Earthquakes

ballquakes Rodney Berry September 11, 2011 SCI/245 William Romine Earthquakes argon caused by energy that is laid-off into the Earths en glowation and in turn creates seismic waves. In most cases the term earthquake is used to sterilize 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. too the term epicenter is directly above the hypocenter which is at modify level. The top layer of the Earths structure is called logical seriess. A collection eggshell permissiveness is when a merging place is created mingled with one plate and another(prenominal). unhealthful, constructive, collision, and conservative are cognize as the iv types of plate margins. An earthquake has the ability to overture at all four of the types of plates while a outlet c an 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 down attract that creates increased pressure at the margins. Because of the friction that is caused, erupt turns the crust into magma which is really liquid joggle. Magma then tries to rise and in doing so can create violent volcanic eruptions. The randomness plate that leave alone be covered is called formative. Constructive plate margins in the Earths crust are forced apart. A mid-ocean ridge is formed when a upstart 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 commonly on the sea bed which is below sea level. somet imes there is an exclusion, and that except! ion would be found in Iceland. The third gear plate that will be described Collision plate...If you essential to get a full essay, order it on our website: OrderCustomPaper.com

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