Question

An earthquake occurs immediately beneath the Moho where the p-wave velocity is 8000 m/s. A p-wave from the the earthquake propagates into the earth and eventually hits the 660 km discontinuity at an angle that causes it to refract at 90 degress. previous question; at what angle was the wave travelling when originally left the source? 2) Now, consider an S-wave that leaves the source at the same angle as in part 1 above, will this wave make it to the 660 km discontinuity? Justify your answer.

Answer 1

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