This Presentation will bring you through a great history of the worlds worst waves. Showing Impacts on people, land and money.
This tsunami took place in Enshunada Sea, Japan. It was spawned by a 8.6 magnitude Earthquake of the coast of Kii, Mikawa, Surgu, Izu and Sagami. The wave took place at about 8:00 am local time on the 20th of September 1498. The death toll is still uncertain but it is between 21,000 - 31,000 casualties reported.
On the 18th of January 1586, a 8.2 magnitude earthquake hit, causing a massive tsunami. The waves rose to a height of 6 meters, causing damage to many towns. For instance, the town of Nagahama experienced an outbreak of fire as the earthquake first occurred, demolishing almost half of the city. The Ise Bay tsunamis caused a total of 8,000 deaths and a large amount of damage.
This invention impacted the prevention on tsunamis around the world, the main the idea of the seawall is to protect the land from high tides and large waves, such as tsunamis. The idea behind it is to, if or when there is a tsunami and it crashes into land, the seawall is meant to break the power of the large wave. This will enable us to have more protection over the wave and it will decrease the level of damage. Although these walls are not indestructible they defiantly do help. These walls were originally made in Canvey Island, England. They were originally made for flood prone areas such as Europe. Today they are now used for many other reasons from flooding to natural disasters.
A 8.4 magnitude earthquake spawned waves as high as 25 meters. These waves crashed into the Pacific Coasts of Kyushyu, Shikoku, Osaka and Honshin. A total of 30,000 buildings were damaged and about 30,0000 people were killed. It was reported that roughly around 6 large waves were counted between 3pm and 4pm. Some extending several kilometers inland.
A 8.5 magnitude earthquake caused a series of three large waves to strike at various towns along the West Coast of Portugal and Southern Spain. These waves reached up to 30 meters high. The Tsunami and Earthquake had killed 60,000 people in Portugal, Morocco and Spain.
A 7.4 Magnitude earthquake is said to cause the tsunamis. This tsunami damaged a large number of islands in the region, but the most serious damage was on Ishigaki and Miyako Islands . The waves were estimated to be around 11 to 15 meters high. The tsunami destroyed a total of 3,137 homes and killing nearly 12,000 people.
On The 18th of December, 1867 a large earthquake hit Keelung in Taiwan. Causing deformation on mountains and many buildings. When the large wave hit it resulted in the ground and mountains to split open and water poured from the fissures. Hundreds of deaths occurred.
On April 2nd, 1868 a local earthquake with a magnitude estimated between 7.5 and 8.0 hit the southeast coast of the Big Island of Hawaii. It triggered landslides in the area. The villages of Punaluu, Ninole, Kawaa, Honuapo and Keauhou were severely damaged and the village of Apua was destroyed. The waves were said to have reached 60 feet high. The tsunami killed 10,000 people and almost 50% of there buildings were damaged.
A 8.5 magnitude earthquake spawned a large tsunami wave to hit the coast of Northern Chile.. The most people impacted were mostly employed adults. Statistics show that the largest employment rate at that time was services, Thus meaning the death rate was larger in that category compared to other employment categories. The wave also impacted many people that lived near the ocean/coast line.
This tsunami was caused by the eruption of the Krakatoa Volcano.42,000 people killed by this horrible event.The people it mostly impacted were the agriculture business, at the time that was the highest rate of employment. The wave also impacted more females than males due to the rate of injuries.
A 7.1 magnitude earthquake hit Messina Italy on the 18th of December 1908. The tsunami mostly impacted more so females, but only by a bit. The tsunami also impacted people that live by the sea and ocean. Fisherman/women and trading workers.
The great Kanto Earthquake, which occurred in Eastern Japan on the 1st of September 1923, caused tsunamis to struck the Shonan coast Islands. In some areas the wave was recorded to reach 12 meters high, the tsunami cause a lot of damage around the cities causing many fires. The final death toll was 100,000 most of whom were killed in the fires.
The Richter Scale was developed in 1935 by Chales F. Richter, thus the name Richter Scale. It's a mathematical device used to compare the size of earthquakes. The size of an earthquake depends on the recordings the seismographs produce. This invention impacted the prevention of Earthquakes and tsunamis greatly because with the invention we could prevent further loses of lives and structures. This allowed us to improve our structures to make them impact proof and allowed us to evacuate people when needed. Examples: - In the early 1900's the biggest earthquake/tsunami to hit was a 50 in relative energy and the biggest earthquake/tsunami to hit in the early 2000's was a 35 in relative energy.
A devastating tsunami occurred of the Cost of Hokkaido in Japan as a result of a 7.3 magnitude earthquake. Within minuets the Japan Meteorological Agency issued a tsunami warning that was broadcast-ed. However it was too late for Okushiri, where waves reached 30 meters high. The waves caused a lot of damage and a casualty rate of 50,000 was recorded.
The nightmare before Christmas is defiantly relevant here, when a 9.3 magnitude earthquake struck the countries surrounding the Indian Ocean. The horrible earthquake ended up spawning a tsunami that hit India, Indonesia, Sri Lanka etc. The impact that the disasters made was horrible. The main people affected were people that lived by the oceans, mainly fishermen/women and shipping/transport clients. The tsunami destroyed anything in its path leaving behind nothing but pieces of buildings. Due to the tsunami they lost a lot of there food supply and people that were far away from a shelter or a hospital would starve and die of thirst.
A powerful 8.2 magnitude earthquake hit the Solomon Islands on the 2nd of April 2007. This earthquake resulted in a 12 meter high tsunami. Luckily meteorologists were able to send out a tsunami warning and only 52 people passed away but many others were injured.
The 2011 earthquake off the Pacific Coast of Tohoku was a 9.0 magnitude earthquake which later lead to a megathrust tsunami. The people impacted were mosty people that lived around the open water, near the sea and people that did not have enough money to get away where as the people who live up in the mountains and have money to use were effected less. Tsunamis usually wipe out everyone no matter how much money they have or who they are.The impact after the tsunami also brought along more deaths from starvation, dehydration, injuries etc. The impact on the city from the tsunami left nuclear power plants generators had been disturbed, they had to turn the generator off to keep there population safe. They had to get volunteers to go and switch the power off, but if you went you would die of the radiation. Older people volunteered mostly because they had lived there life most and wanted others to live on. The conversations those grandparents would have had with there grand son/daughters and children about what they were going to do must have been devastating.
After the 2011 tsunami tragedy the government of the affected areas needed to investigate further on how to prevent future deaths and damage from tsunamis. Soon enough they made The Tsunami Alarm System. This system is connected to a satellite and your smartphone, meteorologist will keep looking at the satellite images and whenever there is a tsunami, it will run through a system and send an SMS to your mobile phone. This way you will be able to prepare for the tsunami. They are still making improvements to the system and thankfully there has been no scenario yet for this system to be used.
The Survival Capsule is a personal protection system, these capsule's are able to stand extreme conditions. Made in Japan where most devastating tsunami's occur. The capsule's are small ball like figures that are able to hold up to 11 people,dependent of what capsule you order. These are used in extreme cases, for example, a tsunami. The capsule's are able to float, be waterproof and is able to not get damaged whenever something is thrown or slammed into it. These pods are still yet to be released for order and have yet to be used in a real life scenario.
A Deep Ocean Tsunami Detection Buoy is used to detect tsunami's. These buoy's observe and record the changes in sea level in the deep ocean. This enhances the capability on early detection of tsunamis.
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