衝上 しょうじょ断層 うだんそうでしょう
shōjōda n sōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 衝上断層

1. Probably rushing/surging onto the fault line.; Likely to hit/reach the fault line.

Polite
Presumptive
Conjecture