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Niʻihau (Hawaiian: [ˈniiˈhɐw]), anglicized as Niihau (/ ˈ n iː (i) h aʊ / NEE-(ee-)how), is the seventh largest island in Hawaii and the westernmost of the main islands. It is 17.5 miles (28.2 km) southwest of Kauaʻi across the Kaulakahi Channel.
It was discovered in 1820 by Captain Joseph Allen of the ship Maro, after whose ship the reef was named. With a total area of 747 square miles (1,935 km 2 ), it is the largest coral reef in the Northwestern Hawaiian Islands.
Hawaii was first discovered and settled by explorers from Tahiti or the Marquesas Islands. The date of the first settlements is a continuing debate. [23] Kirch's textbooks on Hawaiian archeology date the first Polynesian settlements to about 300 C.E., although his more recent estimates are as late as 600. [23]
The largest deposits of these are found in the Pacific Ocean between Mexico and Hawaii in the Clarion Clipperton fracture zone. [107] Deep-sea mining for manganese nodules appears to have drastic consequences for the ocean. It disrupts deep-sea ecosystems and may cause irreversible damage to fragile marine habitats. [108]
Satellite image of the Big Island of Hawaii, the largest island in the United States. Scale depiction of the 5 largest islands in the US, with some other significant islands. This is a list of islands of the United States, as ordered by area. It includes most islands with an area greater than 20 square miles (approximately 52 km 2).
Oceanographers explored an area around the Pacific Ocean’s Nazca Ridge and found a massive underwater mountain. Using a sonar system, the researchers digitally mapped the seafloor of the area ...
Scientists say they've discovered a "mega coral" three times bigger than the previous record holder - so huge they initially thought it was a shipwreck.
A fossil jawbone found by a British girl and her father on a beach in Somerset, England belongs to a gigantic marine reptile dating to 202 million years ago that appears to have been among the ...