allureohicks allureohicks 03-12-2021 Chemistry contestada 5. What happens when plates diverge? As plates diverge the boundaries of the plates begin to sink into the mantle. O Hot spots form under land masses producing volcanos and lava flows creating island chains. O Plates separate and magma from the mantle fills the space and solidifies. As plates diverge they move laterally past each other creating seismic disturbances.