Pogranychny

sopka (bez známé erupce za posledních ~12 000 let), Russia, Northwestern Pacific Volcanic Regions

Kde

Russia, Northwestern Pacific Volcanic Regions

Typ (GVP)

Shield(s)

Nadmořská výška

1 427 m

Poloha

56,850°, 159,800°

Pogranychny is the highest and easternmost of a group of three small Quaternary basaltic to basaltic andesite shield-like volcanoes in the central Sredinny Range about 20 km NE of teh Alney-Chashakondzha complex. A chain of cinder cones extends NNE-SSW across Vodorazdelny at the N to Centralny at the SW. Early geological studies in the Sredinny Range (Ogorodov et al., 1972) assigned Holocene ages based on morphology, but later work noted that these volcanoes appear younger because they have less tephra cover than those in eastern Kamchatka. Researchers such as Pevzner (2006) and Ponomareva et al. (2007) do not consider this volcano to be Holocene.

Text: Smithsonian Global Volcanism Program.

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