World's largest iceberg runs aground in South Atlantic after 1,200-mile journey (satellite photos)

Antarctic iceberg A-23A stuck in shallow waters off the coast of South Georgia island in the South Atlantic Ocean on March 4, 2025, as seen by the MODIS instrument on NASA's Aqua satellite.

Earth's largest iceberg has run aground off the coast of South Georgia Island, a common rendezvous spot for large icebergs, new satellite images show.

Measuring 1,240 square miles (3,460 square kilometers), the Antarctic iceberg A-23A has come to a grinding halt after a long and winding journey across the Scotia Sea, also known as "iceberg alley."