Native jp speakers - please translate this

しかし助かったのは奇跡と言っていい、

よく岩に潰されなかったものだ…まるで

岩をすり抜けたとしか思えんほどだ…｣

p.s
a big thankyou to whoever it was that translated the other ones.

Small organizational note, but in the future can you please keep your translation questions organized in the same thread rather than posting a new question each time.

しかし助かったのは奇跡と言っていい、
However, it can be said to be miracle that you survived.

よく岩に潰されなかったものだ…まるで
I can't understand why you were not crashed by the rocks.

岩をすり抜けたとしか思えんほどだ…｣
I don't know what else can be said other than you have got through them.

@ the kind mod, sorry about that. i'll keep them organized in one thread.

@ kk
thanks as always.
You've helped cleared up a lot of confusion for english readers of the manga.