Underwater earthquakes cause the sea floor to move violently . Undersea volcanoes cause explosions under the water . Both of these events create huge waves that spread across the surface of the ocean . Tsunamis speed outward away from their source in all directions .
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What is the difference between an earthquake a tsunami and a volcano?
Underwater earthquakes cause the sea floor to move violently . Undersea volcanoes cause explosions under the water . Both of these events create huge waves that spread across the surface of the ocean . Tsunamis speed outward away from their source in all directions .
What countries did 2004 tsunami hit?
The tsunami killed at least 225,000 people across a dozen countries, with Indonesia, Sri Lanka, India, Maldives, and Thailand sustaining massive damage.
Why is there a tsunami after an earthquake?
Although tsunamis occur most often in the Pacific Ocean, they can be generated by major earthquakes in other areas. The most frequent cause of tsunamis…is crustal movement along a fault: a large mass of rock drops or rises and displaces the column of water above it.
What is the relationship between volcanoes earthquakes and tsunamis?
Tsunamis are usually triggered by earthquakes, volcanic eruptions and underwater explosions, landslides and other mass movements. Underseas earthquakes have generated nearly all the major tsunamis in history. Tsunamis can be generated when the sea floor abruptly deforms and vertically displaces the overlying water.
What is the deadliest tsunami ever recorded?
The most devastating and deadliest tsunami was one in the Indian Ocean on Boxing Day, 2004. The tsunami was the most lethal ever to have occurred, with a death toll that reached a staggering figure of over 230,000, affecting people in 14 countries – with Indonesia hit worst, followed by Sri Lanka, India, and Thailand.
Can a tsunami hit UK?
Tsunamis affecting the British Isles are extremely uncommon, and there have only been two confirmed cases in recorded history. Meteotsunamis are somewhat more common, especially on the southern coasts of England around the English and Bristol Channels.
How far would a 1000 foot tsunami travel?
300 meters
How many Brits died in 2004 tsunami?
The Asian tsunami on 26 December 2004 claimed the lives of 149 people who are British citizens or have close links to the UK, say police. Inquests into the deaths of 91 British victims and two foreign nationals, whose bodies were repatriated to the UK, were held at Olympia in London from 5-8 December.
How big was the tsunami from the asteroid that killed the dinosaurs?
The impact did generate a massive tsunami and it was one of the largest waves Earth ever experienced. The asteroid that hit the Earth 66 million years ago was 8-10 km across and traveled from the northeast at a velocity of 20 kilometers per second which is 45,000 miles per hour (!)
Is it possible to survive a tsunami?
Most people do not survive being swept into a tsunami. But there are a few ways you can protect yourself from these natural disasters. Your exact strategy will depend on where you are, and will go a lot more smoothly if you have planned in advance.
What is the safest place to be in a tsunami?
Do not go near the shore to watch a tsunami hit. If you can see it, you are too close to escape. Should a tsunami occur and you cannot get to higher ground, stay inside where you are protected from the water. It’s best to be on the landward side of the house, away from windows.