'Waves primary waves' diaporamas de présentation

Geology 12

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Waves and Sound

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Seismic Events

Seismic Events. Causes of Earthquakes Distribution of Earthquakes Measuring Earthquakes The Effects of Earthquakes. WHAT IS AN EARTHQUAKE?. Sudden release of energy Creates seismic waves (similar to waves through water) Waves spread out spherically Greatest damage occurs at the epicentre.

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Earthquakes

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Earthquakes

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Seismic Waves

Seismic Waves. CH 8.2 NCSCoS 2.04. Warm-up. How are earthquakes and plate tectonics related? What do you know about waves? What do you remember about the major tsunami in the Indian Ocean on December 26, 2004?. Objectives. Compare and contrast the three types of seismic waves.

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Anatomy of an Earthquake

Anatomy of an Earthquake. Focus (or hypocentre) : the center of energy release. Epicentre : the point on the ground surface immediately above the focus (closest point on the surface to the focus). Types of Shockwaves. P-waves (primary waves). Compress and relax rock through which they pass.

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Planet Earth in Profile

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Measuring Earthquakes Chapter 5.2-5.3

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