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)

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Типичный извержения стиль: не уточнено
Don Joao de Castro Bank Вулкан-извержения: 1720 

ВремяМагнитуда / ГлубинаРасстояние/Местоположение
Вторник, 30 ноября 2021 08:48 GMT (1 Землетрясение)
30 ноя 2021 07:48 (GMT -1) (30 ноя 2021 08:48 GMT)
2.3
12 km (7.5 mi)
North Atlantic Ocean, 58 km к юго-востоку от Ангра-ду-Эроишму, Португалия
Суббота, 20 ноября 2021 07:24 GMT (1 Землетрясение)
20 ноя 2021 06:24 (GMT -1) (20 ноя 2021 07:24 GMT)
2.7
22 km (14 mi)
North Atlantic Ocean, 79 km к северо-западу от Понта-Делгада, Португалия
Пятница, 19 ноября 2021 23:39 GMT (2 землетрясения)
19 ноя 2021 22:39 (GMT -1) (19 ноя 2021 23:39 GMT)
2.8
25 km (16 mi)
North Atlantic Ocean, 79 km к северо-западу от Понта-Делгада, Португалия
19 ноя 2021 20:06 (GMT -1) (19 ноя 2021 21:06 GMT)
2.6
18 km (11 mi)
North Atlantic Ocean, 83 km к северо-западу от Понта-Делгада, Португалия

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


See also: Sentinel hub | Landsat 8 | NASA FIRMS
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