It is important to study prehistoric earth quakes because they want to be able to tell if they are recurring, how big the earth quakes are. and it could also help in the future to help locals know how to plan for a event like so. I'm sorry if I'm too late..
Answer:
Movements along faults can make it harder for geologists to determine the relative ages of rock layers.
Explanation:
The absolute age of a sample is its age in years. This method of determining absolute age is called radiometric dating, and it involves the decay, or breakdown, of radioactive elements. Using radiometric dating, scientists can determine the actual age of a rock.
