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An iceberg in the Arctic Ocean. An iceberg is a piece of fresh water ice more than 15 meters (16 yards) long [1] that has broken off a glacier or an ice shelf and is floating freely in open water. [2] [3] Smaller chunks of floating glacially derived ice are called "growlers" or "bergy bits".
Ice calving, also known as glacier calving or iceberg calving, is the breaking of ice chunks from the edge of a glacier. [1] It is a form of ice ablation or ice disruption. It is the sudden release and breaking away of a mass of ice from a glacier, iceberg, ice front, ice shelf, or crevasse. The ice that breaks away can be classified as an ...
While the audio profile of Bloop does resemble that of a living creature, [4] the source was a mystery both because it was different from known sounds and because it was several times louder than the loudest recorded animal, the blue whale. [5] The NOAA Vents Program has attributed Bloop to a large icequake. Numerous icequakes share similar ...
Iceberg A-74 is an iceberg that calved from the north side of the Antarctic Brunt Ice Shelf in February 2021. Its calving had been anticipated due to large ice rifts that opened up in September 2019 and spread in the Antarctic summer of 2020–21. The iceberg measured 1,270 square kilometres (490 sq mi) soon after calving.
Iceberg B-9B colliding with the Mertz Glacier Tongue calving the Mertz iceberg, 20 February 2010. Iceberg B-9 was an iceberg that calved from Antarctica in 1987. [1] It measured 154 kilometres (96 mi) long and 35 kilometres (22 mi) wide; it had a total area of 5,390 square kilometres (2,080 sq mi), [1] and is one of the longest icebergs ever recorded. [1]
A23a is a large tabular iceberg which calved from the Filchner–Ronne Ice Shelf in 1986. It was stuck on the sea bed for many years but then started moving in 2020. As of January 2025, its area is about 3,500 square kilometres (1,400 sq mi), which makes it the current largest iceberg in the world. [2] [3] [4]
Cryptids are animals or other beings that cryptozoologists believe may exist somewhere in the wild, but whose present existence is disputed or unsubstantiated by science. Cryptozoology is a pseudoscience and has been widely critiqued by scientists.
Grey Glacier is a glacier in the Southern Patagonian Ice Field, just west of the Cordillera del Paine.It flows southward into the lake of the same name. Before dividing in two at its front end, the glacier is 6 kilometers wide and over 30 meters high.