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Shiashkotan
Shiashkotan ((ロシア語:Шиашкотан)); ((日本語:捨子古丹島); Shasukotan-tō) is an uninhabited volcanic island near the center of the Kuril Islands chain in the Sea of Okhotsk in the northwest Pacific Ocean, separated from Ekarma by the Ekarma Strait. Its name is derived from the Ainu language, from “Konbu village”.
==Geology==
Shiashkotan is roughly dumbbell shaped, formed by two volcanic islands joined together by a narrow landspit. The island has a total length of with a width ranging from at its widest point to at its narrowest, and an area of .〔(【引用サイトリンク】title=International Kuril Island Project（IKIP） )〕 Both ends of the island are complex stratovolcanos, and landing is possible only on the sandy isthmus.
* Pik Sinarka ((ロシア語: влк. Синарка); (日本語:黒岳); ''Kurodake''), which rises to above sea level occupies the northern end of the island, and is the island’s highest point. Historical eruptions have occurred at Sinarka during 1825–1750, 1846, 1855, and the last and largest from 1872 to 1878. To the east from this volcano is located interesting geothermal field - North-Western solfatara field with more than 100 fumaroles and several hot, geyser-like springs which erupt water up to 1.5 m high.
* Pik Kuntomintar -((ロシア語: влк.Китаио); (日本語:北硫黄岳); ''Kitaiō-dake''), occupies the southern end of the island. A central cone fills a 4-4.5 kilometer diameter caldera, and there is a second caldera on the west side which is breached to the west. The only known postglacial activity of Kuntomintar is continuous fulmarole activity near the east wall of the inner caldera and a nearby hot sulfur spring.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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