6.7 magnitude earthquake strikes South Shetland Islands; no tsunami threat reported.

Exam-focused facts from the 21 March 2026 current affairs briefing.

Key facts

A magnitude 6.7 earthquake struck the South Shetland Islands of Antarctica on Thursday.
The German Research Centre for Geosciences (GFZ) reported the quake occurred at a depth of 10 km.
No immediate reports of damage or casualties were received.
The US Tsunami Warning System stated no tsunami is expected for US Atlantic, Gulf or Pacific coasts.