How to repair / reinforce deteriorated footings and subsoil below brick & concrete porch
It looks like somebody tried to lower the basement floor, going about it in a most dangerous way. With that much dirt removed from beside the foundation is a seriously wrong move, I am glad to see it is still up with not much settling. The cracks you show are minor compared to what I have seen in homes that have simply settled or shifted for one reason or another. You need to have a company come in that specializes in underpinning