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Rumble II West Seamount

Rumble II West

Estratovolcán · New Zealand · 1200 m (submarino)

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
Estratovolcán
País
New Zealand
Región
Tonga-Kermadec Volcanic Regions / Southern Kermadec Volcanic Arc
Altitud
1200 m (submarino)
Coordenadas
-35.353, 178.527
Última erupción
Desconocido
Contexto tectónico
Subduction zone / Oceanic crust (< 15 km)
Forma volcánica
Composite
Roca principal
Andesite / Basaltic Andesite
Resumen geológico

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. Bathymetry shows a 2.5-3 km summit caldera about 200 m deep with a central cone. There is evidence of hydrothermal activity, and cones are present on the flanks. Some lava flows on the western flanks originating from near the caldera rim have little or no sediment cover.

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Enlaces externos

⚠ Solo como referencia. No apto para respuesta ante emergencias.