the phenomena connected with volcanoes and volcanic activity. Also vulcanism. —volcanist, n.volcanologyGeology. the scientific study of volcanoes and volcanic phenomena. Also vulcanology. —volcanologist, n. —volcanologic, volcanological, adj.
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Extinct volcanoes are numerous in several of the ranges, e.g.
On the Pacific slope extinct volcanoes (mentioned in Chinese annals) have been reported in the Ilkhuri-alin mountains in northern Manchuria.
It is along the western side of the northern half of the chain that the line of volcanic action is apparent; the islands here (of which some are active volcanoes) are lofty.
Since the Rev. William Ellis and a party of American missionaries first made the volcano known to the civilized ' Among the minqr phenomena of Hawaiian volcanoes are the delicate glassy fibres called Pele's hair by the Hawaiians, which are spun by the wind from the rising and falling drops of liquid lava, and blown over the edge or into the crevices of the crater.
In all these cases, however, the eruptions have now almost ceased; and the great volcanoes of the present day lie in the islands off the eastern and south-eastern coasts.