Vulcanian eruption of Sakurajima　桜島南岳のブルカノ式噴火

Vulcanian eruption of Sakurajima volcano B-crater. Sound of volcanic bombs hurtling down the steep-sided volcano. 桜島南岳山頂Ｂ火口のブルカノ式噴火。爆発の瞬間に上空の雲がオレンジ色に輝く。山体斜面で砕け散る火山弾の音。