Attu Island Alaska is technically in Asia

Alaska , constituent state of the United States of America. It became the 49th state to join the union on January 3, 1959.

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Alaska is located in the far northwest of the North American continent, and the Alaska Peninsula is the largest peninsula in the western hemisphere. Since the 180th meridian runs through the state's Aleutian Islands, Alaska's westernmost part is in the eastern hemisphere. So, technically, Alaska is in both hemispheres.

Alaska is bounded to the north by the Beaufort Sea and the Arctic Ocean. Canada's Yukon Territory and British Columbia Province to the east; the Gulf of Alaska and the Pacific to the south; the Bering Strait and the Bering Sea to the west; and the Chukchi Sea in the northwest. The capital is Juneau, which is in the southeast, in the Panhandle region.

Alaska plays a central role in the great circle route that connects North America with Asia by sea and in the air, and is equidistant from most parts of Asia and Europe. This central location has made Alaska militarily important since the Japanese invasion of the Aleutian Islands in 1942 during World War II. Alaska's eastern border with Canada is approximately 2,475 km long, more than a third the length of the entire US border with Canada (6,416 km). Alaska's western maritime border, which separates the waters of the United States and Russia, was established in the 1867 Assignment Treaty (which stated the transfer of Alaska from Russia to the United States). The de facto border of approximately 1,600 km runs across the Chukchi Sea and the Bering Strait to a point between Alaska's island of St. Lawrence and the Russian Chukotskiy (Chukchi) peninsula and to the southwest between the island of Attu, the westernmost island of the Alaskan Aleutian Islands. Chain and the Russian Komandor Islands. The border leaves a piece of international water in the Bering Sea known as the “Donut Hole”. Off the far western end of the state's Seward Peninsula, LittleDiomede Island, part of Alaska, sits on the Bering Strait, just 4 km from Russian-owned Big Diomede Island. Both Russia and the United States have shown tacit tolerance of unintentional airspace violations, which are common in inclement weather.

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The name Alaska is derived from the Aleutian alaxsxa or alaxsxix̂ , both of which mean “mainland” or “large country”. In fact, Alaska has a vast area and a wide variety of physical properties. Apart from its mainland peninsula, the state comprises approximately 38,800 square kilometers of fjords and bays and 54,400 km of indented tidal coastline. In addition, most of the United States' continental shelf lies along the Alaskan coast. In the Alaska Range north of Anchorage is Denali (Mount McKinley), 6,190 meters high - the highest peak in North America. Almost a third of the state is on the Arctic Circle, and about four fifths of Alaska is covered by permafrost (permanently frozen sediment and rocks). The tundra - the vast treeless arctic plains - makes up about half of the country's area. The south coast and the panhandle at sea level are fully temperate regions. However, the world's largest ice sheet outside of Greenland and Antarctica lies in these and neighboring Canadian areas. The state in the south is one of the most active earthquake belts on earth, the seismic belt in the Pacific region. Alaska has more than 130 active volcanoes, most of which are in the Aleutian Islands and the adjacent Alaska Peninsula. The 1964 Alaska earthquake was one of the most powerful earthquakes in the United States.

After becoming statehood, Alaska enlarged the United States by almost a fifth. The new area comprised long stretches of unexplored land and unused resources. Settlement and exploitation has been hindered by its distance from the rest of the country, as well as geographical and climatic barriers to travel and communication. Alaska remains the country's last frontier. About half of the state's residents live in the greater Anchorage-Kenai Peninsula area.

The difficulty of finding a balance between conservation and development in a vast country has existed since the beginning of the 20th century. Alaska residents and state and state governments have had to make delicate decisions about such important issues as the natural gas pipeline project, Alaskan indigenous peoples land claims, the creation of national parks and conservation areas, non-commercial aboriginal whaling, and related issues. One of the biggest conflicts arose in the late 1960s and early 1970s between conservationists and oil companies over the proposal on the Trans-Alaska Pipeline, which now runs from the oil-rich north slope on the Arctic Ocean to the Valdez in the south. The debate intensified after a catastrophic oil spill in 1989 when the tanker Exxon Valdez released around 250,000 barrels of oil in Prince William Sound. In addition, from the 1980s onwards both sides came into conflict over whether drilling should be allowed in the Arctic National Wildlife Refuge. At the beginning of the 21st century, drilling the 9.3 million acre National Petroleum Reserve-Alaska in the Arctic coastal plain and continental shelves of the Beaufort and Chukchi seas also became a controversial issue. Area 665,384 square miles (1,723,337 square kilometers). Population (2010) 710,231; (2019 est.) 731,545.