Earth Science Section 12.3 Homework: Earthquakes and Society: Due Friday, 1/31/14
Read Section 12.3, pages 305 to 308 and the links provided. Answer the questions that follow.
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Last Name, First Name *
Period *
Put only the number. Do not put st, nd, rd, or th after the number.
Read the story linked below about concrete buildings in Los Angeles. What does the author say is the main concern with concrete buildings? *
How much bigger is the biggest earthquake ever recorded (M9.5) compared to the Northridge earthquake (M6.7) in terms of energy release, not amplitude on a seismogram. *
Use the "Try it Yourself Calculator" at the following link to answer this: http://earthquake.usgs.gov/learn/topics/how_much_bigger.php
Watch the "Map View" Great Shake Out animation found by clicking the link below. Why might the intensity of earthquake waves seen in the movie change as the rupture moves along the San Andreas Fault?   *
Liquefaction is a scenario seen in the video at the link below. An alternate link is provided in case you are at school and cannot access YouTube. What causes liquefaction and what are the hazards associated with it? *
What can be one of the largest indirect earthquake hazards due to ruptured gas lines that you should check for after an earthquake? *
How can seismic gaps be used to issue earthquake probability estimates? *
What is the percentage likelihood of a 6.5 Magnitude earthquake in La Canada in the next 10 years? *
Use the following link to test the likelihood. Input zip code 91011 instead of using latitude longitude: https://geohazards.usgs.gov/eqprob/2009/index.php
What area of the United States has the highest earthquake hazard risk? *
See graphic on page 308.
What are tsunamis, how are they formed, and what hazards do they pose to humanity? *
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