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

World’s Largest and Oldest Iceberg Floats Free Drifting Into “Iceberg Alley”

In 1986, a massive iceberg, almost five times larger than New York City, calved off West Antarctica’s Filchner-Ronne Ice Shelf. The iceberg, designated A23a, immediately grounded on the floor of the Weddell Sea, where it remained stuck for almost four … Continue reading