iceberg b-15 was the world's largest recorded iceberg. it measured around long and wide, with a surface area of —larger than the whole island of jamaica. calved from the ross ice shelf of antarctica in march 2000, iceberg b-15 broke up into smaller icebergs, the largest of which was named iceberg b-15a. in 2003, b-15a drifted away from ross island into the ross sea and headed north, eventually breaking up into several smaller icebergs in october 2005. as of 2018, a large piece of the original iceberg was steadily moving northward, located between the falkland islands and south georgia island.