Web Links Related to this Lab

Live Earthquake Map

Assignment 

Watch the Pre Lab Video. Read all sections of Lab 4. Answer the following questions:

4.3 Global Distribution of Earthquakes Questions 1-4

4.5 Earth’s Internal Temperature 1-4

4.6 Melting Temperatures of Rocks 1-6

Learning Objectives

Each statement represents an important learning objective that relates to one or more sections of this lab. After you complete this exercise you should be able to:

Examine an earthquake seismogram and identify the P waves, S waves, and surface waves.

Use a seismogram and travel–time graph to measure the distance to the epicenter of an earthquake and determine the time it occurred.

Locate Earth’s major earthquake belts on a world map.

List the name, thickness, and state of matter of each of Earth’s layers.

Describe the temperature gradient in Earth’s interior.

Explain why the asthenosphere likely consists of very weak material.

Lab 4 Videos

Lab 4 Pictures