Question

The ocean floor moves how much per year?

Answer 1

It spreads about 6-16 centimeters (3-6 inches) every year. There is not an ocean trench at the East Pacific Rise, because the seafloor spreading is too rapid for one to develop!

Step-by-step explanation:

Answer 2

The ocean floor moves at different rates depending on the location. In some areas, the ocean floor can move as little as a few millimeters per year, while in other areas it can move several centimeters or more per year. This movement is caused by a variety of factors, including tectonic plate movement, earthquakes, and volcanic activity.