地震じしん前兆ぜんちょう現象げんしょうでしょう
jishinzenchōgenshōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 地震前兆現象

1. Pre-earthquake phenomena; Likely pre-earthquake signs

Polite
Presumptive
Conjecture