群ぐん衆しゅう雪崩なだれ

noun

crowd collapse; crowd avalanche

A disaster phenomenon where a densely packed crowd collapses, often resulting in crushing injuries or fatalities. Used in safety and disaster prevention contexts.

• 群ぐん衆しゅう雪崩なだれが発はっ生せいし、多おおくの人ひとが負ふ傷しょうした。

  A crowd collapse occurred, and many people were injured.

• イベント会かい場じょうでは群ぐん衆しゅう雪崩なだれを防ふせぐための対たい策さくが必ひつ要ようだ。

  At event venues, measures to prevent crowd collapses are necessary.