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Geography, 28.09.2019 04:30 DroctorWellsfan
(a) a strike slip earthquake has occurred in california, perhaps a repeat of the 1906 great earthquake. what is the first vertical (z) motion of a p wave observed at storrs, ct? up or down? justify your answer showing a sketch of the lower hemisphere of the focal sphere and a cross section of the focal sphere showing the ray path. you may need to look at a globe to think about this problem.
(b) suppose we had three-component seismograph that recorded this p wave. what would the first motion be on the ns component, n or s? what would the first motion e on the ew component, e or w? justify your answer by discussing briefly p particle motion and its relation to ray path.
(c) from what you have learned doing problem 2b above, explain how you could estimate the azimuth of an earthquake from a particular seismic station by taking measurements on the p wave measured on the three components of ground motion.
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(a) a strike slip earthquake has occurred in california, perhaps a repeat of the 1906 great earthqua...
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