"maintenance. The Distant Early Warning Line, was a Cold War system of radar stations in the Arctic region of Canada, with stations in Alaska and the Aleutian Islands. It was designed to detect incoming ""Over the Pole"" Soviet aircraft, and provide early warning for a land based invasion. Alaskan Air Command operated 40 main stations with an additional 15 gap filler sites along Alaskan north coast from the Canada–US border westward along the Aleutian Islands. The DEW Line remained in operation for about 30 years, being replaced by the North Warning System (NWS) when selected DEW Line stations were upgraded"
"in the National Petroleum Reserve–Alaska is from any town or village, the geographic point most remote from permanent habitation in the United States. With its numerous islands, Alaska has nearly 34,000 miles (55,000 km) of tidal shoreline. The island chain extending west from the southern tip of the Alaska Peninsula is called the Aleutian Islands. Many active volcanoes are found in the Aleutians. For example, Unimak Island is home to Mount Shishaldin, a moderately active volcano that rises to above sea level. The chain of volcanoes extends to Mount Spurr, west of Anchorage on the mainland. One of North America's"
"Aleutian Range The Aleutian Range is a major mountain range located in southwest Alaska. It extends from Chakachamna Lake (80 miles/130 km southwest of Anchorage) to Unimak Island, which is at the tip of the Alaska Peninsula. It includes all of the mountains of the Peninsula. The Aleutian Range is special because of its large number of active volcanoes, which are also part of the larger Aleutian Arc. The mainland part of the range is about 600 miles (1000 km) long. The Aleutian Islands are (geologically) a partially submerged western extension of the range that stretches for another 1,600 km"
"U.S. Navy Hydrography Office (Chart 8). This is the first island in the Aleutian time zone, 1 hour behind Alaska with daylight saving time . Islands of Four Mountains Islands of Four Mountains is an island grouping of the Aleutian Islands in Alaska, United States. The chain includes, from west to east, Amukta, Chagulak, Yunaska, Herbert, Carlisle, Chuginadak, Uliaga, and Kagamil islands. This island chain is located between Amukta Pass and the Andreanof Islands to the west, and Samalga Pass and the Fox Islands to the east. These islands have a total land area of 210.656 sq mi (545.596 km²)"
"Aleutian Islands The Aleutian Islands (; ; , literally ""Land of the Aleuts"", possibly from Chukchi ""aliat"", ""island"") are a chain of 14 large volcanic islands and 55 smaller ones belonging to both the U.S. state of Alaska and the Russian federal subject of Kamchatka Krai. They form part of the Aleutian Arc in the Northern Pacific Ocean, occupying an area of 6,821 sq mi (17,666 km) and extending about westward from the Alaska Peninsula toward the Kamchatka Peninsula in Russia, and mark a dividing line between the Bering Sea to the north and the Pacific Ocean to the south."
"name from the U.S. Coast and Geodetic Survey in 1867. The island chain is named for Tsar Alexander II of Russia. On an 1860 map of Russian America (Alaska), the island group is called the King George III Archipelago. Alexander Archipelago The Alexander Archipelago is a long archipelago, or group of islands, of North America off the southeastern coast of Alaska. It contains about 1,100 islands, which are the tops of the submerged coastal mountains that rise steeply from the Pacific Ocean. Deep channels and fjords separate the islands and cut them off from the mainland. The northern part of"
"Islands of Four Mountains Islands of Four Mountains is an island grouping of the Aleutian Islands in Alaska, United States. The chain includes, from west to east, Amukta, Chagulak, Yunaska, Herbert, Carlisle, Chuginadak, Uliaga, and Kagamil islands. This island chain is located between Amukta Pass and the Andreanof Islands to the west, and Samalga Pass and the Fox Islands to the east. These islands have a total land area of 210.656 sq mi (545.596 km²) and have no permanent population. The two largest islands are Yunaska and Chuginadak. Chuginadak is mainly made up of the active volcano Mount Cleveland. The"
"(1000 mi). However the official designation ""Aleutian Range"" includes only the mainland peaks and the peaks on Unimak Island. The range is almost entirely roadless wilderness. Katmai National Park and Preserve, a large national park within the range, must be reached by boat or plane. The core Aleutian Range can be divided into three mountain groups. Listed from southwest to northeast, they are: See Aleutian Islands for the continuation of the range to the west of Unimak Island. Just to the north of the Aleutian Range are the Tordrillo Mountains, the southeasternmost extent of the Alaska Range. Selected mountains: Two"
"Ikatan Peninsula Ikatan Peninsula is the southeastern extremity of Unimak Island in the U.S. state of Alaska. The peninsula is approximately 13 miles long. It is divided into three mountain masses and from Unimak Island by low depressions which extend from West Anchor Cove to East Anchor Cove and from Dora Harbor and Otter Cove to Ikatan Bay. Cape Pankof, the eastern end of Ikatan Peninsula, terminates in three cliffs on the southern side, the highest about 1,200 feet, but on the northern side there is a gentle slope to the low isthmus between East and West Anchor coves. Some"
"Kodiak Island Kodiak Island (Alutiiq: ""Qikertaq"", ) is a large island on the south coast of the U.S. state of Alaska, separated from the Alaska mainland by the Shelikof Strait. The largest island in the Kodiak Archipelago, Kodiak Island is the second largest island in the United States and the 80th largest island in the world, with an area of , slightly larger than Cyprus. It is long and in width ranges from . Kodiak Island is the namesake for Kodiak Seamount, which lies off the coast at the Aleutian Trench. The largest community on the island is the city"
"the 21st they arrived off a chain of sandy islands... which I have distinguished by the name of the Sea Horse Islands."""" ""Sea Horse"" is an antiquated term for the walrus. Seahorse Islands The Seahorse Islands is a chain of long and narrow sandy islands in western North Slope Borough, Alaska, United States. They are located between Peard Bay and the Chukchi Sea, east of Point Franklin. The longest island is about in length and the highest point of the islands is . The shape of these coastal islands has changed over the years. The Seahorse Islands were named by"
"Alexander Archipelago The Alexander Archipelago is a long archipelago, or group of islands, of North America off the southeastern coast of Alaska. It contains about 1,100 islands, which are the tops of the submerged coastal mountains that rise steeply from the Pacific Ocean. Deep channels and fjords separate the islands and cut them off from the mainland. The northern part of the Inside Passage is sheltered by the islands as it winds its way among them. The islands have irregular, steep coasts and dense evergreen and temperate rain forests, and most are accessible only by boat or aeroplane. The vast"
"significance of each. Kodiak Archipelago The Kodiak Archipelago is an archipelago, or group of islands, south of the main land mass of the state of Alaska (United States), about by air south of Anchorage in the Gulf of Alaska. The largest island in the archipelago is Kodiak Island, the second largest island in the United States. The archipelago is about long and across, from the Barren Islands on the north to Chirikof Island and the Semidi Islands group on the south. The Archipelago contains of land. The Kodiak Archipelago contains about 40 small glaciers, numerous streams and many species of"
"Kodiak Archipelago The Kodiak Archipelago is an archipelago, or group of islands, south of the main land mass of the state of Alaska (United States), about by air south of Anchorage in the Gulf of Alaska. The largest island in the archipelago is Kodiak Island, the second largest island in the United States. The archipelago is about long and across, from the Barren Islands on the north to Chirikof Island and the Semidi Islands group on the south. The Archipelago contains of land. The Kodiak Archipelago contains about 40 small glaciers, numerous streams and many species of land and marine"
"Admiralty Island Admiralty Island is an island in the Alexander Archipelago in Southeast Alaska, at . It is 145 km (90 mi) long and 56 km (35 mi) wide with an area of 4,264.1 km (1,646.4 sq mi), making it the seventh largest island in the United States and the 132nd largest island in the world. It is one of the ABC islands of Alaska. The island is nearly cut in two by the Seymour Canal; to its east is the long, narrow Glass Peninsula. Most of Admiralty Island—more than 955,000 acres (3,860 km)—is occupied by the Admiralty Island National"
"American continent, within the same legal day. Two of the islands, Attu and Kiska, were occupied by Japanese forces during World War II. With its myriad islands, Alaska has nearly of tidal shoreline. The Aleutian Islands chain extends west from the southern tip of the Alaska Peninsula. Many active volcanoes are found in the Aleutians and in coastal regions. Unimak Island, for example, is home to Mount Shishaldin, which is an occasionally smoldering volcano that rises to above the North Pacific. It is the most perfect volcanic cone on Earth, even more symmetrical than Japan's Mount Fuji. The chain of"
"Long Island (Alaska) Long Island is an island in the Alexander Archipelago of southeastern Alaska, United States. It lies across the Kaigani Strait from the southern portion of Dall Island and west of the southern part of Prince of Wales Island. Directly to its north is Sukkwan Island. Long Island forms part of the western boundary of Cordova Bay, and has a land area of 116.136 km² (44.84 sq mi) and was unpopulated at the 2000 census. Long Island was the site of the Kaigani Haida village of Howkan, which may originally have been a winter residence. During the 19th"
"before 1867 as the Catherine Archipelago, comprise five groups (east to west) All five are located between 51° and 55° N latitude and 172° E and 163° W longitude. The largest islands in the Aleutians are Attu (the farthest from the mainland), and Unalaska, Umnak, and Unimak in the Fox Islands. The largest of those is Unimak Island, with an area of 1,571.41 mi (4,069.9 km), followed by Unalaska Island, the only other Aleutian Island with an area over 1,000 square miles (2,600 km). The axis of the archipelago near the mainland of Alaska has a southwest trend, but at"
"Kodiak–Bowie Seamount chain The Kodiak–Bowie Seamount chain, also called the Pratt–Welker Seamount chain and the Kodiak Seamounts, is a seamount chain in southeastern Gulf of Alaska stretching from the Aleutian Trench in the north to Bowie Seamount, the youngest volcano in the chain, which lies west of the Queen Charlotte Islands, British Columbia, Canada. The oldest volcano in the chain is the Kodiak Seamount. Although the Kodiak Seamount is the oldest extant seamount in the Kodiak-Bowie chain, the adjacent lower slope contains transverse scars indicating earlier subduction of seamounts. The Kodiak–Bowie Seamount chain are mostly extinct volcanoes that formed above"
"Seahorse Islands The Seahorse Islands is a chain of long and narrow sandy islands in western North Slope Borough, Alaska, United States. They are located between Peard Bay and the Chukchi Sea, east of Point Franklin. The longest island is about in length and the highest point of the islands is . The shape of these coastal islands has changed over the years. The Seahorse Islands were named by Captain Frederick William Beechey in 1826. Beechey had sent out his barge to explore the coastline further north. It reached the islands on August 21, 1826. Beechey, writing later, said: """"On"
"Unimak Island Unimak Island () is the largest island in the Aleutian Islands chain of the U.S. state of Alaska. It is the easternmost island in the Aleutians and, with an area of , the ninth largest island in the United States and the 134th largest island in the world. It is home to Mount Shishaldin, one of the ten most active volcanoes in the world. According to the United States Census Bureau, there were 64 people living on Unimak as of the 2000 census, all of them in the city of False Pass at the eastern end of the"
"Andreanof Islands The Andreanof Islands () are a group of islands in the Aleutian Islands, in southwestern Alaska. They are located at about 52° North and 172°57' to 179°09' West. The Andreanof Islands are located between Amchitka Pass and the Rat Islands group to the west, and Amukta Pass and the Islands of Four Mountains group to the east. The islands extend about 275 miles (440 km). The total land area of all islands (including the Delarof Islands) is 1,515.349 sq mi (3,924.737 km²). The total population was 412 persons as of the 2000 census, the vast majority in the"
"a transfer of 1.6 Tg of SO into the stratosphere and disturbed flights over this area for a short period following the eruptions. The 7.9 Mw Aleutian Islands earthquake occurred in June 2014 at an intermediate depth of 107 km. The quake was caused by oblique normal faulting along the Aleutian Trench, a convergent boundary where the Pacific plate is subducting underneath the North American plate at around 59 mm/year. Aleutian Range The Aleutian Range is a major mountain range located in southwest Alaska. It extends from Chakachamna Lake (80 miles/130 km southwest of Anchorage) to Unimak Island, which is"
"known as the Ingenstrem Rocks. The total land area of all of the Near Islands is 1,143.785 km² (441.618 sq mi), and their total population was 47 persons as of the 2000 census. The only populated island is Shemya; the U.S. Coast Guard station on Attu closed in 2010 and all inhabitants left the island later that year. The islands were named ""Near Islands"" by Russian explorers in the 18th century because they were the nearest of the Aleutian Islands to Russia. They are the farthest of the islands from mainland Alaska. During the Second World War, the Japanese Imperial"
"as a separate entity since. Nelson Island (Alaska) Nelson Island (""Qaluyaaq"" in Central Yup'ik) is an island in the Bethel Census Area of southwestern Alaska. It is 42 miles (68 km) long and 20–35 miles (32–56 km) wide. With an area of 843 square miles (2,183 km²), it is the 15th largest island in the United States. It is separated from the Alaska mainland to its north by the Ningaluk River, to its east by the Kolavinarak River and from Nunivak Island to its southwest by the Etolin Strait. Nelson Island has three villages, all located on the Bering Sea"
"on the island. Unimak Island Unimak Island () is the largest island in the Aleutian Islands chain of the U.S. state of Alaska. It is the easternmost island in the Aleutians and, with an area of , the ninth largest island in the United States and the 134th largest island in the world. It is home to Mount Shishaldin, one of the ten most active volcanoes in the world. According to the United States Census Bureau, there were 64 people living on Unimak as of the 2000 census, all of them in the city of False Pass at the eastern"
"Alaska Maritime National Wildlife Refuge The Alaska Maritime National Wildlife Refuge (often shortened to Alaska Maritime or AMNWR) is a United States National Wildlife Refuge comprising 2,400 islands, headlands, rocks, islets, spires and reefs in Alaska, with a total area of , of which is wilderness. The refuge stretches from Cape Lisburne on the Chukchi Sea to the tip of the Aleutian Islands in the west and Forrester Island in the southern Alaska Panhandle region in the east. The refuge has diverse landforms and terrains, including tundra, rainforest, cliffs, volcanoes, beaches, lakes, and streams. Alaska Maritime National Wildlife Refuge is"
"Kuiu Island Kuiu Island is an island in the Alexander Archipelago in southeastern Alaska. It lies between Kupreanof Island, to its east, and Baranof Island, to its west. The island is long, and wide. It is nearly cut in two by Affleck Canal. It has of land area, making it the 15th largest island in the United States. The entire island is part of Tongass National Forest. The population was 10 persons at the 2000 census. It is separated from Baranof Island by Chatham Strait. The Cape Decision Light is located on Kuiu Island. Also on the island are the"
"Nizki Island Nizki Island (Avayax̂ in Aleut) is an uninhabited island in the Aleutian Islands in the U.S. state of Alaska. Located at , it is the middle island of the Semichi Islands group of the Near Islands. Flanked by Shemya to the east and Alaid to the west, three-mile-long (5 km) Nizki is periodically joined to Alaid by a sand spit. The name is said to derive from the Russian ""nizkiy"", meaning ""low,"" a term descriptive of the island's topography, with a maximum elevation of 165 feet. Nizki's shoreline is very irregular and is fringed by numerous rocks, reefs,"
"Sanak Island Sanak Island () is an island in the Fox Islands group of the Aleutian Islands in the U.S. state of Alaska. It is located at . Sanak Island and Caton Island are the largest islands in the Sanak Islands subgroup of the Fox Islands. Travel to the island is currently done by fishing vessel. The trip takes about five hours to cross the roughly 40 mile distance from King Cove to Sanak. Like many of the other Aleutian Islands, Sanak was inhabited by the Aleut people for thousands of years. In 1828, the administrators of Russian America removed"
"account of a voyage to the area in 1842. The Kenai Indian's name for the mountain range is ""Truuli."" Kenai Mountains The Kenai Mountains are a mountain range in the U.S. state of Alaska. They extend 192 km (120 mi) northeast from the southern end of the Kenai Peninsula to the Chugach Mountains, and have an average elevation of 3,000 to 5,000 feet. The Harding and Sargent Icefields, as well as the many glaciers that originate from them, derive in the Kenai Mountains. Several prime fish-producing rivers, including the Kenai River and the Russian River, also flow from the mountains."
"Akutan Island Akutan Island () is an island in the Fox Islands group of the eastern Aleutian Islands in the Aleutians East Borough of Alaska. The island is approximately 18 mi (30 km) in length. The land area is 129.01 sq mi (334.13 km²). Mount Akutan volcano is located on it, which had a major lava eruption in 1979. The island's population was 1,027 (2010 census). All resided in the city of Akutan, near the island's eastern end. Akutan is an Aleut name reported by Capt. Pyotr Krenitsyn and Mikhail Levashev in 1768, and spelled Acootan by James Cook in"
"islands during World War II. The bases on Adak were enlarged and made permanent after the war but were closed in 1995. Andreanof Islands The Andreanof Islands () are a group of islands in the Aleutian Islands, in southwestern Alaska. They are located at about 52° North and 172°57' to 179°09' West. The Andreanof Islands are located between Amchitka Pass and the Rat Islands group to the west, and Amukta Pass and the Islands of Four Mountains group to the east. The islands extend about 275 miles (440 km). The total land area of all islands (including the Delarof Islands)"