


Neon Genesis Evangelion when Adam/Antarctica blew up during Second Impact, a "ripple" almost a quarter-mile (four-hundred meters) tall in places spreads outward, wiping out every coastal city in the southern hemisphere, and continues to wreak havoc in the northern.In Mobile Suit Gundam 00, in the mission to rescue Allelujah, Ptolemaios II crashed into the sea creating a wall of water that caused quite substantial damage to the A-Laws base.The mermaids in Hekikai No AION use tsunamis to hunt down humans for their psyche.Unfortunately for Lucy, it has pretty bad friendly fire so she tends to open the Gate of the Water Bearer as a last resort. Aquarius in Fairy Tail has this as her main attack.Apparently he never thought about the consequences of his actions. In Dragon Ball Z, Goku created several of these, as well as earthquakes, around the world while powering up to SSJ3.Banner of the Stars 2 demonstrates a tidal wave launched by emergency takeoff of a starship from water surface nearby.If you are on a cruise ship or an aircraft carrier, a wave big enough to qualify for this trope could wipe out entire small coastal villages once it hits land. If you can haul your boat on a trailer behind the family automobile, a 10 foot / 3 meter wave can be a major problem. If you are out on the open ocean, a wave only needs to be big enough to capsize your vessel to fully qualify. Perspective and point of view can play with this trope. Can occur when a character who makes a splash really pushes himself to the limit. Inversion of Soft Wateror an aversion, as even being buried by an avalanche of fluffy pillows would likely be quite lethal if there were a few million tons of them moving at 70 miles an hour. When someone steps out of their house and sees a 200-foot-high wall of the stuff stretching away to the horizon and moving at a deceptively patient pace toward them it usually results in an intense Oh, Crap! moment.

Storm surges and flash floods claim hundreds of lives and cause millions of dollars in damage every year, while major disasters such as dam collapses and tsunamis can cause widespread destruction. Water, in large amounts and at anything above a modest velocity, is very dangerous stuff.
