The Northridge, California, earthquake of $1994$ had a magnitude of $6\mathrm{.}8$ on the Richter scale. A year later, a $7\mathrm{.}2-$magnitude earthquake struck Kobe, Japan. How many times more intense was the Kobe earthquake than the Northridge earthquake? $($Round your answer to one decimal place.$)$ times

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The Richter scale is logarithmic and the energy released by a... View the full answer