A23a, World’s Largest & Oldest Iceberg, Runs Aground 50 Miles Off South Georgia Island

The world’s largest and oldest iceberg, designated A23a, has run aground in shallow water approximately 50 miles off the remote British island of South Georgia, in the South Atlantic. The island is home to millions of penguins and seals. The … Continue reading

World’s Largest Iceberg, A23a, Eroding & Melting Rapidly as it Drifts into Warmer Water

In 1986, a massive iceberg, more than three times larger than New York City, calved off West Antarctica’s Filchner-Ronne Ice Shelf and immediately grounded on the floor of the Weddell Sea, where it remained stuck for almost four decades. In … Continue reading

Norwegian Sun Alaskan Cruise Cut Short After Hitting Small Iceberg

Norwegian Cruise Line reports that the cruise ship Norwegian Sun hit a small iceberg on Saturday while underway in foggy conditions near Hubbard Glacier in Alaska. The company characterized the berg as a growler, a type of very small iceberg that … Continue reading

Update: Massive Iceberg Threatening South Georgia Island Now Breaking Up

In November we posted that the world’s largest iceberg, dubbed A68a, was drifting on a collision course with the island of South Georgia. The iceberg calved from Antarctica’s Larsen C ice-shelf in 2017. The berg weighed roughly one trillion tons … Continue reading