The intensity levels I of two earthquakes measured on a seismograph can be compared by the formula log(I1)/(I2)=M1-M2 where M is the magnitude given by the Richter Scale. In August 2009, an earthquake of magnitude 6.1 hit Honshu, Japan. In March 2011 , that same region experienced yet another, more devastating earthquake, this time with a magnitude of 9.0 .^[23] How many times greater was the intensity of the 2011 earthquake? Round to the nearest whole number. | Numerade
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