Photo Gallery: Volcanoes

Perched above the lighted city of Catania, Italy, Mount Etna hurls a fountain of fire skyward as rivers of lava spill down its flanks. In spite of its dazzling displays, Mount Etna is a relatively safe volcano with rare, compact eruptions and slow-flowing lava that gives people a chance to escape.

viMory:   perch  栖息   flank  侧面

The Pacific smolders as lava from Hawaii's Kilauea Volcano hits the ocean. Kilauea is a shield volcano, or a low, gently sloping volcano built almost entirely from basaltic lava flows. It is one of five such volcanoes that make up Hawaii's Big Island.

viMory:  smolder   无火焰的闷烧   lava   熔岩    basaltic  玄武岩的

A stream of neon-orange lava cascades down Ol Doinyo Lengai, in Tanzania’s Great Rift Valley. Ol Doinyo Lengai, "Mountain of God" in the language of the Maasai, is the only volcano in the world erupting natrocarbonatite lava, an extremely fluid lava that contains almost no silicon.

viMory: neon  氖     cascades 叶脉   natrocarbonatite lava  钠质碳酸盐熔岩