VilyuchikUs main cone itself dates back to post-glacial times. Northwest of Vilyuchik is located a young basaltic cinder cone called Barkhatnaya Sopka which is situated on an east-west running tectonic line.
Southeast of Vilyuchik is located Vilyuchinskaya bay that flows out into the Pacific. Vilyuchik is located about 40 km southwest of Petropavlovsk - Kamchatka.
Some other volcanoes in this local area are: Mutnovsky, Asacha, and Opala.
Sources of Information:
Sviatolovsky, A. E. 1959 Atlas of Volcanoes of the Soviet Union, USSR Academy of Sciences, Moscow USSR. p167.