It is called a divergent boundary. Another term for it is sea-floor spreading.
If you mean tetonic plates, then no, sliding tetonic plates cause earthquakes.
Tectonic Plate
tetonic plates in a transform boundary
the upper mantle
Yes they do.
tetonic plates
The sea mounts help us understand the movement of tetonic plates because when the tetonic plates move's the earth's crust making little formations of sand underwater.
Volcanoes, caused by slipping plates, and earthquakes, caused by rubbing plates.
Tectonic plates are made of the Earth's crust. The convection caused by the mantle makes them move.
On average, about 2 centimeters per year.
the two tetonic plates collided and made a earthquake
iit is usually the tetonic plates