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New Zealand · Stratovolcano

Rumble II West Seamount

Rumble II West

Type
Stratovolcano
Elevation
1200m (submarine)
Last eruption
Unknown
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. · Photo: Photo courtesy of New Zealand Institute of Geology and Nuclear Sciences, 2009.
Type
Stratovolcano
Country
New Zealand
Region
Tonga & Kermadec / Southern Kermadec Volcanic Arc
Elevation
1200m (submarine)
Coordinates
-35.353, 178.527
Last eruption
Unknown
Tectonic setting
Subduction zone / Oceanic crust (< 15 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite

Geological summary

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.

Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →

Eruption history

Glossary

Detailed timeline

No eruption records available.

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.