Final answer:
Earthquake activity along rift valleys occurs at divergent boundaries where moderate earthquakes are common.
Explanation:
Earthquake activity along rift valleys occurs at divergent boundaries. These boundaries, such as continental rifts and mid-ocean ridges, produce moderate earthquakes. Examples include the East African Rift System, Iceland, and the Basin and Range province.
Learn more about earthquake activity along rift valleys here:
https://brainly.com/question/24179224
