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Bolshoy Kekuknaysky Volcano

Bolshoi-Kekuknaysky

Vulcano a scudo · Russia · 1401 m

Kekuk crater on the lower northern flank of the Bolshoi-Kekuknaysky volcanic complex formed about 7,200 years ago. The 1-km-wide crater formed beside a lava dome (left) which likely was erupted immediately prior to formation of the crater. Bolshoi and Kekuknaysky are two large partially overlapping Pleistocene edifices that contain scoria cones on their flanks.
Kekuk crater on the lower northern flank of the Bolshoi-Kekuknaysky volcanic complex formed about 7,200 years ago. The 1-km-wide crater formed beside a lava dome (left) which likely was erupted immediately prior to formation of the crater. Bolshoi and Kekuknaysky are two large partially overlapping Pleistocene edifices that contain scoria cones on their flanks. · Foto: Copyrighted photo by Adam Kirilenko, 2003.
Tipo
Vulcano a scudo
Paese
Russia
Regione
Northwestern Pacific Volcanic Regions / Central Kamchatka Volcanic Arc
Altitudine
1401 m
Coordinate
56.483, 157.917
Ultima eruzione
-5310
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Shield
Roccia principale
Basalt / Picro-Basalt
Sintesi geologica

Bolshoi (Bolshoy) and Kekuknaysky are two large, partially overlapping basaltic shield volcanoes located NW and NNW, respectively, of Uksichan volcano. The massive Pleistocene shield volcanoes were constructed west of the axis of the Sredinny Range. Hawaiian-type calderas are located at the summits, and their flanks have numerous youthful cinder cones. The summit caldera of Bolshoi is breached by four radial valleys, whereas the 6-km-wide caldera of Kekuknaysky (also known as Leningradets volcano) is breached to the north. Young cinder cones and lava flows are particularly abundant on the NE flank of Kekuknaysky. Kekuk crater on the lower N flank erupted about 7,200 years ago.

Sintesi da Wikipedia

Riassunto in inglese

Bolshoy Kekuknaysky is a volcano located in the central part of the Kamchatka Peninsula, Russia. It comprises two shield volcanoes: Bolshoy (1301 m) and Kekuknaysky (1401 m). Their lava flows and cinder cones have dammed a valley dissecting the mountain, creating the Bolshoye Goltsovoye and Maloye Goltsovoe lakes. The last eruption occurred at Kekuk Crater, about 7,200 years ago.

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Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
5310 BCE~5310 BCE · 1 eruzioni · VEI max. 35310 BCE5310 BCE5309 BCE5309 BCE5309 BCE

Cronologia dettagliata

  1. 5310 a.C. (±100 anni)VEI 3Stima geologica
    BCE 5310 – In corso
    N flank of Kekuknaysky (Kekuk Crater)

Link esterni

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