(Encyclopedia) Mariana Trench or Marianas Trench,Marianas Trench,mârˌēănˈəz [key], elongated depression on the Pacific Ocean floor, 210 mi (338 km) SW of Guam. It is the deepest known depression on…
(Encyclopedia) KauaiKauaikouˌwīˈ [key], circular island (1990 pop. 51,177), 549 sq mi (1,422 sq km), 32 mi (52 km) in diameter, N Hawaii, separated from Oahu island to the southeast by Kauai Channel…
(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…
(Encyclopedia) OahuOahuōäˈh&oomacr; [key], island (1990 pop. 836,231), 593 sq mi (1,536 sq km), third largest and chief island of Hawaii, part of Honolulu co., between Molokai and Kauai. Oahu is…
(Encyclopedia) Mexico, Span. México or Méjico, state (1990 pop. 9,815,795), 8,286 sq mi (21,461 sq km), S central Mexico. Toluca is the capital. The northern section of the state, containing most of…
(Encyclopedia) KrakatoaKrakatoakrākətōˈə, krä– [key] or KrakatauKrakataukräkätouˈ [key], volcanic island, c.5 sq mi (13 sq km), W Indonesia, in Sunda Strait between Java and Sumatra; rising to 2,667…
(Encyclopedia) NayaritNayaritnäyärētˈ [key], state (1990 pop. 824,643), 10,547 sq mi (27,317 sq km), W Mexico, on the Pacific Ocean. Tepic is the capital. Mostly wild and rugged, Nayarit is broken by…
Information about the deadliest, largest, and most severe earthquakes on record past and present, including the frequency, magnitude, number of earthquakes, and number…
(Encyclopedia) AuvergneAuvergneōvĕrˈnyə [key], former province and former administrative region, S central France. The area is now occupied chiefly by the departments of Puy-de-Dôme, Allier, Haute-…
