MQ_San Andreas

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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. The ground shakes which can set loose large amounts of matter, this then creates a landslide. 2. Is Dr. Hayes’s prediction about the “next big one” different from how earthquakes are predicted today? Yes, Dr. Hayes uses magnetic pulses to predict earthquakes, while in real life seismographs are the closest technology we have to predicting earthquakes. 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, it does seem plausible. I would look at the past activity that occurred at the fault to understand how often it is active and how strong the earthquakes usually are. This would help to predict what may happen in the future. 4. Is evacuating a building the best course of action during an earthquake? If not, what is? No, it’s best to get underneath something like a table or desk and to stay put while covering your head and torso. 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. I think they are S waves, since the ground was moving up and down.
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? There are a few things wrong with this statement. Firstly, I don’t think San Francisco has even been hit with an earthquake over 9M, so that is unlikely. Second, two massive earthquakes would not occur back-to-back. Finally, the east coast would absolutely not feel an earthquake from the San Andreas fault. 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! ) I think it’s a strike and slip fault, because they are going past each other. 8. How does the Rock know that a tsunami is coming? What is this part of the wave actually called? The water level in the ocean is decreasing as the water recedes from the shore, and this is called a drawback. 9. What is wrong with how the tsunami wave is depicted? Since the San Andreas fault is mostly on land, a tsunami that big would not happen. In addition, tsunamis look like huge waves of water instead of a cresting wave. 10. Why would you NOT see a local tsunami occur in the San Francisco area? There are no subduction zones in that area. 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, the heroes should be concerned that the tide from the tsunami will take everything in it’s path back with it to the ocean. 12. The aerial shot at the end?!?! Really again with this misconception? What happened? Why is this not valid? It looked like San Francisco had broken off from California, forming an island of its own. This is impossible since the San Andreas fault is a strike and slip fault.
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