Question

fast moving waves which reach the earth earliest are called​

Answer 1

Answer:

Explanation: Compressional waves are also called P-Waves, (P stands for "primary") because they are always the first to arrive. They gave us the first jolt last Friday. Shear waves propagate more slowly through the Earth than compressional waves and arrive second, hence their name S- or secondary waves.

Answer 2

Answer:

The answer is compressional waves / P-waves