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in 2009 an earthquake of magnitude 6.7 shook the kermadec islands off the coast of new zealand. also in 2009 an earthquake of magnitude 5.1 occured in the alaska peninsula. How many times stronger was the kermadec earthquake. Use formula log (I1/I2)=m1-m2

A.39.811
B.20.593
C.5.77
D..025

4 answers

a is correct.

What is the answer

For the whole test ppl I need answers

c is right

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