Tsunami powerpoint
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A tsunami is a series of waves caused by the displacement of a large volume of water, usually in an ocean. Earthquakes, volcanic eruptions, landslides, explosions, meteorite impacts and other disturbances above or below water can generate a tsunami. Unlike wind-driven waves, a tsunami is caused by the displacement of water. Most tsunamis are generated by earthquakes occurring in subduction zones along plate boundaries. Tsunamis have extremely long wavelengths, over 100 km, and travel at high speeds of 400 to 500 mph. Their long wavelengths allow tsunamis to travel great distances with little loss of energy, making them still destructive even after traveling thousands of miles.
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This document provides information about tsunamis through several examples of destructive tsunamis throughout history. It discusses what causes tsunamis, how they propagate and grow in shallow water, and their devastating effects on coastlines. Specific tsunamis summarized include the 1929 Grand Banks tsunami that killed 29 in Newfoundland, the 1946 Aleutian tsunami that caused over $165 million in damage and deaths in Hawaii, and the 1996 Peru tsunami that struck cities along 590 km of coastline.
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The document provides information about tsunamis, including how they are formed by earthquakes, volcanic eruptions, or landslides under water. It discusses how tsunamis can affect people mentally, emotionally, and financially by destroying homes and infrastructure. The document outlines tsunami awareness steps before, during, and after a tsunami occurs, such as evacuating to higher ground if warned and helping others after the tsunami passes.
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Tsunamis are powerful waves that can reach over 100 feet tall and travel at speeds over 60 mph. They have the force to lift vehicles and demolish buildings, maintaining their energy as they cross entire cities. Hawaii faces the greatest risk from tsunamis in the United States, experiencing around one per year on average, and the waves can sound like a freight train as they approach land.
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this is one of my projects that I had made for my class X holiday homework, I hope this can help you gain some information about tsunamis and if you also want to make a project like this, I hope I have helped you. - mansvini
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Tsunami
This is a PowerPoint Presentation based strictly on Tsunami.
Here one can find the following details about Tsunami:
Definition of Tsunami
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And other more useful details .
So Hope you like it
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A tsunami is a series of waves caused by the displacement of a large volume of water, usually in an ocean, and can be triggered by earthquakes, volcanic eruptions, landslides, and other disturbances above or below water. The 2004 Indian Ocean earthquake and tsunami was one of the most devastating, killing over 230,000 people. Predicting tsunamis is difficult but signs like sudden sea level changes can serve as a brief warning. Safety measures include moving to high ground at least 30 feet above sea level within 20 minutes of a strong earthquake and heading out to sea if in a boat.
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This document provides information about tsunamis through several examples of destructive tsunamis throughout history. It discusses what causes tsunamis, how they propagate and grow in shallow water, and their devastating effects on coastlines. Specific tsunamis summarized include the 1929 Grand Banks tsunami that killed 29 in Newfoundland, the 1946 Aleutian tsunami that caused over $165 million in damage and deaths in Hawaii, and the 1996 Peru tsunami that struck cities along 590 km of coastline.
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The document provides information about tsunamis, including how they are formed by earthquakes, volcanic eruptions, or landslides under water. It discusses how tsunamis can affect people mentally, emotionally, and financially by destroying homes and infrastructure. The document outlines tsunami awareness steps before, during, and after a tsunami occurs, such as evacuating to higher ground if warned and helping others after the tsunami passes.
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Tsunamis are powerful waves that can reach over 100 feet tall and travel at speeds over 60 mph. They have the force to lift vehicles and demolish buildings, maintaining their energy as they cross entire cities. Hawaii faces the greatest risk from tsunamis in the United States, experiencing around one per year on average, and the waves can sound like a freight train as they approach land.
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This document summarizes coastal hazards and disaster preparedness in Bangladesh. It discusses the major coastal hazards including cyclones, storm surges, flooding, riverbank erosion, coastal erosion, and subsidence. Cyclones and associated storm surges have caused devastating flooding and loss of life. Sea level rise and more frequent extreme weather events are increasing risks. Mitigation measures proposed include reinforced embankments, barriers, and developing new land while maintaining fresh water flows. Despite limited resources, Bangladesh is working to establish disaster management systems and reduce losses from natural hazards.
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Thankyou
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Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. They can take less than an hour to reach nearby coasts within 100km, 1-3 hours to reach coasts 100-1000km away, or more than 3 hours to cross oceans and strike coasts over 1000km from the quake epicenter. Signs of an approaching tsunami include strong ground shaking, unusual sea level changes, an abnormally large first wave that may not be the biggest, and a loud ocean roar. Tsunamis consist of a series of waves that can last up to 30 minutes each and pose a danger that may persist for hours or even days. People in coastal areas should immediately evac
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Tsunami
Tsunami is a Japanese word Tsu means ‘harbour’ and nami means ‘wave’.
They are called tidal waves but they have actually nothing to do with the tides. However their appearance from shore is similar to rapidly rising or falling tides.
Tsunami is a series of wave created when water is moved very quickly.
Tsunami is gravity wave system, triggered by vertical disturbances in ocean. They are long waves sometime with hundreds of miles b/w their crests, just like the concentric waves generated by an object dropped into a pool.
First tsunami was recorded in 1480 B.C. in eastern Mediterranean, when the Minoan civilization was wiped out.
A large tsunami accompanied by the earthquake of Lisbon in 1755.
The Kutch earthquake of June 16, 1819 generated strong tsunami which submerged the coastal areas and damage to ships and country made boats of fishermen.
North and South American records have dated such
events back to 1788 for Alaska and 1562 for Chile. Records of Hawaiian tsunami go back to 1821.
Tsunami hits the Mona Passage off Puerto Rico in 1918, grand banks of Canada in 1929.
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Tsunami are large sea waves caused by earthquakes, volcanic eruptions, or landslides under the sea. They are difficult to detect in deep water due to their extremely long wavelengths. When they reach shore, they can cause devastating damage through their immense force and volume of water. Countermeasures include maintaining tsunami detection equipment, educating people on evacuation procedures, constructing seawalls, and being especially alert after strong earthquakes.
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1) Tsunamis are large, destructive waves caused by underwater earthquakes, volcanic eruptions, landslides or other disturbances that displace large volumes of water.
2) While difficult to detect in deep ocean waters, tsunamis slow down and increase in height as they reach shallow coastal waters, where they can cause catastrophic damage by rapidly flooding low-lying areas.
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A tsunami is a series of water waves caused by the displacement of a large volume of water, often from earthquakes, volcanic eruptions, landslides or other disturbances below or above water. Tsunami waves have a very long wavelength and can cause enormous destruction in coastal areas, with wave heights over tens of metres. The 2004 Indian Ocean tsunami was one of the deadliest natural disasters, killing over 290,000 people across 14 countries.
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Tsunami is a Japanese word Tsu means ‘harbour’ and nami means ‘wave’.
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Tsunami is a series of wave created when water is moved very quickly.
Tsunami is gravity wave system, triggered by vertical disturbances in ocean. They are long waves sometime with hundreds of miles b/w their crests, just like the concentric waves generated by an object dropped into a pool.
First tsunami was recorded in 1480 B.C. in eastern Mediterranean, when the Minoan civilization was wiped out.
A large tsunami accompanied by the earthquake of Lisbon in 1755.
The Kutch earthquake of June 16, 1819 generated strong tsunami which submerged the coastal areas and damage to ships and country made boats of fishermen.
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Tsunamis are caused by large earthquakes at subduction zones where tectonic plates meet. In the deep ocean, tsunamis travel very quickly but with small amplitude. As they approach land, their speed slows and their amplitude grows dramatically. Tsunamis cause damage through both the force of the wall of water and the destructive power of a large volume of water draining off the land while carrying large debris. The 2004 Indian Ocean tsunami was caused by a 9.0 magnitude earthquake off the coast of Sumatra, displacing a huge volume of water and causing over 155,000 fatalities across South and Southeast Asia.
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3) International warning systems use seismic and ocean monitoring technologies to detect tsunamis and issue alerts, but coastal evacuations must be rapid as some tsunamis can reach shore in just minutes.
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This document summarizes information about tsunamis. Tsunamis are large sea waves caused by underwater earthquakes, landslides, or volcanic eruptions. When tsunamis reach shore, their amplitude increases and their speed decreases, often resulting in widespread damage. The 2004 Indian Ocean tsunami was particularly devastating, killing over 200,000 people across several countries. While tsunamis cannot be controlled, understanding their causes and characteristics can help reduce loss of life.
Tsunami
Tsunamis are not single waves, but rather "wave trains" consisting of multiple waves that pound the shoreline repeatedly. They are generated when earthquakes or landslides cause the seafloor to abruptly deform and vertically displace the overlying water. As the tsunami wave travels from deep to shallow water, its wavelength decreases rapidly, causing the water to pile up into tremendous crests in a process called "shoaling". Most tsunamis are caused by earthquakes in subduction zones, where an oceanic plate is being forced down into the mantle by plate tectonic forces, causing the plates to become stuck and energy to accumulate over long periods of time. Tsunamis most frequently occur in the
Tsunami Description
Tsunamis are not single waves, but rather "wave trains" consisting of multiple waves that pound the shoreline repeatedly. They are generated when earthquakes or landslides cause the seafloor to abruptly deform and vertically displace the overlying water. As the tsunami wave travels from deep to shallow water, its wavelength decreases rapidly, causing the water to pile up into tremendous crests in a process called "shoaling". Most tsunamis are caused by earthquakes in subduction zones, where an oceanic plate is being forced down into the mantle by plate tectonic forces, causing the plates to become stuck and stored seismic energy to build over long periods of time. Tsunamis most frequently occur
AKSHAT JAIN production
Tsunamis are powerful waves generated by earthquakes, landslides, volcanic eruptions, or other disturbances that displace large volumes of water. They can reach over 100 feet tall and travel at speeds up to 60 mph, carrying enough force to lift cars and demolish buildings. Unlike ordinary wind-driven waves, tsunamis have extremely long wavelengths, sometimes exceeding 100 km, and periods of around an hour. When generated by earthquakes, tsunamis are caused by vertical movements of the seafloor that displace the overlying water from its equilibrium position.
Fikri dinulmaula presentation1
Tsunamis are series of massive waves generated by earthquakes, landslides, or volcanic eruptions that displace large volumes of water. Most tsunamis are caused by earthquakes in subduction zones where tectonic plates converge, causing accumulated energy to suddenly release. As the plates stick together over decades, stress builds until the plates slip in an instant, shoving water upwards and generating tsunami waves. Tsunamis can travel across entire ocean basins, causing widespread damage when the waves finally crash into distant coastlines. While most frequent in the Pacific Ocean, tsunamis can occur anywhere large bodies of water exist, such as inland lakes generated by landslides, making them a global threat.
Fikri dinulmaula presentation1
Tsunamis are series of massive waves generated by earthquakes, landslides, or volcanic eruptions that occur undersea or by meteorite impacts. They are caused most often by earthquakes in subduction zones where tectonic plates converge. As the plates push against each other and strain builds, it is suddenly released in an earthquake, displacing water and generating tsunami waves. Areas near subduction zones like Japan are most at risk. When tsunamis reach land, they cause catastrophic damage through massive flooding. Understanding their causes can help identify locations that may experience future tsunamis.
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Tsunami powerpoint
- 1. TSUNAMI
- 2. The devastating impact of seismic sea waves
- 3. A tsunami from Japanese"harbor wave” English pronunciation:, also known as a seismic sea wave, is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and other underwater explosions (including detonations of underwater nuclear devices), landslides, glacier calvings, meteorite impacts and other disturbances above or below water all have the potential to generate a tsunami Unlike normal ocean waves which are generated by wind or tides which are generated by the gravitational pull of the Moon and Sun, a tsunami is generated by the displacement of water.
- 4. How do EQ cause tsunami?
- 5. Tsunami causes Unless there is an underwater landslide, strike-slip EQ WILL NOT cause tsunami Most tsunami generated by subduction zones Chile, Alaska, Japan, Cascadia, Philippines, New Zealand
- 6. Tsunami wavelength Long wavelengths (over 100 km) Periods longer than 1 hour 316,800 ft = 60 miles
- 7. Tsunami wave speed Travel at high speeds : 400 to 500 mph (~200 yards/sec) Alaska to CA 4 to 7 hrs Alaska to Hawaii 4 to 6 hrs Chile to Hawaii 14 to 15 hrs Chile to Japan 22 to 33 hrs
- 9. Tsunami Warning When warning is issued – low lying areas are evacuated U.S. Coast guard issues warnings over marine frequencies Some places have sirens
- 10. Energy in tsunami Waves can travel great distances and still be very distructive Loss of energy in a wave is inversely proportional to λ Since λ very long, little energy lost