earth science

#1.  How were earthquake intensities measured before the advent of the Richter scale? What were the problems with that scale, and how is the Richter scale far superior?

# 2 At one time it was thought that the deep-ocean trenches at subduction zones would be a good place for disposal of high-level radioactive waste. Why is this not a good idea? Explain what can happen at a subduction zone and what might occur if the waste were buried there. (Hint: see oceanic-continental convergence.)

 300 words each

1 reference each

apa format