Soil Liquefaction Dangers During Earthquakes An earthquake brings a number of hazards: • Ground shaking and shifting can cause major damage‚ tearing apart houses‚ buildings‚ and roads. • Flooding that arises from broken water dams or river levees is another hazard. • Tsunamis‚ triggered by an undersea earthquake as well as seiches – waves coming from lakes shaken by a temblor – can submerge whole communities‚ sweep away edifices‚ topple trees and drown people. • Fire is another seismic hazard
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We can therefore assume that term a lithospheric hazard refers to those that are caused through geological processes that have threats to human life and the environment they live in. These types of hazards include things such as Volcanoes and Earthquakes‚ namely because their source of origins are directly linked to tectonic and earthly activity. With the occurrence of lithospheric hazards i.e. the hazard being turned into an event or disaster‚ there comes about effects in the short and long run
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and comic in its existence‚” (“Quotable Quote” 1). This too can be said about natural disasters in today’s time. A natural disaster is defined in Webster’s Dictionary as‚ “any form of nature that has catastrophic consequence‚ such as an avalanche‚ earthquake‚ flood‚ forest fire‚ hurricane‚ lighting‚ tornado‚ tsunami or volcanic eruption.” Many times the people affected by such an event take a backseat to the actually disaster itself. Why is that? Why is it that certain parts of the world‚ when hit by
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rock‚ and‚ therefore‚ no volcanic activity or formation of new crust. Despite the absence of volcanic activity‚ these margins are tectonically extremely active and are associated with powerful‚ considerable magnitude‚ earthquakes‚ being the sites of extensive shallow focus earthquakes. Transfer faults are mainly found on the ocean floor‚ where they offset mid ocean ridges and enable the ocean floor to spread at different rates. At conservative plate boundaries‚ there are very few features to be seen
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Short Essay: The 2010 Haiti Earthquake -Chloe Hunt Word count: 556 (not including headings‚ sub-headings‚ reference list‚ figures‚ in-text citations) Introduction: Haiti is one of the most disaster prone countries on the planet‚ experiencing reoccurring floods‚ hurricanes‚ earthquakes and tropical storms‚ placing a dent in the countries social and economical development. The 2010‚ 7.0 magnitude Haiti earthquake was the most severe natural catastrophe recorded in the countries history. (Borenstein
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reduce the impact of tectonic hazards. Tectonic hazards are comprised of earthquakes and volcanoes; they are named ‘tectonic hazards’ as it is ultimately the movement of tectonic plates that cause these events. These hazards have the potential to kill thousands and devastate the region it strikes. Although the main hazard causes destruction‚ events that follow can be equally‚ if not more‚ devastating‚ for example an earthquake can often trigger a tsunami. Many strategies have been put forward to try
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on the margin stretching from southern Vancouver Island to the Oregon-California border. The last mega-earthquake in the Pacific-Northwest being on January 26‚ 1700; We know this because written records in Japan document how a tsunami destroyed that year’s rice crop stored in warehouses. We also know from documentation of data that scientists have collected from when there are off shore earthquakes‚ these quakes will cause mud and sand to “slide” down the continental margins into undersea canyons.
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crack. Smoke starts to darken the sky. What is happening? It’s obvious – an earthquake. The highly populated Los Angeles metropolitan area is surrounded by a large complex network of thrust and strike-slip faults. To the northern edge lies the Sierra Madre-Cucamonga thrust fault system. To the north and east are the San Jacinto and San Andreas right-lateral strike-slip fault systems. Studies have shown that California’s earthquake zones are more complex and lethal than once thought. Southern California
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shaking‚ but it followed me. It followed me down the stairs and underneath the dining room table where my family joined me. Little did I realize that before the morning sun rose again‚ I would see everything differently. My world changed. The 6.7 earthquake which crippled the Northridge area on January 17‚ 1994 rattled and ripped apart the fibers of security in our neighborhood. Our home was ruined; smashed glass‚ crumbled walls‚ and the lack of electricity‚ gas‚ and water made it uninhabitable. Without
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that results in relative movement or opposing sides. Seismic Wave- earthquake waves‚ including primary waves‚ secondary waves‚ and surface waves. Epicenter- the point on earths surface located directly above the earthquakes focus. Magnitude- a measure of the energy released by and earthquake. Seismograph- instrument used to record seismic waves. Tsunami- powerful seismic sea wave that begins over an ocean floor earthquake can reach 30 minutes height when approaching land and can use destruction
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