Question

What did the pattern of earthquakes in the Wadati-Benioff seafloor zones show scientists??

Answer 1

Slabs of ocean floor return to the mantle in subduction zones.

is the grad point answer

Answer 2

The answer is that it showed the scientist that on the area of the mantle from the subduction zones the slabs of the ocean floor remains or returns after such tectonic movement or earthquakes.