Earthquakes
Study Questions: Seismicity 1) Where are most of the world's earthquakes located? Why? 2) List four regions of the world where deep earthquakes occur. 3) List three active faults in the Bay Area. 4) Give the date and location of three large earthquakes that have occurred in the United States outside of California. 5) How can one get an idea of the extent of fault rapture in a large earthquake? 6) How can one anticipate the number of aftershocks of significant magnitude that might occur during the week following a large earthquake? 7) What is the seismic gap theory? 8) What is the definition of seismic moment? What does it measure?