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Bolshoi Semiachik Volcano - John Seach
Kamchatka, Russia
54.32 N, 160.02 E
summit elevation 1720 m
Stratovolcanoes
Bolshoi Semiachik Volcano is located in eastern Kamchatka.
Strong hydrothermal activity occurs outside the 20 km x 30 km caldera.
Bolshoi Semiachik Volcano Eruptions
4450 BC?