Islands region
A magnitude 5.7 earthquake struck South Sandwich Islands region at Feb 16, 9:52 AM ET, 27 km deep, moderate – felt widely, some damage to weak buildings.
How strong was the South Sandwich Islands region earthquake?
Magnitude 5.7 (mww), moderate – felt widely, some damage to weak buildings. Depth 27 km. Strongest estimated shaking: intensity 3.5 on the Modified Mercalli scale.
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.
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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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