6. Question Details The Northridge, California, earthquake of 1994 had a magnitude of 6.8 on the Richter scale. A year later, a 7.2-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 7. Question Details One historic earthquake had a magnitude of 8.5 on the Richter scale. How many times more intense was this than another historic earthquake that had a magnitude of 8.2? (Round your answer to the nearest whole number.) times 8. Question Details Earthquake A had a magnitude of 8.1 on the Richter scale. At the same time an earthquake B with magnitude 4.6 caused only minor damage. How many times more intense was earthquake A than earthquake B? (Round your answer to two decimal places.) times 9. Question Details If one earthquake is 20 times as intense as another, how much larger is its magnitude on the Richter scale? (Round your answer to one decimal place.)