地じ震しん予よ知ち情じょう報ほう

• 地じ震しん予よ知ち

  地震予知 refers to earthquake prediction itself, while 地震予知情報 is the information or data resulting from that prediction.

• 緊きん急きゅう地じ震しん速そく報ほう

  緊急地震速報 is an early warning system for earthquakes that have already begun, whereas 地震予知情報 is about predicting earthquakes before they occur.

Compound of 地震 (earthquake), 予知 (prediction), and 情報 (information).