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Assn06K_E10

# Assn06K_E10 - Name Student Lab Time 8 a.m 1:50 p.m No...

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Name Student # Lab Time: 8 a.m. 1:50 p.m. No lab (Please circle) GLY 2010 Assignment 6, Summer 2010 Write a brief response to the following questions based on the information provided in lecture, and in the textbook. Due at the beginning of the next class (6/9/10). Answers must be submitted on this form. Copies are not acceptable. If you need additional room, attach pages and staple them together. Be sure your name is on each page. HINT: A careful reading of the appropriate material in the text will make this assignment much easier. 1. What is the difference between the focus (a.k.a. the hypocenter) and the epicenter of an earthquake? (1 point) The focus or hypocenter is the initial rupture point of an earthquake, where strain energy is first converted to elastic wave energy. It is the point within the Earth which is the center of an earthquake. The epicenter is the point on the Earth's surface that is directly above the focus of an earthquake 2. Compare the Richter and modified Mercalli scales, used to measure earthquakes. What does each scale measure? Are they open-ended or closed? Are they linear or logarithmic? What are the advantages of each scale? What are the units of each? ( 3 points) The Richter scale, devised in 1935 by the late seismologist Charles Richter, measures the

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Assn06K_E10 - Name Student Lab Time 8 a.m 1:50 p.m No...

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