首都 しゅと直下 ちょっか がた地震 じしんでしょう
shutochokkagata jishindeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 首都直下型地震

1. Probably a direct-hit earthquake under the capital.

Polite
Presumptive
Conjecture