Don Joao de Castro Bank Vulkan
Submarine volcano -13 m / - 43 ft
Azores, Portugal, 38.23°N / -26.63°W
Aktueller Status: normal / ruhend (1 von 5) | Berichte
Don Joao de Castro Bank Vulkan-B cher
Azores, Portugal, 38.23°N / -26.63°W
Aktueller Status: normal / ruhend (1 von 5) | Berichte
Don Joao de Castro Bank Vulkan-B cher
Typische Aktivität: unspecified
Ausbrüche des Don Joao de Castro Bank: 1720
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Ausbrüche des Don Joao de Castro Bank: 1720
| Uhrzeit | Mag. / Tiefe | Distance | Ort |
| Fri, 12 Jul 2019 | |||
| Fri, 12 Jul 04:36 UTC | M 2.1 | 9 km | SW Banco D. Joao de Castro (Portugal) |
| Fri, 12 Jul 02:24 UTC | M 2.3 | 4 km | Banco D. Joao de Castro (Portugal) |
| Thu, 11 Jul 2019 | |||
| Thu, 11 Jul 04:53 UTC | M 2.0 | 25 km | Fossa Hirondelle (Portugal) |
| Mon, 8 Jul 2019 | |||
| Mon, 8 Jul 04:51 UTC | M 2.3 | 11 km | Fossa Hirondelle (Portugal) |
| Sun, 23 Jun 2019 | |||
| Sun, 23 Jun 10:39 UTC | M 2.3 | 15 km | Fossa Hirondelle (Portugal) |
Beschreibung:
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.---
Smithsonian / GVP volcano information
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