Hopefully she lays the eggs. watch to make sure the tunnel does not collapse on her.Sorry I thought I added the picture. It is probably a little deeper than 6 inches but it’s not super deep. I got the soil from Petco in the reptile isle. It is moist enough to hold a tunnel. View attachment 294069
IF she does not lay them and starts becoming lethargic then you need a reptile vet quickly for her.