4 天之前 · Where did A23a come from? In 1986, A23a—icebergs are named sequentially based on the Antarctic quadrant in which they were first seen—calved from the Filchner Ice Shelf. …

2023年12月1日 · The world's largest iceberg, A23a, is moving into the open waters near Antarctica after being essentially stuck in place for decades. It's seen here in satellite imagery …

2024年8月10日 · The world's largest iceberg, A23a, is stuck again. For more than 30 years, the giant frozen block — equivalent to the size of Rhode Island — was grounded on the sea floor …

2024年12月16日 · A23a has held the “largest current iceberg” title several times since the 1980s, occasionally being surpassed by larger but shorter-lived icebergs, including A68 in 2017 and …

2024年8月14日 · The mega iceberg A23a is destined to melt after breaking free from Antarctica in 1986, but this pause in its journey is delaying its fate, experts say

2024年12月20日 · About the size of Rhode Island, the iceberg known as A23a got stuck in an ocean vortex this summer, spinning in place for months. Now, it's free, and heading back into …

2024年12月18日 · A23a, which is often dubbed a "megaberg," has a surface area roughly three times larger than New York City and weighs just under 1 trillion tons.

2024年8月15日 · The colossal iceberg known as A23a has been slowly spinning in one spot of the Southern Ocean since April. Here’s what experts have to say on the phenomenon.

2025年1月23日 · The iceberg, called A23a, was previously “trapped” spinning around an undersea mountain for several months, according to Andrew Meijers, a physical …

2023年11月27日 · Known as A23a, the iceberg has now floated beyond the northernmost point of Antarctica and is on its way to melt in warmer waters. Where is the iceberg now? It is just …