(n) a cataclysm resulting from a destructive sea wave caused by an earthquake or volcanic eruption, Example:a colossal tsunami destroyed the Minoan civilization in minutes
[トモダチさくせん(トモダチ作戦);ともだちさくせん(友達作戦), tomodachi sakusen ( tomodachi sakusen ); tomodachisakusen ( tomodachi sakusen )] (n) Operation Tomodachi; United States Armed Forces assistance operation to support Japan in disaster relief following the 2011 Tohoku earthquake and tsunami
[ひきなみ, hikinami] (n) (1) (See 寄せ波) backwash; rip current; undertow; (2) stern wave; (3) (See 押し波) drawback (of a tsunami, i.e. when a wave trough reaches land before a crest)