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MIAMI GLG 121 - GLG 121: EXAM 2 Study Guide

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GLG 121: EXAM 2 Study Guide Study Suggestions: 1. Review your notes about key concepts from assignments and quizzes. While working on assignments, make sure you take time to think about why the right answers are correct and why the wrong answers are incorrect. If some assignments are still open, please take the time to reattempt them after the 2 hour delay – this is the best way to study. 2. The primary focus of the Exam will be on content covered in Comprehension Assignments and Reading Quizzes; test questions will be most similar to the questions on these assignments. The secondary focus will be on key results from Application Assignments. 3. Review all of the PowerPoints, making sure you can recall information from them and take some time to think about why things are organized the way they are. 4. Review Key Points, Questions for Investigation, Key Skills, and Key Terms listed in this study guide. Please note that this is simply a compilation of the summary pages you see at the beginning of each Comprehension and Application Assignment on Moodle. For questions and concepts you feel least comfortable about, re-watch the corresponding Video Lectures and re-read the corresponding reading/textbook material. 5. Review how to read, analyze, and interpret maps and plots. Test Format: 1. There will be no Microsoft Excel, Google Earth, or calculations on the exam. 2. This exam is NOT cumulative and will only cover the material since the last exam. 3. The exam will consist of about 50 multiple choice questions from a large test bank. 4. You will complete one questions at a time, you will not receive any feedback, and you will not be able to re-answer for partial credit. You can go back to review previous questions. Try to take your time with each question and not to rush through as you should have enough time to consider each question thoroughly. The practice exam also has this format so it would not be a surprise when you see that format on the regular exam. 5. In some cases, you may need to scroll down to see the questions. 6. The exam will begin at the designated time and you will have 55 minutes to complete it. 7. The exam will be on Canvas (there is a link from the Moodle page if needed), and you must use Proctorio to access the exam. This is to help ensure fairness for everyone, as this software will monitor you for academic dishonesty while you are working on the exam. Please review the information at this link to ensure you are ready to use Proctorio: Note that Proctorio requires the Chrome web browser and the Proctorio extension for Chrome (If you don't have these, it will mistakenly ask for an access code). 9. Proctorio also requires a webcam, so make sure you are using a computer that has a webcam. 10. Before the exam, you need to take the Practice Exam Assignment that will utilize the same Proctorio software on Canvas to help familiarize you for what to expect both in terms of content and format on the exam. The Practice Exam is timed and will be graded, but you can take notes and reattempt it. 11. This exam is explicitly a test of your personal knowledge and understanding, and I am hopeful that you will do fine on this exam if you have taken the time to do the assignments and learn from them. During the exam, you are NOT allowed to use your notes, textbook, previous assignments, internet, or communication with anyone else to help you answer the questions. I trust you to comply with this, but I will be closely monitoring as well. Any evidence of academic dishonesty will be reported and has resulted in no credit in past cases. Key Points: Earthquake Principles: 1. Millions of earthquakes occur every year - often without any damage. About one earthquake occurs per year that is catastrophic - significant damage, many deaths. 2. Locked vs Creeping Motion - Some ground motion is locked, in which we see no motion across a plane. Other ground motion is creeping, in which we see slow, continuous motion. 3. Elastic Rebound Theory - Begins with unbent rocks which over time experience stress, which build up and eventually results in the rock breaking, which produces an earthquake 4. Faults are physical representations of earthquakes at the Earth's surface. There are 3 major types of faults: normal, reverse, and strike-slip. 5. Most damage from earthquakes is caused by ground shaking which can lead to building collapse, landslides, tsunamis, liquefaction, and fire. 6. We can build structures using steel that are more resistant to reduce damages. Important Earthquake Examples: 1. We have identified 5 key earthquake hazard regions in the US that we will be investigating over the next few class periods: o San Francisco Bay o Los Angeles o Seattle o Salt Lake City o Memphis2. Large earthquakes have occurred associated with plate boundaries in the US causing significant damage. We investigate the 1906 San Francisco Earthquake, 1989 San Francisco Earthquake, 1994 Los Angeles - Northridge Earthquake, and 1700 Seattle Earthquake 3. There are also large earthquake hazard potentials in the interior US, far away from plate boundaries. We examine Salt Lake City (Wasatch Fault) and Memphis (New Madrid Seismic Zone). Questions for Investigation: 1. Which US cities have high earthquake hazard potential? 2. Of the earthquakes we investigate, which caused the most damage? What factors led to so much damage? Which caused the least damage? What factors led to less damage? 3. How do you recognize a type of fault based on the pattern of earthquakes? 4. What type of of plate boundary is each of the 5 regions located near? Seismic Waves & Earthquake Mitigation: 1. Earthquakes release energy, which produce seismic waves that travel around the globe - P-waves are the fastest and can travel through solids and liquids. S-waves are the second fastest and can only travel through solids. Surface waves are the slowest, can only travel at Earth’s surface, and generate the most destruction. 2. A seismometer placed in the ground will record seismic waves on a seismogram. On a seismogram, we can investigate the P-wave and S-wave arrival times to locate an earthquake. 3. The size and severity of an earthquake is measured on scales, either a Magnitude scale or a Mercalli scale. There are two types of Magnitude scales, Richter scale and Moment Magnitude scale, which range from 1 to 9+ and are

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