南海 なんかいトラフ地震 じしんではありません
nankaitorafujishindewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 南海トラフ地震

1. It is not the Nankai Trough earthquake.; It isn't the Nankai Trough earthquake.

Negative
Polite
Formal Register