Earthquakes

ballquakes Rodney Berry September 11, 2011 SCI/245 William Romine Earthquakes atomic number 18 caused by energy that is execute into the Earths en glowation and in turn creates seismal waves. In most cases the term earthquake is used to situate any(prenominal) seismic event. There are other causes that help in creating earthquakes. Vol merchant shipic activity, mine blasts, nuclear experiments as well as rupture of geological faults. The term hypocenter is considered the earthquakes point of initial rupture. likewise the term epicenter is directly above the hypocenter which is at dirty level. The top layer of the Earths structure is called logical seriess. A collection abode permissiveness is when a concourse place is created mingled with one plate and another(prenominal). corrosive, constructive, collision, and conservative are cognise as the four-spot types of plate margins. An earthquake has the ability to endeavor at all four of the types of plates while a release can be located amongst two types of plate margins. The four plate margins are described as follows; The first plate that testament be described is the Destructive plate margins. Destructive margin plate consists of oceanic plates moving toward one another and disappearing into the mantle. This would be considered the subduction zone.

Violent earthquakes are the result of downwardly attract that creates increased pressure at the margins. Because of the friction that is caused, arouse turns the crust into magma which is really liquid judder. Magma then tries to rise and in doing so can create violent volcanic eruptions. The countenan! ce plate that leave alone be covered is called shaping. Constructive plate margins in the Earths crust are forced apart. A mid-ocean ridge is formed when a novel oceanic crust is created due to the magma rising and solidifying. Igneous rock is what the ridge is make of and it can be found ordinarily on the sea bed which is below sea level. sometimes there is an exclusion, and that exception would be found in Iceland. The troika plate that will be described Collision plate...If you indigence to get a full essay, order it on our website: OrderCustomPaper.com

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