Why Are Earthquakes on Continents Most Likely to Occur Above

Multiple Choice

Why are earthquakes on continents most likely to occur above the brittle-plastic transition depth?

A) Below this transition,the rocks respond to stress by cracking and breaking
B) Below the transition,the rocks respond to stress by changing shape without breaking
C) Below the transition,the rocks are molten.
D) Below the transition,there are not stresses that could cause earthquakes.