Pahoehoe lava Pahoehoe lava flow from Kilauea Volcano Hawaii USA This thick ropylooking lava may flow at speeds of up to kilometres per hour Pahoehoe lava is a type of basic lava with a low silica content giving it a low melting point This means the lava can travel great distances from the crater or vent from which it was issued Photographed in Hawaii Volcanoes National Park
