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Nyos, Lake

(Encyclopedia) Nyos, LakeNyos, Lakenēōsˈ [key], freshwater lake in a volcanic crater in North-West prov., Cameroon, 15 mi (24 km) ENE of Wum. On Aug. 21, 1986, carbon dioxide gas was released from…

Taal, Lake

(Encyclopedia) Taal, LakeTaal, Laketä–älˈ [key], 103 sq mi (267 sq km), SW Luzon, the Philippines, 40 mi (65 km) S of Manila. One of the most picturesque places in the country, the lake lies within a…

crater

(Encyclopedia) crater, circular, bowl-shaped depression on the earth's surface. (For a discussion of lunar craters, see moon.) Simple craters are bowl-shaped with a raised outer rim. Complex craters…

Cenozoic era

(Encyclopedia) Cenozoic eraCenozoic erasēnəzōˈĭk, sĕn– [key], last major division of geologic time (see Geologic Timescale, tablegeologic timescale, table) lasting from 65 million years ago to the…

Hakone

(Encyclopedia) HakoneHakonehäˌkōˈnā [key], resort region, Kanagawa prefecture, central Honshu, Japan. Famous for its mountains, lakes, and hot springs, it is included in Fuji-Hakone-Izu National Park…

Europa Island

(Encyclopedia) Europa IslandEuropa Islandy&oobreve;rōˈpə [key], volcanic island, c.11 sq mi (28 sq km), between Madagascar and Mozambique in the Mozambique Channel, W Indian Ocean, part of the…

Oreor

(Encyclopedia) OreorOreorôrˈāôrˌ [key] or KororKororkôrˈrôˌ [key], volcanic island (c.3 sq mi/7.8 sq km; 1990 pop. 10,501), Palau, in the W Caroline Islands, W Pacific. Most of the republic's…

Pantelleria

(Encyclopedia) PantelleriaPantelleriapänˈtāl-lārēˈä [key], volcanic island, 32 sq mi (83 sq km), S Italy, in the Mediterranean Sea between Sicily and Tunisia. Sweet wine, capers, raisins, and dried…

Omo

(Encyclopedia) Omo, river, c.500 mi (805 km) long, central and SW Ethiopia. Rising in the highlands south of Mt. Gorochan, some 40 mi (64 km) ENE of Nekemte, it flows generally south, receiving the…

Yellowstone National Park

(Encyclopedia) Yellowstone National Park, 2,219,791 acres (899,015 hectares), the world's first national park (est. 1872), NW Wyo., extending into Montana and Idaho. It lies mainly on a broad plateau…