緊きん急きゅう火か山ざん情じょう報ほう

noun

emergency volcanic alert; urgent volcanic information

Official term used by meteorological agencies for urgent bulletins about volcanic activity, such as eruption warnings.

• 気き象しょう庁ちょうは緊きん急きゅう火か山ざん情じょう報ほうを発はっ表ぴょうした。

  The Japan Meteorological Agency issued an emergency volcanic alert.