They are called constructive boundaries. New crust is constructed as the plates move apart and magma erupts.
Spreading centers.
Seafloor is created at divergent plate boundaries called the mid-ocean ridges.
divergent boundaries
divergent
Convergent boundaries (plates moving toward each other, also called destructive boundaries), divergent boundaries (plates moving away from each other (sometimes called constructive boundaries), fault lines (sideways movement).
Diverging tectonic plates.
convergent boundaries collide but divergent boundaries move away from each other.
Divergent boundaries - two plates Pull away from each other. Convergent boundaries - when two plates collide forming trenches or causing earthquakes. Tranform boundaries - two plates slide past each other
In plate tectonics, divergent boundaries occur when plates pull apart. On land, divergent boundaries form rifts or valleys. More commonly, divergent boundaries in the ocean occur and cause mid-oceanic ridges. Divergent boundaries can also form volcanoes when the plates separate enough to allow molten lava to seep out, harden, and eventually form islands.
divergent boundaries happen when 2 plates move apart or divide
Divergent boundaries are found primarily along mid-ocean ridges, where tectonic plates are moving away from each other. Additionally, divergent boundaries can also occur on continents, leading to the formation of rift valleys.
They are called divergent plate boundaries.