MQ_San Andreas (1)

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0836

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Civil Engineering

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Dec 6, 2023

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EES 0836 San Andreas Movie Questions Disasters: Geology vs. Hollywood Introduction In the aftermath of a massive earthquake in California, a rescue-chopper pilot makes a dangerous journey with his ex-wife across the state in order to rescue his daughter. - imdb.com Learning Objectives Critically assess the portrayal of science, earthquake behavior, and emergency response along the San Andreas fault system in the movie San Andreas (2015). (4, 5, a) Part 1: Watch the movie As you are watching the video clips, look for the answers to the following questions. 1. It’s unclear if an earthquake caused the landslide in the opening scene, but in real life, can earthquakes cause mass wasting events? How can this happen? Yes, Earthquakes can cause mass wasting events by triggering the failure of slopes. 2. Is Dr. Hayes’s prediction about the “next big one” different from how earthquakes are predicted today? Dr. Hayes prediction of the next big one, along the San Andreas fault, he uses short term forecasting, which is extremely challenging in real time. The technology he used also looked a bit exaggerated than what would be expected in real time. 3. If you “discovered” that there are active fault lines in Nevada, does it seem plausible that you would be able to use them to help you predict earthquakes? What is the likely reason why they are recording earthquakes in this area? (Feel free to review lecture notes.) Yes this would be extremely valuable in predicting future earthquakes, as fault lines serve as a great indicator. Also tracking foreshocks would serve purposeful. 4. Is evacuating a building the best course of action during an earthquake? If not, what is? No, this would not be the best course of action. The best thing to do would be to take cover under something sturdy and hope for the best. 5. Whoa, that’s a lot of destruction! You can clearly see seismic waves propagating across the landscape. What type of wave do you think this is? Explain your reasoning. A good mix of P and S waves are seen in those scenes, as you see initial jolts are vibrations of nearby buildings or people.
EES 0836 6. Dr. Hayes explains on the news that San Francisco will “get hit again, with a 9.5M event or higher. It will be so big that people on the east coast will feel it.” What is wrong with this statement? While there are earthquakes that can be felt on the east coast, a 9.5 in California will not be felt on the east coast. 7. The Rock and his wife are warned that the road is out ahead. They come to a place where the earth has been displaced. There are two types of faults here. Name one of them and explain your reasoning. ( If you can name them both, that would be awesome! ) The two types of faults in this scene are normal reverse faults. 8. How does the Rock know that a tsunami is coming? What is this part of the wave actually called? The rock saw that the ocean was acting strange, in which he saw a “drawback” of the waves, indicating a tsunami. 9. What is wrong with how the tsunami wave is depicted? There are a few height and speed exaggerations with the waves, as well as the wave behavior. 10. Why would you NOT see a local tsunami occur in the San Francisco area? Since Tsunamis are typically normalized with subduction zones, San Andreas is home to a transform fault, which is horizontal and does not contain threat for a tsunami. 11. As the parents are looking for their daughter, the water is no longer moving inland. Should our heroes be concerned about anything else? Why/why not? Yes, they should be worried for aftershocks, which usually happen after large earthquakes. They should also be on the lookout for debris and additional waves. 12. The aerial shot at the end?!?! Really again with this misconception? What happened? Why is this not valid? In this aerial shot, the waves of the tsunami are again, greatly exaggerated and heighted to look more scary.
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