EarthSci 6- Volcanoes
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Seismographs are used to measure earthquake waves and locate earthquakes by analyzing the differences in arrival times of P and S waves recorded by multiple seismographs. Triangulating data from three or more seismograph stations allows the precise epicenter location to be found. Over 95% of major quakes occur in narrow zones that have been identified using this seismic location technique.
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EDU 653 Week 2 PowerPoint Assignment. This about earthquakes and could be used in my 9th grade co-taught Earth Science class.Earth Science G10 Module 1 Activity 1
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EarthSci - ReviewerCHENGsane
油
The document discusses the lithosphere and atmosphere. It covers topics like plate tectonics, continental drift, volcanoes, earthquakes, and the different layers of the Earth. Some key points include how sonar surveys of the ocean floor helped explain continental drift, how sea floor spreading occurs at mid-ocean ridges, and that plate tectonics involves the movement of tectonic plates in the lithosphere.EarthSci 6- Volcanoes
- 3. Focus, Epicenter, and Fault
- 8. Seismograph
- 9. Earths Interior Showing P and S Wave Paths
- 10. Seismogram
- 11. Measuring Earthquakes Locating an Earthquake Earthquake Distance The epicenter is located using the difference in the arrival times between P and S wave recordings, which are related to distance. Earthquake Direction Travel-time graphs from three or more seismographs can be used to find the exact location of an earthquake epicenter. Earthquake Zones About 95 percent of the major earthquakes occur in a few narrow zones.
- 14. Location You Found Actual Location