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Mota Lava

Motlav

Stratovulcano · Vanuatu · 411 m

The elongated island of Motlav, also referred to as Mota Lava, lies in the northern Banks Islands of Vanuatu. The 12-km-long island is comprised of at least five Pleistocene basaltic stratovolcanoes capped by two well-preserved late-Pleistocene to Holocene pyroclastic cones, Tuntag and Vetnam. The low peak with a shadow above it at the lower left (SW) part of the island is Tuntog, a largely pyroclastic composite cone with a 500-m-wide summit crater. Vetnam pyroclastic cone lies in the center of the island.
The elongated island of Motlav, also referred to as Mota Lava, lies in the northern Banks Islands of Vanuatu. The 12-km-long island is comprised of at least five Pleistocene basaltic stratovolcanoes capped by two well-preserved late-Pleistocene to Holocene pyroclastic cones, Tuntag and Vetnam. The low peak with a shadow above it at the lower left (SW) part of the island is Tuntog, a largely pyroclastic composite cone with a 500-m-wide summit crater. Vetnam pyroclastic cone lies in the center of the island. · Foto: NASA International Space Station image ISS006-E-26739, 2003 (http://eol.jsc.nasa.gov/). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Vanuatu
Regione
Southwestern Pacific Volcanic Regions / Vanuatu Volcanic Arc
Altitudine
411 m
Coordinate
-13.670, 167.670
Ultima eruzione
Sconosciuto
Contesto tettonico
Subduction zone / Intermediate crust (15-25 km)
Forma vulcanica
Composite
Roccia principale
Basalt / Picro-Basalt
Sintesi geologica

The elongated island of Motlav, also referred to as Mota Lava, is comprised of at least five Pleistocene basaltic stratovolcanoes capped by two well-preserved late-Pleistocene to Holocene pyroclastic cones, Tuntog and Vetnam. Tuntog is a largely pyroclastic composite cone at the SW end of the island with a 500-m-wide summit crater. Vetman, in the center of the island, is a pyroclastic cone truncated by a summit crater that is breached on the southern side. The 411-m high point of Motlav is a remnant of older volcanics along the central ridge of the 12-km-long, NE-SW-trending island.

Sintesi da Wikipedia

Mota Lava o Motalava è la terza isola più grande delle isole Banks che, a loro volta, fanno parte della repubblica di Vanuatu nell'Oceano Pacifico.

Wikipedia · CC BY-SA · Leggi l'articolo completo →

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