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Don Joao de Castro Bank вулкан

Submarine volcano -13 m / - 43 ft
Azores, Portugal, 38.23°N / -26.63°W
Текущее состояние: normal or dormant (1 из 5) | Reports
Don Joao de Castro Bank volcano books
Типичный извержения стиль: не уточнено
Don Joao de Castro Bank Вулкан-извержения: 1720 
ВремяМагнитный / ГлубинаРасстояниеМестоположение
Mon, 21 Oct 2019
Mon, 21 Oct 04:11 UTCM 2.027 kmSE Terceira (Portugal)
Mon, 21 Oct 02:20 UTCM 3.128 kmFossa Hirondelle (Portugal)

Справочная информация:

Don Joao de Castro Bank is a large submarine volcano that rises to within 13 m of the sea surface roughly halfway between Terceira and San Miguel Islands. Pillow lavas form the base of the volcano, which is capped by basaltic hyaloclastites. A submarine eruption during December 1720 produced an ephemeral island that attained a length of 1.5 km and an altitude of about 250 m before it was eroded beneath the sea surface two years later. The volcano (also spelled Dom Joao de Castro) was named after the Portuguese hydrographic survey vessel that surveyed the bank in 1941. Two youthful parasitic craters, one tephra covered and the other sediment free, are located on the NW flank. The submarine volcano has an impressive shallow fumarole field and remains seismically active.
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Smithsonian / GVP volcano information


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