Which statement correctly describes why earthquakes happen?

Earth's crust switches places in a periodic manner.
Earth's crust switches places in a periodic manner.

Earth's crust near magma melts, and the ground collapses.
Earth's crust near magma melts, and the ground collapses.

Earth's crust undergoers a cycle from a solid material to magma.
Earth's crust undergoers a cycle from a solid material to magma.

Earth's crust suddenly slips along a fault.
Earth's crust suddenly slips along a fault.

The statement "Earth's crust suddenly slips along a fault" correctly describes why earthquakes happen.