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Nuova Zelanda · Stratovulcano

Rumble II West Seamount

Rumble II West

Tipo
Stratovulcano
Altitudine
1200 m (sottomarino)
Ultima eruzione
Sconosciuto
A bathymetric map was made during a 2009 voyage on the research vessel R/V Thompson of Rumble II West submarine volcano. Located NW of Rumble II East, Rumble II West, with a summit depth of 1,200 m, is the deepest of the Rumble group of seamounts, but displays evidence of hydrothermal activity. It contains a 2.5-3 km wide summit caldera about 200 m deep with a central cone. Recent lava flows originating from near the caldera rim with little or no sediment cover are on the S flanks.
A bathymetric map was made during a 2009 voyage on the research vessel R/V Thompson of Rumble II West submarine volcano. Located NW of Rumble II East, Rumble II West, with a summit depth of 1,200 m, is the deepest of the Rumble group of seamounts, but displays evidence of hydrothermal activity. It contains a 2.5-3 km wide summit caldera about 200 m deep with a central cone. Recent lava flows originating from near the caldera rim with little or no sediment cover are on the S flanks. · Foto: Photo courtesy of New Zealand Institute of Geology and Nuclear Sciences, 2009.
Tipo
Stratovulcano
Paese
Nuova Zelanda
Regione
Tonga e Kermadec / Southern Kermadec Volcanic Arc
Altitudine
1200 m (sottomarino)
Coordinate
-35.353, 178.527
Ultima eruzione
Sconosciuto
Contesto tettonico
Zona di subduzione / Crosta oceanica (< 15 km)
Forma vulcanica
Composito
Roccia principale
Andesite / Andesite basaltica

Sintesi geologica

Originale in inglese

Rumble II West, about 12 km NW of Rumble II East, rises 1,800 m from the ocean floor to within 1,200 m of the surface.

Estratto dal Global Volcanism Program, Smithsonian Institution · Leggi la sintesi completa sul GVP →

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