St. Andrew Strait

sopka – Complex, Papua New Guinea, Southwestern Pacific Volcanic Regions

Kde

Papua New Guinea, Southwestern Pacific Volcanic Regions

Typ (GVP)

Complex

Nadmořská výška

270 m

Tektonické prostředí

Subduction zone / Oceanic crust (< 15 km)

Poslední známá erupce

1957

Poloha

-2,380°, 147,350°

The St. Andrew Strait volcano, located in the Admiralty Islands north of Papua New Guinea, consists of a series of overlapping Quaternary cones formed by rhyolitic lava flows and pyroclastic materials on Lou and Tuluman Islands. Volcanism is aligned on a curved arc extending through the 12-km-long Lou Island. The Tuluman Islands, 1.5 km S of Lou Island, were formed during a 1953-1957 eruption. Pam Lin and Pam Mandian Islands farther to the SE along the same arc contain fresh rhyolitic obsidian similar to that found on Tuluman.

Text: Smithsonian Global Volcanism Program.

Údaje o sopce: Smithsonian Global Volcanism Program. Další sopky a průduchy.