'Shadow zone' diaporamas de présentation

Objectives

Forces Within Earth. Objectives. Define stress and strain as they apply to rocks. Distinguish among the three types of faults. Contrast three types of seismic waves. Vocabulary. stress strain fault primary wave. secondary wave surface wave focus epicenter. Forces Within Earth.

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Molly Zurheide The Basin, NH

Molly Zurheide The Basin, NH. Marc Massie Saas Fee Switzerland. Olivia Sher Amazon River. EARTHQUAKES. EFFECTS OF EARTHQUAKES. SEICHES (pronounced sayshes). Seismic waves cause water in an enclosed basin to oscillate. Can occur miles from the focus or epicenter of the earthquake.

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Chapter Eleven - Geophysical Properties of Planet Earth

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Chapter Eleven - Geophysical Properties of Planet Earth

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Chapter Eleven - Geophysical Properties of Planet Earth

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GEOL: CHAPTER 8

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Visualizing seismic wave propagation

Visualizing seismic wave propagation. Peter van Keken University of Michigan Jeroen Tromp Dimitri Komatitsch Caltech Shalini Venkataraman Nicholas Schwarz Luc Renambot Jason Leigh University of Illinois at Chicago. American Geophysical Union, Fall 2003, ED31E-01.

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Warm-Up

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Anatomy of an Earthquake

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INTERIOR OF EARTH

INTERIOR OF EARTH. FORCES. EXOGENIC. ENDOGENIC. EVIDENCES OF EARTH INTERIOR. INDIRECT SOURCES. DIRECT SOURCES. Temperature Pressure Density Study of Meteors Gravity Anomaly Magnetic Survey Seismic Activity. Deep Ocean drilling Project Integrated Ocean Drilling Project

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~5500 km

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Studying Earth's interior

Section 10.4. Studying Earth's interior. Shadow Zone. Earthquake waves travel in all direction from its focus Not all stations can receive information from the earthquake Seismograph stations in the shadow zone cannot detect P waves or S waves

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Crust 6340 ~ 6370 km Mantle 2998 ~ 6340 km Core 1250 ~ 2998 km

Crust 6340 ~ 6370 km Mantle 2998 ~ 6340 km Core 1250 ~ 2998 km Inner Core 0 ~ 1250 km. Forward Branch. Backward Branch. Forward Branch. Shadow Zone. Forward Branch. Backward Branch. PcP. Shadow Zone. 1912 Gutenberg ? shadow zone ? 105 o ? 143 o ?????

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Structure of Earth

Structure of Earth. Story of Waves. Learning objectives: *written communication skills * data analysis skills *revision of content relating to seismic waves. Earthquakes produce P- and S-waves which pass through the Earth.

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March 31, 2014 Bell Work P-Wave and S-Wave Shadow Zones

March 31, 2014 Bell Work P-Wave and S-Wave Shadow Zones. In back of ISN. On Weekly Bell Work Sheet. Title: Shadow Zones Explain why they occur: P-waves get refracted and change direction as they move through the mantle and inner and outer core

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