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Seward Peninsula
From Wikipedia, the free encyclopedia
The Seward Peninsula is a large peninsula on the western coast of the U.S. state of Alaska. It projects about 320 km (200 mi) into the Bering Sea between Norton Sound, the Bering Strait, the Chukchi Sea, and Kotzebue Sound, just below the Arctic Circle. The entire peninsula is about 330 km (210 mis) long and 145-225 km (90-140 mi) wide.
The Seward Peninsula was once part of the Bering land bridge, a roughly thousand mile wide swath of land connecting Siberia with mainland Alaska during the Pleistocene Ice Age. This land bridge aided in the migration of humans, as well as plant and animal species from Asia to North America. Archeological discoveries throughout the Seward Peninsula show proof that Inupiat Eskimo's have been living in the region for thousands of years. Excavations at sites such as the Trail Creek Caves and Cape Espenberg in the Bering Land Bridge National Preserve as well as Cape Denbigh to the south have provided insight into the timeline of prehistorical migrations from Asia to the Seward Peninsula [1].
Communities on the Seward Peninsula, with 2005 state population estimates [2]:
- Nome (3,508)
- Shismaref (581)
- Buckland (434)
- Koyuk (350)
- Brevig Mission (327)
- Elim (302)
- Teller (263)
- White Mountain (224)
- Wales (151)
- Golovin (150)
- Deering (139)
Other locations on the Seward Peninsula include the mining towns of Council, Solomon, Candle, Haycock and Taylor. While still frequented by locals of neighboring communities, there are no longer year round residents in these locations. There is a United States Coast Guard LORAN station at Port Clarence. The U.S. Air Force operates a radar station at Tin City, seven miles southeast of Wales.
The Seward Peninsula has several distinct geologic features. The Devil Mountain Lakes on the northern portion of the peninsula are the largest maar lakes in the world. They were formed over 21,000 years ago as the result of an underground steam explosion [3]. The Killeak Lakes and White Fish Lake are also volcanic maar lakes of notable size on the northern Seward Peninsula. Four mountain ranges line the southern side of the peninsula, the most prominent being the Kigluaik (or Sawtooth) Mountains. The highest point in the range and the peninsula is the peak of 4,714-foot (1,437-m) Mount Osborn. Other mountain ranges on the Seward Peninsula include the Bendeleben Mountains, Darby Mountains, and York Mountains. The Lost Jim Lava Flow north of Kuzitrin Lake is a lava field formed roughly 1,000 to 2,000 years ago, which covers roughly 88 square miles. Several geothermal hot springs are located throughout the peninsula, including Serpentine Hot Springs, Pilgrim Hot Springs, Granite Mountain, Elim, Clear Creek and Lava Creek.
The Seward Peninsula has several rivers. The largest include the Koyuk, Kuzitrin, Niukluk, Fish, Tubuktilik, Kiwalik, Buckland and Agiupuk Rivers. These play a vital role in the subsistence lifestyles of many peninsula residents and ease travel, hunting, and fishing. Most peninsula rivers have at least a small yearly run of several varieties of salmon, as well as Dolly Varden, Arctic Grayling, whitefish of various species, Northern Pike, and Burbot. Most rivers on the Seward Peninsula freeze in mid-October; spring break-up usually occurs in mid- to late May.
Cape Prince of Wales, the westernmost point on the mainland of the Americas, is on the western tip. The cape is only 52 miles (84 km) from Cape Dezhnev, the closest point on the Russian mainland.
The peninsula was named after William H. Seward, the United States Secretary of State who negotiated the Purchase of Alaska from Russia in 1867.
- ^ Cultural Resources in the Bering Land Bridge National Preserve
- ^ http://www.commerce.state.ak.us/dca/commdb/CF_CIS.htm Alaska Communtiy Database Community Information Summary
- ^ Rozell, Ned Volcanoes, permafrost, earthquakes shape Alaska Alaska Science Forum
 |
State of Alaska Juneau (capital) |
|---|---|
| Regions |
Aleutian Islands | Arctic Alaska | Bush Alaska | Interior | Kenai Peninsula | Mat‑Su Valley | North Slope | Panhandle | Seward Peninsula | Southcentral | Southwest | Tanana Valley | Yukon‑Kuskokwim Delta |
| Largest cities |
Anchorage | Barrow | Bethel | Fairbanks | Homer | Juneau | Kenai | Ketchikan | Kodiak | Kotzebue | Nome | Palmer | Petersburg | Seward | Sitka | Unalaska | Valdez | Wasilla |
| Boroughs |
Aleutians East | Anchorage | Bristol Bay | Denali | Fairbanks North Star | Haines | Juneau | Kenai Peninsula | Ketchikan Gateway | Kodiak Island | Lake and Peninsula | Matanuska‑Susitna | North Slope | Northwest Arctic | Sitka | Yakutat |
| Census areas |
Aleutians West | Bethel | Dillingham | Nome | Prince of Wales‑Outer Ketchikan | Skagway‑Hoonah‑Angoon | Southeast Fairbanks | Valdez‑Cordova | Wade Hampton | Wrangell‑Petersburg | Yukon‑Koyukuk | (see also) Unorganized Borough |