The active volcano of Ceboruco rises in the western part of the territory.
Sulphur dioxide and sulphuretted hydrogen are present in volcanic exhalations and in many mineral waters.
At the time of its greatest dimensions the volcano was perhaps twice as high as it is now.
The central core, which consists of several steep pyramids, is that of a very denuded old volcano, which when its crater was complete may have reached 2000 ft.
Breislak also published an essay on the physical condition of the seven hills of Rome, which he regarded as the remains of a local volcano, - an opinion shown to be erroneous by the later researches of G.
The hot baths of Chillan, in the eastern part of the province on the slope of the volcano of that name, about 7000 ft.
North and north-west the lake is closed in by the volcanic Buru hills; to the south towers the extinct volcano of Longonot.
Slope of the extinct volcano Ala-geuz, according to legend, built by Armais, a grandson of Haik, in 1980 B.C., and the capital of the Armenian kings till the and century A.D.
It is upon the line of the rim of the inner crater of the great volcano, while Tusculum and Algidus Mons mark the edge of the earlier outer crater, which was about 7 m.
The boundary between Russian and Turkish Armenia, having Ararat at its eastern extremity and the extinct volcano of Kessa-dagh (11,260 ft.) at its western.
East of the town rises Mayon, an active volcano, and the rich volcanic soil in this region produces hemp, rice and coco-nuts.
Farther north the Misti volcano rises over the city of Arequipa in a perfect cone to a height of over 20,013 ft., and near its base are the hot sulphur and iron springs of Yura.
Aso-take is still an active volcano, but its eruptions during recent years have been confined to ashes and dust.
Izuno Oshima (Vries The volcano on this island is called Island) (lIti) 2461.
2 Port Lloyd, the chief anchorage (situated on Peel Island), is considered by Commodore Perry - who visited the islands in 1853 and strongly urged the establishment of a United States coaling station there - to have been formerly the crater of a volcano from which the surrounding hills were thrown up, the entrance to the harbour being a fissure through which lava used to pour into the sea.
Coast of the South Andaman; the remarkable marine volcano, Barren Island (1 so ft.), quiescent for more than a century, 71 m.
Many regard them as products of an extinct volcano; according to others they are of vegetable origin (they are found in conjunction with gypsum).
The whole series was evidently deposited in shallow water on the summit of a submarine volcano standing in its present isolation, and round which the ocean floor has probably altered but a few hundred feet since the Eocene age.
Immediately from the shores, while the mountains of Tongariro, Ngauruhoe, an active volcano, and Ruapehu, a snow-clad peak, back the view to the south and mark the limit of the great volcanic line which extends 160 m.
Popa, a detached peak in the Myingyan district, belongs to this system and rises to a height of nearly 5000 f t., but it is interesting mainly as an extinct volcano, a landmark and an object of superstitious folklore, throughout the whole of Central Burma.
North-north-east of Yenangyaung the extinct volcano of Popa rises to a height of 3000 ft.
An extinct volcano occurs at Aden, and volcanic rocks are found at other places near the Straits of Bab-el-Mandeb.
The Nevado de Toluca, an extinct volcano, rises to a height of 14,950 ft.
Chief among them are the snowy peak of Lirima (19,128 ft.) over the ravine of Tarapaca, the volcano of Isluga overhanging Camilla, the Bolivian peak of Sajama, and Tocora (19,741 ft.) near the Bolivian frontier.
Hence the mountain has served as a type for the general popular conception of a volcano, and its history has supplied a large part of the information on which geological theories of volcanic action have been based.
But the bundant steam given off by the volcano seems to have con- c ensed into copious rain, which, mixing with the light volcanic V
Ily increasing in violence, the volcano burst into renewed ~
Vast p PRINTED If ouds of dust and stones, blown out of the crater and funnel of ie volcano, were hurled into the air and carried for hundreds miles, the finer particles falling to the earth even.
The numerous deep ravines which indented the des of the prehistoric volcano, and still form a marked feature I the outer slopes of Somma, have on the south side served channels to guide the currents of lava from the younger)ne.
On one of the ridges Itween these radiating valleys an observatory for watching ie progress of the volcano was established by the Neapolitan)vernment, and is still supported as a national institution.
The best known are Chiokai-zan, called Akita-Fuji (the Fuji of the Akita province), a volcano 7077 ft.