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Blue Mountains, United States

(Encyclopedia) Blue Mountains, uplifted, eroded part of the Columbia Plateau, c.6,500 ft (1,980 m) high, NE Oreg. and SE Wash. Lava flows cover much of the surface. The upper, wooded slopes are used…

Saint-Pierre town, Martinique

(Encyclopedia) Saint-PierreSaint-PierresăN pyĕr [key], town (1990 est. pop. 5,550), Martinique, West Indies. Founded by Esnambuc in 1635 and once the chief commercial city of the island, it was…

Damavand

(Encyclopedia) Damavand or DemavendDamavandboth: dĕmˈəvĕnd [key], volcanic cone, 18,606 ft (5,671 m) high, in the Elburz range, N Iran. A permanently snow-covered volcano of recent geologic origin,…

Klamath Falls

(Encyclopedia) Klamath Falls, city (1990 pop. 17,737), seat of Klamath co., SW Oreg., at the southern tip of Upper Klamath Lake; inc. 1905. It is the processing and distribution center of a lumber,…

Parícutin

(Encyclopedia) ParícutinParícutinpärēˈk&oomacr;tēn [key], active volcano, c.8,200 ft (2,500 m) high, Michoacán state, W central Mexico. In one of the most spectacular eruptions of modern times,…

Sakurajima

(Encyclopedia) SakurajimaSakurajimasäk&oomacr;ˈräˈjĭmä [key], peninsula, Kagoshima prefecture, S Kyushu, Japan, in Kagoshima Bay opposite Kagoshima. Formerly an island, Sakurajima became a…

rhyolite

(Encyclopedia) rhyolite, fine-grained light-colored acidic volcanic rock. Rhyolite is chemically the equivalent of granite, and is thus composed primarily of quartz and orthoclase feldspar with…

Santa María, volcano, Guatemala

(Encyclopedia) Santa MaríaSanta Maríasänˈtä märēˈä [key], active volcano, 12,375 ft (3,772 m) high, SW Guatemala, in the Sierra Madre near the city of Quetzaltenango. Its eruption in 1902 was one of…

Katmai National Park and Preserve

(Encyclopedia) Katmai National Park and PreserveKatmai National Park and Preservekătˈmī [key], at the northern end of the Alaska Peninsula on Shelikof Strait, S Alaska, comprising Katmai National…

Mauna Loa

(Encyclopedia) Mauna LoaMauna Loamouˈnə lōˈə [key], volcano, 13,680 ft (4,170 m) high, in the S central part of the island of Hawaii, in Hawaii Volcanoes National Park, the largest active volcano in…