earth science room 6-128 mr. becker. analyzing seismic waves
TRANSCRIPT
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Earth Science
Room 6-128
Mr. Becker
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Analyzing Seismic Waves
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P & S Waves
• x. Do P & S Wave Demonstration: • x. Students are waves and stations.• x. P wave is two steps per second. • x. S wave is one step per second.• x. Stations record time for waves to arrive.
• x. Develop lag time concept.
• x. 1 s lag time is 12.5 km. (12.5 km/s)
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Rayleigh Waves
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Seismic Waves
• Seismic Waves Simulation 3D
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P S Arrival Times
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Seismogram
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Earthquake Location
• Evolving Earth: Plate Tectonics• Includes Earthquake Location Lesson:• http://www.globalchange.umich.edu/globalchange1/current/lectures/evolving_earth/evolving_earth.html
• Earthquakes from Past 24 Hours• Recent Earthquakes:• http://aslwww.cr.usgs.gov/Seismic_Data/telemetry_data/map_sta_eq.shtml
• Seismograms• Seismic Data Page:• http://aslwww.cr.usgs.gov/Seismic_Data/heli2.shtml
• ZZZ