YOU SAID:
the crust is crumbling under the pressure
INTO JAPANESE
地殻は圧力の下で崩壊しています
BACK INTO ENGLISH
The crust is collapsing under pressure
INTO JAPANESE
地殻は圧力下で崩壊している
BACK INTO ENGLISH
The crust is collapsing under pressure
That didn't even make that much sense in English.