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Maui

(Encyclopedia)Maui mouˈē [key], island (1990 est. pop. 82,500), 728 sq mi (1,886 sq km), second largest island in the state of Hawaii, separated from the island of Hawaii by the Alenuihaha Channel and from Moloka...

volcano

(Encyclopedia)volcano, vents or fissures in the earth's crust through which gases, molten rock, or lava, and solid fragments are discharged. Their study is called volcanology. The term volcano is commonly applied b...

Alaska Peninsula

(Encyclopedia)Alaska Peninsula, SW Alaska, extending 500 mi (800 km) SW from the mainland, separating Bristol Bay and the Bering Sea from Cook Inlet, the Shelikof Strait, and Pacific Ocean. The Aleutian Range, runn...

Virunga

(Encyclopedia)Virunga vēro͝ongˈgä [key], volcanic range of mountains, E Congo, N Rwanda, and SW Uganda, central Africa, NE of Lake Kivu. It extends along the eastern rim of the Great Rift Valley and separates t...

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 subordinate amounts o...

California Institute of Technology

(Encyclopedia)California Institute of Technology, at Pasadena, Calif.; originally for men, became coeducational in 1970; founded 1891 as Throop Polytechnic Institute; called Throop College of Technology, 1913–20....

Punchbowl

(Encyclopedia)Punchbowl, hill, 500 ft (152 m) high, in the city of Honolulu, SE Oahu island, Hawaii. In the bowllike extinct volcanic crater at the summit (reached by a scenic drive) is the National Memorial Cemete...

Kings Canyon National Park

(Encyclopedia)Kings Canyon National Park, 461,901 acres (187,070 hectares), E central California. Largely wilderness, the park features summits of the High Sierra and two enormous canyons on the Kings River. Genera...

Diamond Head

(Encyclopedia)Diamond Head, peak, 761 ft (232 m) high, along the rim of an extinct volcano, SE Oahu island, Hawaii. A prominent point in the Honolulu skyline, Diamond Head was designated a national natural landmark...
 

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