SOLUTION: Columbian Earthquake of 1906 At 8.6 on the richter scale, the Colombian earthquake of January 31, 1906, was one of the strongest earthquakes on record. Use the formula log(I)-log

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Question 44034: Columbian Earthquake of 1906 At 8.6 on the richter scale, the Colombian earthquake of January 31, 1906, was one of the strongest earthquakes on record. Use the formula log(I)-log(Io) to write I as a mulitple of Io for this earthquake.
Answer by fractalier(6550) About Me  (Show Source):
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We have log(I) - log(Io) = 8.6
and then by the laws of logarithms we have
log (I/Io) = 8.6
I/Io = 10^8.6
I = (Io)(10^8.6) or about 400000000 * Io