With the weather being wet, then dry, and then wet again, mother nature and expanding/contracting soils to move foundations around.
This is another photo of the same wall, just from a different angle. You can see where the wall shifted, settled, and dropped down away from the house. As you can see, this block wall is in need of repair or replacement.
Pieces of a foundation wall falling onto the floor leaving a gaping hole in the foundation wall.
Failing foundation wall being held up by temporary bracing system.
Album Description
This is from a settled and broken foundation basement wall job.