Tsunamis can move really fast, they can move at a rate of 100 mph and smash the shore with massive waves as high as 120 feet or more. From where the area of the tsunamis originate waves travel outward in all directions. When the wave reaches the shore it can build in height. The topography of the coastline and the ocean floor will influence the magnitude of the wave. In many cases there have been more than one wave succeeding one may be larger than the one before. This is the reason why one small tsunami can have an even larger one than the one before and can cause a devastating outcome. Every Tsunami can be potentially dangerous they can strike anywhere along United States coastlines. Drowns are the most common cause of death during a …show more content…
In some cases they can start even with no visible signs of rain. Flash floods can form from excessive rainfall, a dam, or levee failure. In some cases a sudden release in water can be caused by an ice jam. Flash floods often have a dangerous massive wall of water carrying rocks and debris, overland floating is one of the most common type of flooding. This event occurs when waterways such as streams or rivers overflow its banks as a result of excessive rainfall or Levee break. This event can cause lighting. Surrounding areas and can do expensive damage to houses, buildings, vehicles, and wildlife low-lying areas are a primary target for floods since the ground is so