Jagged cracks stair step cracks and 45 degree angle cracks generally signify structural movement or settling issues that are occasionally serious but usually harmless.
Stair step cracks stucco from ceiling to floor.
According to almost home stair step cracks in cinder block foundation walls usually found in unfinished basements are a result of soil settling beneath the center of the wall.
Step cracks showing on stucco go through to the other side of the cinder block.
This type of crack suggest that there may be a structural issue i e.
A crack a 16th of an inch or.
This promotes water intrusion bugs and costly repairs.
A typical cause of diagonal or step cracking in a concrete block wall and some brick or other cmu walls is frost heave or settlement but as you can see in the photo below a collapsing masonry block foundation may also show diagonal cracking near wall corners.
A foundation issue or framing issue.
Basically a continuous crack going through the ceiling and the wall.
Ceiling cracks that run across the ceiling to the wall and then downward on the wall.
Ceiling cracks running diagonally across ceiling.