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Probably the worst case scenario is an ocean-travelling tsunami that hits quickly shoaling water (goes from very deep to very shallow) in a funnel-shaped bay. This happened in the Alaska tsunami (can't recall the town name!), where the wave didn't have time to dissipate energy over a gently sloping bottom, and so the full force of the wave hit the bay.
As the mouth of the bay was wider than the beach in this case, the energy was even more concentrated. In this record case, it appears the waters climbed at least 1,000ft up the walls of the canyon (with indications it may have gone much higher).
However, considering all the world's Coastlines, this worst case is rare. And in areas that have long areas of gentle shoaling up from abyssal deeps, you'll find that tsunamis won't do any damage at all, unless the causal event occurs directly close offshore .
What else can I help you with?
How does a tsunamis start and how they develop?
Tsunamis are typically triggered by underwater earthquakes, volcanic eruptions, or underwater landslides. When these events occur, they displace a large volume of water, creating a series of powerful waves that can travel across the ocean at high speeds. As the waves approach shallow coastal areas, they slow down and their energy is concentrated, resulting in a devastating surge of water onto land.
Can deep-water and shallow-water waves exist at the same point offshore?
Yes, deep-water and shallow-water waves can exist at the same point offshore. In areas where the water depth changes gradually, both types of waves can coexist in the same location. Deep-water waves occur in deeper waters where the water depth is greater than half the wavelength, while shallow-water waves occur in shallower waters where the water depth is less than half the wavelength.
Do tsuamis always come after a hurricane?
No. Tsunamis have absolutely nothing to do with hurricanes. Tsunamis are generally triggered by undersea earthquakes or landslides. While they are called waves, they are different from normal wind driven waves in that they are much longer, and so carry more water for a given height.
Why are tsunamis not like tidal waves?
Tsunamis are caused by underwater disturbances such as earthquakes or volcanic eruptions, while tidal waves are caused by the gravitational pull of the moon and sun. Tsunamis have longer wavelengths and travel faster than tidal waves. Additionally, tsunamis can be much more destructive due to their energy and force.
What causes tsunamis floods?
No. Tsunamis are classified as huge tidal waves. Tsunamis cause floods when the waves hit the shore and the water rushes inland.
How are waves and tsunamis alike?
they all have to do with water.
What is shallow water waves?
Shallow water waves are waves that occur in water depths smaller than half the wavelength of the wave. These waves are influenced by the seabed, causing them to slow down and pile up as they approach shallow waters. Shallow water waves are commonly seen in coastal regions and can influence the wave height and speed.
What happens to the frequency and wave lengths as waves enter shallow water?
describes the effect of water waves passing into shallow water?
How many ships sunk on open ocean by tsunamis?
None in the open ocean because in the open ocean the tsunami waves are not very large. They only build as they hit shallow water.
How does the ocean waves change when it reaches shallow water?
When ocean waves reach shallow water, their speed decreases and their height increases. This process is called wave shoaling. The wave energy is forced to compress, causing the waves to break and become steeper before crashing onto the shore.
Why there is no waves in rameswaram?
it is a shallow water type
How does a tsunamis start and how they develop?
Tsunamis are typically triggered by underwater earthquakes, volcanic eruptions, or underwater landslides. When these events occur, they displace a large volume of water, creating a series of powerful waves that can travel across the ocean at high speeds. As the waves approach shallow coastal areas, they slow down and their energy is concentrated, resulting in a devastating surge of water onto land.
Can deep-water and shallow-water waves exist at the same point offshore?
Yes, deep-water and shallow-water waves can exist at the same point offshore. In areas where the water depth changes gradually, both types of waves can coexist in the same location. Deep-water waves occur in deeper waters where the water depth is greater than half the wavelength, while shallow-water waves occur in shallower waters where the water depth is less than half the wavelength.
Are tides deep water or shallow water waves?
Deep Water
Do tsuamis always come after a hurricane?
No. Tsunamis have absolutely nothing to do with hurricanes. Tsunamis are generally triggered by undersea earthquakes or landslides. While they are called waves, they are different from normal wind driven waves in that they are much longer, and so carry more water for a given height.
Why are tsunamis not like tidal waves?
Tsunamis are caused by underwater disturbances such as earthquakes or volcanic eruptions, while tidal waves are caused by the gravitational pull of the moon and sun. Tsunamis have longer wavelengths and travel faster than tidal waves. Additionally, tsunamis can be much more destructive due to their energy and force.
Is water the medium for earthquake waves?
No. Seismic waves travel through rock and sediment.Sea waves (tsunamis) are not generated by earthquake vibrations, but by the displacement of ocean water, which leads to the formation of waves when the crest reaches shallower water.
