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:!:EARTHQUAKES:!: - Coggle Diagram
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EARTHQUAKES
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What is an Earthquake
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a weak to violent shaking of the ground
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Why do Earthquakes happen
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Moving tectonic plates
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Active volcanoes
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How do we measure the strength and intensity of an earthquake
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Magnitude
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the total energy released at the earthquake’s point of origin based on instrumentally derived information.
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Intensity
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the earthquake’s perceived strength
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The Anatomy of an Earthquake
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Where does the energy of an earthquake come from
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The Focus
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also known as the hypocenter
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is the center of energy released during an earthquake
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Where is the earthquake most intensely felt
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The Epicenter
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point on the surface directly above the focus
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The Fault
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What is a fault
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a fault is where two plates of the earth's crust meet
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The Different types of Faults
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Normal Faults
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What is a normal fault
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When the rock above the fault moves down. Caused by tensional forces and results in extention. :check:
Reverse Faults
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What is a reverse fault
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When the rock above the fault moves up. Caused by compresional forces and results in shortening.
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Strike Split Faults
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What is a split-strike fault
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When rocks slide past each other horizontally. :check:
