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Hawaiian Trough : ウィキペディア英語版 | Hawaiian Trough The Hawaiian Trough, also known as the Hawaiian Deep, is a depression of the sea floor surrounding the Hawaiian Islands, where the massive weight of the island chain downwarps the oceanic lithosphere; surrounding the islands like a moat, it is roughly deep. However, in accordance with the principle of isostasy, the sinking of the lithosphere is balanced by a corresponding rise beyond it, known as the Hawaiian Arch. The arch is lifted above the local seafloor, and has tilted coral reef terraces that used to lie flat.〔 The Big Island itself is still subsiding, at a rate of about per year. ==See also==
*Hawaiian Arch *Submarine landslide
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Hawaiian Trough」の詳細全文を読む
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