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The Bering Strait ((ロシア語:Берингов пролив), ''Beringov proliv'', Yupik: ''Imakpik''〔Forbes, Jack D. 2007. ''The American Discovery of Europe''. Urbana: University of Illinois Press, pp. 84 ff., 198,〕〔Stuckey, M., & J. Murphy. 2001. By Any Other Name: Rhetorical Colonialism in North America. ''American Indian Culture, Research Journal'' 25(4): 73–98, p. 80.〕) is a strait connecting the Pacific and Arctic oceans between Russia and the US state of Alaska. Named after Vitus Bering, a Danish-born explorer in the service of the Russian Empire, it lies slightly south of the Arctic Circle at about 65° 40' N latitude, with the present US-Russia east-west boundary at 168° 58' 37" W. The Strait has been the subject of scientific speculation that humans migrated from Asia to North America across a land bridge known as Beringia when lower ocean levels – perhaps a result of glaciers locking up vast amounts of water – exposed a wide stretch of the sea floor, both at the present strait and in the shallow sea north and south of it. This view of how Paleo-Indians entered America has been the dominant one for several decades and continues to be the most accepted one. As of 2012, the Russian coast of the Bering Strait has been a closed military zone. Through organised trips and the use of special permits, it is possible for foreigners to visit. All arrivals must be through an airport or a cruise port, near the Bering Strait only at Anadyr or Provideniya. Unauthorized travelers who arrive on shore after crossing the strait, even those with visas, may be arrested, imprisoned briefly, fined, deported and banned from future visas. == Geography and science == The Bering Strait is about wide at its narrowest point, between Cape Dezhnev, Chukchi Peninsula, Russia, the easternmost point (169° 43' W) of the Asian continent and Cape Prince of Wales, Alaska, United States, the westernmost point (168° 05' W) of the North American continent. Its depth varies between and .〔It is only wide, and at its deepest point is only in depth. ()〕 It connects the Chukchi Sea (part of the Arctic Ocean) to the north with the Bering Sea (part of the Pacific Ocean) to the south. The International Date Line runs equidistant between the Strait's Diomede Islands at a distance of , leaving the Russian and American sides usually on different calendar days, with Cape Dezhnev 21 hours ahead of the American side (20 hours during daylight saving time). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bering Strait」の詳細全文を読む スポンサード リンク
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