Mathematics, 25.02.2020 21:02 cesar566

The Richter magnitude M is given by the model m=log(I/I_0) where I is the intensity of the earthquake in 100 km from the epicenter and I_0 is the smallest seismic activity that can be measured. A recent earthquake measured 6.2 on the Richter scale. How many times more intense was this earthquake than an earthquake that measured 5.8 on the Richter scale?

2.5 times more intense

5.5 times more intense

2.9 times more intense

3 times more intense

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