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Global Volcanism Program | Image GVP-10356

Bolshoi Semiachik is a group of late Pleistocene-Holocene cones and domes located within a large caldera. The massif is seen here from the western rim (Bort ridge). Bolshoi Semiachik volcano is the large late-Pleistocene edifice on the near the center of the horizon. Several Holocene extrusive domes and vigorously active thermal fields are located W and SW of the volcano. Copyrighted photo by Nikolai Smelov (Holocene Kamchataka volcanoes; http://www.kscnet.ru/ivs/volcanoes/holocene/main/main.htm).

Bolshoi Semiachik is a group of late Pleistocene-Holocene cones and domes located within a large caldera. The massif is seen here from the western rim (Bort ridge). Bolshoi Semiachik volcano is the large late-Pleistocene edifice on the near the center of the horizon. Several Holocene extrusive domes and vigorously active thermal fields are located W and SW of the volcano.

Copyrighted photo by Nikolai Smelov (Holocene Kamchataka volcanoes; http://www.kscnet.ru/ivs/volcanoes/holocene/main/main.htm).

Copyrighted image used with permission. All Rights Reserved. Contact photographer for any usage requests.

Galleries: Calderas

Keywords: stratovolcano | caldera


Bolshoi Semiachik