Tsunami means harbour waves in Japanese, they are series of waves in a water body
Tsunamis can destroy homes, buildings, land, and it can be very dangerous. So how are they created? Tsunamis occur when an underwater earthquake, underwater explosion, or a volcanic eruption occurs. It lifts up a column of water above it. Gravity pulls the water back down, fanning the waves outward. The waves in the tsunami are spread out, and when the waves meet a continental slope or shallower water, it rises as the water gets shallower.
Where do they mostly occur? Tsunamis are most likely to occur in Japan, Alaska, Philippines, and Chile. These countries are all near the Pacific Ocean where mega thrusts are very common and they are all coastal areas. The amount of energy and water in a huge tsunami can cause extreme destruction of property and loss of life when it hits surface. Most of the tsunamis in the world occur in the Pacific Ocean. which is why again, the countries near the Pacific Ocean face Tsunamis very often.
Countries like Canada and the area very far away from the ocean have very low risk of facing a Tsunamis. Like the middle parts where it is just surrounded by land.
Tsunamis can cause severe damage to properties, land, buildings.
This is a video of a tsunami that occurred in Japan. In the video it shows a massive amount of water hitting the surface, destroying cars, property, road, fences, basically everything. Tsunamis can easily destroy all these things.
Tsunami is very dangerous. So how can we survive from it? what are the safety rules? here are some suggestions
- Keep calm and move to a higher ground, and stay away from the coast, listen carefully for a tsunami warning.
- Tsunamis can occur at any time, day or night. They can travel up rivers and streams that lead to the ocean, always be aware if you are living around tsunami danger area. - Always listen for a Tsunami alert signal, or any other sounds so that everyone can evacuate and stay safe.
- Try to stay far away from the beach side where the water is coming from.
Facts About Tsunamis
- Tsunamis can be huge as 100 feet
- Tsunamis can travel up to the speed of 500-800 miles per hour.
- The Indian Ocean tsunami that took place in December 2004 was estimated to have energy of 23,000 atom bombs. The tsunami killed over 280000 people.
- A tsunami that occurred in Lisbon in 1755 killed 90,000 residents within minutes,
- The costliest tsunami occurred in U.S and Canada in 1964. Damage was as huge as $106 million.
- Tsunami can poison the land with a lot of salt, which can cause people to die out of hunger and disease after the tsunami is gone.
- The 2011 tsunami that happened in Japan was possibly the most expensive disaster in the world.
A big tsunami occurred in Indonesia on December 26 2004, destroying the northern and the western coastal of Sumatra. The time of the tsunami was estimated between 15 to 30 minutes after a deadly earthquake. According to the country's National Disaster Relief Coordination Agency, 230,000 people have died from the tsunami and 37,063 are still missing. Also, the UN estimates that 655,000 people are homeless and sheltering in refugee camps across the province.