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Kavachi
Kavachi is one of the most active submarine volcanoes in the south-west Pacific Ocean. Located south of Vangunu Island in the Solomon Islands, it is named after a sea god of the New Georgia Group islanders, and is also referred to locally as Rejo te Kavachi ("Kavachi's oven’). The volcano has become emergent and then been eroded back into the sea at least eight times since its first recorded eruption in 1939.
In May 2000, an international research team aboard the CSIRO research vessel FRANKLIN fixed the position of the volcano at 8° 59.65'S, 157° 58.23'E. At that time the vent of the volcano was below sea level, but frequent eruptions ejected molten lava up to 70m above sea level, and sulfurous steam plumes up to 500m. The team mapped a roughly conical feature rising from 1,100 m water depth, with the volcano having a basal diameter of about 8 km.〔(【引用サイトリンク】 title=Fiery birth of new Pacific Island )〕
When the volcano erupted in 2003, a 15-meter-high island formed above the surface, but it disappeared soon after. Additional eruptive activity was observed and reported in March 2004 and April 2007.〔(【引用サイトリンク】 title=Kavachi Submarine Volcano )〕
In 2015, marine wildlife has been found living inside the Kavachi crater, including two species of sharks and a sixgill stingray.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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