Tsunamis and How They Impact Humans
- What is the result of a tsunami?
- What was the most ruined place by a tsunami?
- Which tsunami did the most damage/ have the most effect on humans
- How did the historic tsunami in Crete impact humans
- Systems Analysis
- Scientific Diagram
There is first a wave then destruction. The tsunami is a Japanese word “tsu” meaning harbor and “nami” meaning wave so in context it would be harbour wave. A tsunami is a vast wave in length and height usually caused by an earthquake in the ocean but sometimes it is caused by a volcanic eruption or a coastal landslide. Tsunamis impact humans in many ways sometimes the result is not that bad but other times it can result in a large amount of deaths or anything else that impacts humans. Tsunamis are a type of natural disaster just like any other, it is deadly, dangerous, and the result is devastating.
What is the result of a tsunami?
In tsunamis before the tsunami is a lot different than at the end and there are also end results. The most common result of a tsunami is that people are killed. With not that much time to escape from tsunami many people die by the fast, enormous, deadly wave. People also get injured in a tsunami, if they get injured than they are lucky that they are actually still living. Most of the time people lose their homes in a tsunami and it takes a lot of time to repair the damage. The amount of homes destroyed is very extensive. Sometimes people go missing. In a tsunami there is not a lot of standing still but there is more running. Sometimes people go missing because they are not with their families or other people. People go missing by other people or family members not knowing where they are. For all they know they might die or might still be alive but when they find out they had died it is hard for the family to know. Tsunamis also impact humans by destroying buildings, bridges, cars and everything else in their path. Tsunamis harm the environment by killing animals and uprooting trees and plants. Money is also a very big result of a tsunami and every natural disaster because people usually spend billions of dollars on repairing. The tsunami also causes flooding which also damages manmade structures like sewer systems and water supplies, also when it floods people sometimes drink the water from the without purifying and then drink the contaminated water it can sometimes give people disease. Sometimes if you have survived the tsunami you can get very scared and nervous about if a tsunami will happen again. Also some people are driven mad by seeing the wave and seeing many people die or get swept away. There are many results of a tsunami and many of them impact humans in a negative way.
After the Indonesian tsunami
The most ruined place by a tsunami was the tsunami that happened in the Indian Ocean. This historic tsunami happened on the 26th of December (Boxing Day) 2004. The earthquake that caused it had a magnitude of 9.1 which is a huge magnitude on the Richter scale. Altogether 14 countries were affected by this tsunami all of these countries include India, Indonesia, Malaysia, The Maldives, Myanmar, Somalia, Sri Lanka, Thailand, Bangladesh, South Africa, Madagascar, Kenya, Tanzania, and the Seychelles. The number of deaths by this tsunami is not accurate but the estimation is 230,000 to 250, 000. This tsunami compared to the North pacific coast tsunami in Japan which was still really big that tsunami only killed 18,000 which is a lot but this tsunami killed approximately 230,000 people, so that is a huge impact on humans. The tsunami in the north pacific actually had more of an economic impact. Approximately half a million people were injured by the waves that strongly smashed onto the low lying ocean coast. Indonesia was the most affected country out of the 14, approximately 170,000 people died only in Indonesia. Some waves were 15 meters high. The highest waves were 30 meters high. This tsunami damaged so many buildings, houses, parks, manmade structures that we spent approximately 13 billion dollars to repair, clear up, and make the countries as good looking as possible to make it look like this terrifying tsunami didn’t happen. The earthquakes epicentre was less than 40km from the coast of Sumatra so when the tsunami hit Sumatra which is why Indonesia was the most affected country. The earthquake occurred near medium shallow water and when the earthquake struck the energy realised was equivalent to approximately 23,000 Hiroshima type atomic bombs. The Boxing Day tsunami caused a lot of damage to humans and shows how places can get really damaged by natural disasters
What tsunami did the most damage/ effect on humans?
The tsunami that caused the most damage was also the tsunami that happened near the Indian Ocean. The tsunami is the 6th deadliest natural disaster in history. 141,000 homes were destroyed in this tsunami and many buildings and manmade structures were destroyed too. Approximately 275,000 (and over) people were killed altogether over the span of 14 countries. The tsunamis water speeds were up to 500 kilometres fast and that is why the water got to the coasts so quickly. In the deaths over 1,000 German and Swedish tourists were killed which was very unfortunate for their foreign families. Sweden and Germany were the most effected countries outside of the region. Over 600,000 people in Aceh (in Indonesia) lost their livelihoods and their way of living. Many more people from different countries were also affected by how they lived because the tsunami changed them and everyone who experienced it forever. Within only two hours of the earthquake Thailand and Sri Lanka were already experiencing the traumas of the tsunami. Then only three hours after the earthquake hit the tsunamis were already crashing into the Maldives. Then seven hours later the tsunamis started going to the Somalia coast. The other countries were also affected but less than these three because they experienced the tsunamis after these countries did. Ever since this tsunami happened in 2004 there has been a tsunami alarm system every time a tsunami happens.
Map of the Mediterranean
The Crete tsunami was caused by an earthquake that happened around the area of the Mediterranean Sea. This tsunamis had occurred on the 21st of July 365 ce (Common Era). The earthquakes magnitude was approximately 8 to 8.5 and that is a high magnitude for an earthquake that is why the tsunami was so vast in size. This earthquake caused many countries to get harmed, approximately 6 countries were affected by this tsunami, and those countries include Alexandria in Egypt, Libya, Greece, Sicily and parts of Spain. The earthquake was centered near the plate boundary called the Hellenic Arc which sent a large wall of water across the Mediterranean Sea. 5, 000 people were killed by the tsunami in Alexandria. 5, 000 people also lost their homes in Alexandria. 45, 000 people died altogether that weren’t in Crete but in the surrounding countries. In Alexandria the tsunami was so powerful it overturned some ships that were in the ocean at a time, which meant as a result once the wave let go of the ships the ships landed, and crushed many buildings. The earthquake was powerful enough to cause parts of Crete to actually level in height and increase the height to 10 meters maximum, almost every town was leveled by the earthquake. This tsunami was a big part in history and it has not been forgotten ever since.
Tsunamis are powerful shifts in the forces of the earth and water that can have devastating impact on all life forms. Tsunamis are deadly natural disasters that impact humans in many ways. Sometimes natural disasters can have a big impact on humans but sometimes it is not that big. It is very important to know about natural disasters so people can stay safe and maybe even become someone who helps and warns people about any type of natural’s disaster. Tsunamis are still really dangerous and people are still trying to figure out if there is any way they can stop them or do something to reduce them.
Steps 1+2. A tsunami is a system because it follows through a process. The tsunami system has steps that are causally linked because whatever the first trigger/ beginning is the other steps will need that trigger to actually have the final result.
**Please see the link to a word document titled ‘Systems analysis flow chart’**
3-4. People could change a part of the system by the earthquakes magnitude. If the earthquake didn’t have a high magnitude then the water wouldn’t be affected as much. If the magnitude of the earthquake was only a 2 then the waters probably wouldn’t even make it to the country/place. If the earthquakes magnitude was a 5 then the waves would probably be big, but make a small tsunami, maybe not even one. Whereas if the magnitude was a 7- 9 the waves would be very big. The waves probably wouldn’t even have gotten smaller when the waves were speeding across the ocean because the speed would be very fast because the magnitude would have affected the tsunami to be traveling at a fast speed.
5. An earthquake has a higher magnitude because of the two tectonic plates stuck in a position. If the tectonic plates are in a stuck position for a longer period of time the earthquakes magnitude would be higher. If they are stuck in a position for a smaller amount of time the magnitude is less. Humans can’t go down to the earths crust and push against the tectonic plates to make the magnitude smaller. Humans could use explosives or a strong thing that will make the earth move. Humans know where tectonic plates are in the world so all they could do is put an explosive on top of the tectonic plates and make them move faster. Humans probably could not be able to do this but it will help earthquakes to have a smaller magnitude which means a smaller tsunami. This system compares to another natural disaster by showing that they both have different triggers. For example a bushfires trigger is fuel, oxygen and heat and a tsunamis is the two tectonic plates colliding a pushing against each other. They also both have different steps but they are all still causally linked with each other and the systems topic.
- Vast- A great amount or quantity or a very big thing.
- Extensive- Effecting a large area. A lot of things are destroyed. “The result of the forests burnt were extensive.”
- Epicentre- The point/part of the earth’s surface directly above the focus of an earthquake.
- Tectonic plates- They are under the earth and when they collide it can cause some natural disasters.
- Magnitude – The amount of energy realised during
www.thebcom.org (the result of a tsunami and the tsunami that caused the most damage)
www.sms-tsunami-warning.com the result of a tsunami)
www.owlcation.com (the result of a tsunami)
www.reference.com (the result of a tsunami
www.ibtimes.co.uk (most ruined place)
www.gdrc.org (most ruined place)
www.australiangeographic.com.au (most ruined place)
www.worldnews.about.com (most damage)
www.history.com (the Crete tsunami)
www.newhistorian.com (the Crete tsunami)
This is the link to the Assessment Criteria and my self reflection is at the end