地震 じしん前兆 ぜんちょう現象 げんしょうじゃありませんでした
jishinzenchōgenshōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 地震前兆現象

1. Was not a pre-earthquake anomaly.; Was not an earthquake precursor phenomenon.

Past/Perfective
Negative
Polite
Terminal Form