Update: Earthquake of 6.5 magnitude reported near South Shetland Islands on March 20

Published Apr 13, 2026

A 6.5 magnitude quake occurred near South Shetland Islands on Friday evening, according to the U.S. Geological Survey.

The tremor hit at 00:22 UTC (20:22 local time), with its epicenter of South Shetland Islands and a depth of 21 km. Seismologists first reported it as a 7.0 event, but later downgraded it to 6.5.

Did you feel it?

If you experienced the earthquake, you can share your observations using the USGS Felt Report form.

Impact and estimated losses

The USGS categorized this as a Green Alert, which means there is a low likelihood of casualties and damage.

Structure information summary
Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist.

Source: The U.S. Geological Survey