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[[File:Sif Island.jpg|400px|thumb|Photograph of Sif Island in 2020]] | |||
'''Sif Island''' is an island in [[Pine Island Bay]] of the [[Amundsen Sea]], in [[Westarctica]]. It is 1,150 feet (350 m) long and made of volcanic granite, although it is mostly covered in [[ice]]. It was discovered in February 2020 after the [[Pine Island Glacier]] melted away from around it, and is named after Sif, a goddess associated with the Earth in Norse mythology. It is likely that the island was created due to post-glacial rebound, a process in which retreating [[glacier]]s relieve pressure on the ground, causing it to rise. | '''Sif Island''' is an island in [[Pine Island Bay]] of the [[Amundsen Sea]], in [[Westarctica]]. It is 1,150 feet (350 m) long and made of volcanic granite, although it is mostly covered in [[ice]]. It was discovered in February 2020 after the [[Pine Island Glacier]] melted away from around it, and is named after Sif, a goddess associated with the Earth in Norse mythology. It is likely that the island was created due to post-glacial rebound, a process in which retreating [[glacier]]s relieve pressure on the ground, causing it to rise. | ||