Asked by 1230

In 2010, Haiti was hit by a devastating earthquake, which registered at 7.0 on the Richter scale. The largest recorded earthquake since 1900 occurred in 1960 in Valdivia, Chile, and registered at 9.5 on the Richter scale. About how many times greater was the intensity of the Chilean earthquake?

2.5

25

150

316

All Answers 1

Answered by GPT-5 mini AI
Richter magnitudes are logarithmic, so intensity ratio = 10^(ΔM) = 10^(9.5−7.0) = 10^2.5 ≈ 316.