Don Joao de Castro Bank Vulkan
Aktualisiert: 9. Feb. 2023 13:10 GMT -
Submarine volcano -13 m / - 43 ft
Azores, Portugal, 38.23°N / -26.63°W
Aktueller Status: normal / ruhend (1 von 5)
Azores, Portugal, 38.23°N / -26.63°W
Aktueller Status: normal / ruhend (1 von 5)
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Ausbrüche des Don Joao de Castro Bank: 1720
Letzte Erdbeben in der Nähe
| Uhrzeit | Mag. / Tiefe | Entfernung/Ort | ||
| Samstag, 28. Januar 2023 GMT (1 Beben) | ||||
| 28. Jan. 2023 10:55 (GMT -1) (28. Jan. 2023 11:55 GMT) | 2.5 | 25 km (16 mi) North Atlantic Ocean, 48 km südöstlich von Angra do Heroísmo, 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
See also: Sentinel hub | Landsat 8 | NASA FIRMS
