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Pierce County, Washington
Pierce County is a county in the U.S. state of Washington. As of the 2020 census, the population was 921,130, up from 795,225 in 2010, making it the second-most populous county in Washington, behind King County, and the 60th-most populous in the United States. The county seat and largest city is Tacoma. Formed out of Thurston County on December 22, 1852, by the legislature of Oregon Territory, it was named for U.S. President Franklin Pierce. Pierce County is in the Seattle metropolitan area (formally the Seattle-Tacoma-Bellevue, WA, metropolitan statistical area). Pierce County is home to Mount Rainier, the tallest mountain and a volcano in the Cascade Range. Its most recent recorded eruption was between 1820 and 1854. There is no imminent risk of eruption, but geologists expect that the volcano will erupt again. If this should happen, parts of Pierce County and the Puyallup Valley would be at risk from lahars, lava, or pyroclastic flows. The Mount Rainier Volcano Lahar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Old City Hall Historic District
The Old City Hall Historic District is located on a bluff at the north end of Tacoma's business district, overlooking Commencement Bay. The Old City Hall (Tacoma, Washington), Old City Hall and the Northern Pacific Office Building stabilize the northern boundary of the district and the Pantages Theater (Tacoma, Washington), Pantages Theatre/Jones Building just south of the district boundary, complements the Winthrop Hotel. All blocks are laid out so that major building entrances face the streets, which run north and south, and the buildings are constructed with common walls, which cover the entire depth of the block, deleting any need for alleys. Thus, with the exception of Pacific Avenue, where business fronts face each other, business fronts tend to be located on the east. The western exposures represent the back of the structures. From the bluff to Pacific Avenue the land is level, but Commerce and Broadway form terraces on the steep hillside. As a result, a facade which appea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bellevue, Washington
Bellevue ( ) is a city in the Eastside region of King County, Washington, United States, located across Lake Washington from Seattle. It is the third-largest city in the Seattle metropolitan area and has variously been characterized as a satellite city, a suburb, a boomburb, or an edge city. Its population was 122,363 at the 2010 census and 151,854 in the 2020 census. The city's name is derived from the French term ("beautiful view"). Bellevue is home to some of the world's largest technology companies. Before and after the 2008 recession, its downtown area has been undergoing rapid change with many high-rise projects being constructed. Downtown Bellevue is currently the second-largest city center in Washington state, with 1,300 businesses, 45,000 employees, and 10,200 residents. In a 2018 estimate, the city's median household income was among the top five cities in the state of Washington. In 2008, Bellevue was number one in CNNMoney's list of the best places to live an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carbon River
The Carbon River is a river in the U.S. state of Washington. It flows about 30 miles (48 km) from its source, the Carbon Glacier on Mount Rainier, to join the Puyallup River at Orting. Charles Wilkes called the river the "Upthascap River", but after the discovery of coal along its banks in 1876 the river was renamed "Carbon". Course The source of the Carbon River is the Carbon Glacier on the north side of Mount Rainier in the Cascade Range. The river's upper reach is contained within Mount Rainier National Park. Some of the river's headwater tributary streams include Cataract Creek and Spukwush Creek. The Carbon River quickly enters a broad glacial valley in which it deposits thick layers of glacial sediment. This causes the river to meander and become braided. After flowing by Mother Mountain on the west and Chenuis Mountain on the east, the Carbon River reaches Ipsut Creek and the national park campground of Ipsut Creek. This was also the end of the Carbon River Road entr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anderson Island (Washington)
Anderson Island is the southernmost island in Puget Sound and a census-designated place of Pierce County, Washington, United States. It is accessible by boat or a 20-minute ferry ride from Steilacoom, Washington, Steilacoom. Anderson Island is just south of McNeil Island. To the northwest, Key Peninsula is across Drayton Passage. The south basin of Puget Sound separates the island from the mainland to the southeast, while to the southwest the Nisqually Reach of Puget Sound separates the island from the mainland. Geography Anderson Island has a land area of , and reported a population of 1,037 persons as of the United States Census, 2010, 2010 census. The island has been a retirement destination since the late 1960s, with a median age of 54 years (for comparison, the median age of Washington state as a whole is 37 years). The population booms every summer to approximately 4,000. The Island is also home to a sizable population of deer. History The island was part of the territory ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Census Bureau
The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of the U.S. Department of Commerce and its director is appointed by the President of the United States. The Census Bureau's primary mission is conducting the U.S. census every ten years, which allocates the seats of the U.S. House of Representatives to the states based on their population. The bureau's various censuses and surveys help allocate over $675 billion in federal funds every year and it assists states, local communities, and businesses make informed decisions. The information provided by the census informs decisions on where to build and maintain schools, hospitals, transportation infrastructure, and police and fire departments. In addition to the decennial census, the Census Bureau continually conducts over 130 surveys and programs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Puyallup River
The Puyallup River ( ) is a river in the U.S. state of Washington (state), Washington. About long, it is formed by glaciers on the west side of Mount Rainier. It flows generally northwest, emptying into Commencement Bay, part of Puget Sound. The river and its tributaries drain an area of about in Pierce County, Washington, Pierce County and southern King County, Washington, King County. The river's drainage basin, watershed is the youngest in the Puget Sound region, having been formed from a series of lahars starting about 5,600 years ago. The valley's 150,000 residents are at risk from future lahars. For this reason, the United States Geological Survey has installed a lahar warning system. Course The Puyallup River begins in two forks, the North Puyallup River and the South Puyallup River. Both originate at glaciers on Mount Rainier. The North Puyallup River flows from the toe of Puyallup Glacier, while the South Puyallup River flows from Tahoma Glacier. The two streams flow t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Rainier Volcano Lahar Warning System
The Mount Rainier Volcano Lahar Warning System consists of two separate components, operating in tandem: Acoustic Flow Monitors (AFM) and the All Hazard Alert Broadcast (AHAB) sirens. The AFM system was developed by the United States Geological Survey (USGS) in 1998 and is now maintained by Pierce County Emergency Management. The purpose of the warning system is to assist in the evacuation of residents in the river valleys around Mount Rainier, a volcano in Washington, in the event of a lahar. Pierce County works in partnership with the USGS, the Pacific Northwest Seismic Network (PNSN), Washington Military Department's Emergency Management Division, and South Sound 9-1-1 to monitor and operate the system. History Mount Rainier is an active volcano in Washington. It has previously buried sections of the surrounding river valleys in a volcanic mudflow, called a lahar. The Puyallup River Valley is at greatest risk. Tens of thousands of people live in areas that may have as little as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pyroclastic Flow
A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ground away from a volcano at average speeds of but is capable of reaching speeds up to . The gases and tephra can reach temperatures of about . Pyroclastic flows are the most deadly of all volcanic hazards and are produced as a result of certain explosive eruptions; they normally touch the ground and hurtle downhill, or spread laterally under gravity. Their speed depends upon the density of the current, the volcanic output rate, and the gradient of the slope. Origin of term The word ''pyroclast'' is derived from the Greek (''pýr''), meaning "fire", and (''klastós''), meaning "broken in pieces". A name for pyroclastic flows which glow red in the dark is (French, "burning cloud"); this was notably used to describe the disastrous 1902 eruption of Mount Pelée on Martinique, a French ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lava
Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or underwater, usually at temperatures from . The volcanic rock resulting from subsequent cooling is also often called ''lava''. A lava flow is an outpouring of lava during an effusive eruption. (An explosive eruption, by contrast, produces a mixture of volcanic ash and other fragments called tephra, not lava flows.) The viscosity of most lava is about that of ketchup, roughly 10,000 to 100,000 times that of water. Even so, lava can flow great distances before cooling causes it to solidify, because lava exposed to air quickly develops a solid crust that insulates the remaining liquid lava, helping to keep it hot and inviscid enough to continue flowing. The word ''lava'' comes from Italian and is probably derived from the Latin word ''labes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lahar
A lahar (, from jv, ꦮ꧀ꦭꦲꦂ) is a violent type of mudflow or debris flow composed of a slurry of pyroclastic material, rocky debris and water. The material flows down from a volcano, typically along a river valley. Lahars are extremely destructive: they can flow tens of metres per second, they have been known to be up to deep, and large flows tend to destroy any structures in their path. Notable lahars include those at Mount Pinatubo and Nevado del Ruiz, the latter of which killed thousands of people in the town of Armero. Etymology The word ''lahar'' is of Javanese origin. Berend George Escher introduced it as a geological term in 1922. Description The word ''lahar'' is a general term for a flowing mixture of water and pyroclastic debris. It does not refer to a particular rheology or sediment concentration. Lahars can occur as normal stream flows (sediment concentration of less than 30%), hyper-concentrated stream flows (sediment concentration between 30 and 60% ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Puyallup, Washington
Puyallup ( or ) is a city in Pierce County, Washington, United States, located about 10 miles (16 km) southeast of Tacoma and 35 miles (56 km) south of Seattle. It had a population of 42,973 at the 2020 census. The city's name comes from the Puyallup Tribe of Native Americans and means "the generous people". Puyallup is also home to the Washington State Fair, the state's largest fair. History The Puyallup Valley was originally inhabited by the Puyallup people, known in their language as the spuyaləpabš, meaning "generous and welcoming behavior to all people (friends and strangers) who enter our lands." The first white settlers in the region were part of the first wagon train to cross the Cascade Range at Naches Pass in 1853. Native Americans numbered about 2,000 in what is now the Puyallup Valley in the 1830s and 1840s. The first European settlers arrived in the 1850s. In 1877, Ezra Meeker platted a townsite and named it Puyallup after the local Puyallup Indian tribes, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cascade Range
The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, and the notable volcanoes known as the High Cascades. The small part of the range in British Columbia is referred to as the Canadian Cascades or, locally, as the Cascade Mountains. The latter term is also sometimes used by Washington residents to refer to the Washington section of the Cascades in addition to North Cascades, the more usual U.S. term, as in North Cascades National Park. The highest peak in the range is Mount Rainier in Washington at . part of the Pacific Ocean's Ring of Fire, the ring of volcanoes and associated mountains around the Pacific Ocean. All of the eruptions in the contiguous United States over the last 200 years have been from Cascade volcanoes. The two most recent were Lassen Peak from 1914 to 1921 and a major ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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