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Don Joao de Castro Bank vulcano

Submarine volcano -13 m / - 43 ft
Azores, Portugal, 38.23°N / -26.63°W
Stato attuale: normal or dormant (1 di 5)

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Stile eruttivo tipico: non specificato
Eruzioni del vulcano Don Joao de Castro Bank: 1720 

Latest nearby earthquakes

Data / oraMag. / ProfonditàDistanzaUbicazione
Mon, 10 May 2021 (GMT) (2 Terremoti)
10 May 2021 12:04:20 GMT
2.9
- Di più
kmNorth Atlantic Ocean, 83 km a ovest da Ponta Delgada, Azores, Portogallo
10 May 2021 12:04:20 GMT
2.8
- Di più
kmNorth Atlantic Ocean, 80 km a nord ovest da Ponta Delgada, Azores, Portogallo
Thu, 6 May 2021 (GMT) (1 terremoto)
6 May 2021 03:54:16 GMT
2.2
- Di più
kmNorth Atlantic Ocean, 63 km a ovest da Ponta Delgada, Azores, Portogallo
Mon, 3 May 2021 (GMT) (1 terremoto)
3 May 2021 11:28:13 GMT
2.2
- Di più
kmNorth Atlantic Ocean, 70 km a nord ovest da Ponta Delgada, Azores, Portogallo
Sat, 1 May 2021 (GMT) (1 terremoto)
1 May 2021 03:07:41 GMT
2.3
- Di più
kmNorth Atlantic Ocean, 75 km a sud-est da Angra do Heroísmo, Portogallo

Sfondo

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
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