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In this lesson students will learn about the displacement of the Earth's crust due to seismic events. They will discover how to measure movements in the Earth's crust and calculate the amount of displacement in the horizontal and vertical direction due to an earthquake. After receiving information about the Global Positioning System (GPS), students will hear a description of a magnitude 7.9 earthquake that hit Alaska in 2002. Many locations around the epicenter experience a displacement due to the quake. Students will analyze geodetic data from three sites affected by the Alaskan earthquake to determine how much the Earth's crust was displaced by this event.
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