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Importance of earthquakes
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Earthquake occurs abruptly and causes severs damage to people, property, landscape and more. A great mega-thrust earthquake, known as the Great Tohoku Earthquake has shaken Japan at 5:46:24 UTC on March 11, 2011. It caused a severe disaster, including tsunami and nuclear radiation exposure.. This mega-quake located at the latitude 38.297 degree North and longitude of 142.372 degree East, near the east coast of Honshu, Japan (USGS, 2013). The earthquake and tsunami waves caused widespread damage to many areas of Japan. People in Japan are still recovering from the damages. The Tohoku earthquake caused by the movement of the Pacific plate slides underneath the Eurasia plate at the rate of three inches per year, associated with Japan Trench (NOVA, 2013). There is a debate whether the plate involved with the Pacific plate was the fragment of the North America plate because this …show more content…
While the early warning saved thousands of people, the Japan’s Meteorological Agency underestimated this earthquake as the subduction zone of Japan should not produce the magnitude 9.0 quake (Oskin, 2013a). The Tohoku Earthquake and its tsunami approximately killed 16 thousand people, injured 6 thousand people and around 3 thousand people were missing. Most people died from drowning. Around 300 thousand buildings, 4000 roads, 78 bridges, and many more were affected by the earthquake, tsunami, and fires from leaking oils and gas. Electricity, telecommunication, and railways were severely damaged. The debris of 25 million ton was generated and carried out to the sea by water (BBC News, 2012). The country’s authorities estimated more than 309 billion US dollars of damages. Landslides occurred in Miyagi and liquefaction in Chiba, Tokyo, Odaiba, and Urayasu (USGS, 2013). Furthermore, the tsunami destroyed protective tsunami seawalls. Approximately 217 square miles of Japan covered in water (Oskin,
Earthquakes are a natural part of the Earth’s evolution. Scientific evidence leads many geologists to believe that all of the land on Earth was at one point in time connected. Because of plate tectonic movements or earthquakes, continental drift occurred separating the one massive piece of land in to the seven major continents today. Further evidence supports this theory, starting with the Mid-Atlantic ridge, a large mass of plate tectonics, which are increasing the size of the Atlantic Ocean while shrinking the Pacific. Some scientists believe that the major plate moveme...
1906 San Francisco Earthquake Jared E. Gatchalian San Jose State University. 1906 San Francisco Earthquake The 1906 San Francisco earthquake was one of the largest earthquakes in the United States. Even though it only lasted less than a minute, the damage and aftermath of the earthquake were disastrous. These damages were not just from the earthquake, but also from other hazards that occurred because of it. It also had a huge effect on the people living in San Francisco.
I. (Gain Attention and Interest): March 11, 2011. 2:45 pm. Operations at the Fukushima Daiichi Nuclear Power Plant continued as usual. At 2:46 pm a massive 9.0 earthquake strikes the island of Japan. All nuclear reactors on the island shut down automatically as a response to the earthquake. At Fukushima, emergency procedures are automatically enabled to shut down reactors and cool spent nuclear fuel before it melts-down in a catastrophic explosion. The situation seems under control, emergency diesel generators located in the basement of the plant activate and workers breathe a sigh of relief that the reactors are stabilizing. Then 41 minutes later at 3:27 pm the unthinkable occurs. As workers monitored the situation from within the plant, citizens from the adjacent town ran from the coastline as a 49 foot tsunami approached. The tsunami came swiftly and flooded the coastline situated Fukushima plant. Emergency generators were destroyed and cooling systems failed. Within hours, a chain of events led to an explosion of reactor 1 of the plant. One by one in the subsequent days reactors 2, and 3 suffered similar fates as explosions destroyed containment cases and the structures surrounding the reactors (Fukushima Accident). Intense amount...
The Great Kanto Earthquake also known as the Tokyo-Yokohama Earthquake of 1923 hit the metropolitan area of Kanto on September 1st, 1923 around 11:58 pm. It was a 7.9 on the Richter magnitude scale, killing over one-hundred and forty thousand people due to its high magnitude and the time it happened. The earthquake struck around lunch time, when many Japanese people were at home cooking at their charcoal or gas fueled stoves. At the moment the earthquake hit, it knocked down buildings that caught flames from the stoves that fell over, enflaming the city. The fire was swept up and able to spread due to the gusts of wind that occurred for two days afterwards, resulting in firestorms. Charles Blauvelt experienced the ordeal of the fire describing the flames as “[covering] the whole city [as they] burned all day and night.” In addition to the firestorms and the earthquake itself, there was a shock because of all the fallen debris which triggered tsunamis to fill and flood Japanese cities. These tsunamis, that were about thirty feet tall, destroyed central Tokyo and immensely added to the death toll.
According to the writers of Encyclopedia Britannica, the 1906 San Francisco Earthquake and fire caused 28,000 buildings to be destroyed, causing $350,000,000 in damage. This earthquake was one of the most devastating earthquakes ever. There are many views on this earthquake, and even some footage of it. The earthquake caused the fire, which was even more devastating than the earthquake itself, but they both still did a substantial amount of damage. Over 3000 people were killed, 250,000 left homeless, and the survivors camped in Golden Gate Park or Dunes West, and some fled to neighboring towns. (Encyclopedia Britannica). The eyewitness accounts “Comprehending the Calamity” by Emma Burke and “The Horrific Wreck of the City” by Fred Hewitt are both about the 1906 San
The Great Kanto Earthquake of Japan in 1923 was a complete shock to the nation. The destruction brought to Japan because of it affected 60% of Tokyo’s population. It is known to be the most destructive earthquake in Japanese history. Over 140,000 lives were affected in all. It wasn’t the earthquake itself that caused so much destruction, but the disasters that occurred after. As a result of the earthquake, multiple fires, a tornado, a typhoon, and a tsunami broke out and destroyed Tokyo, Yokohama, and all of its surrounding areas.
Additionally, this earthquake occurred on a thrust fault. This fault was a subduction zone slip which occurred primarily beneath the ocean were the Pacific plate plunges underneath the North American plate. This sudden upward movement of the sea floor along the rupturing fault generated a massive tsunami. This vertical deformation
So let us take a moment and briefly review a brief review of the tragedies of the Tohoku-Oki earthquake is the largest recorded earthquake at a 9.0 and caused a nearly 50-Foot Tsunami to strike the country already crippled by the mega quake. It has been three years now since the quake and Tsunami hit Japan. In the moments following Fukushima Daiichi’s reactors main power supplies went down, a safety measure assured that, back-up generators would take over and supply the much needed cooling of Fukushima Daiichi nuclear power plant. However, the World Nuclear Associates (WNA) recounts what occurred in the two hours that followed a combination of Mother Nature and human arrogance met in what was a series of unfortunate and disastrous events for the power plant and the villages surrounding it.
In March of 2011, Japan suffered one of the largest most powerful earthquakes to hit Honshu, Japan. (“Facts about Japan”) The earthquake registered 8.9 and was the fifth largest most powerful earthquake in the world.... ... middle of paper ... ...
“In the early 1960s, the related concepts of "seafloor spreading" and "plate tectonics" emerged as powerful new hypotheses that geologists used to interpret the features and movements of the Earth's surface layer”( Geology). Seafloor spreading and plate tectonics worked together, in act with the hotspot to make the Hawaiian islands. Before recent studies, the Hawaiian islands were known as the emperor chain. “Over a span of about 70 million years, the combined processes of magma formation, eruption, and continuous movement of the Pacific Plate over the stationary hot spot have left the trail of volcanoes across the ocean floor that we now call the Hawaiian-Emperor Chain”(Geology). The Island of Hawai'i was known as a huge change of motion due to the direction of plate movement. It is suggested by the bracketing the bend. “However, recent studies suggest that the northern segment (Emperor Chain) formed as the hot spot moved southward until about 45 Ma, when it became fixed”( Geology). Studies have shown that a by downstream motion of the hotspot, the northwesterly plate prevailed leading
An earthquake occurs abruptly and causes severs damage to people, property, landscape and more. A great mega-thrust earthquake, known as the Great Tohoku Earthquake has shaken Japan at 5:46:24 UTC on March 11, 2011. It caused a severe disaster, including tsunami and nuclear radiation exposure.. This mega-quake located at the latitude 38.297 degree North and longitude of 142.372 degree East, near the east coast of Honshu, Japan (USGS, 2013). An earthquake and tsunami waves caused widespread damage to many areas of Japan. People in Japan are still recovering from the damages.
According to Tamura & National Library of Australia (2007), Kobe is situated in Osaka bay and is also a natural port whose use dates back to 1180 when it was used as a dispatch point for imperial embassies to China. The city of Kobe is long and narrow located between the coast of the north pacific in the Osaka bay and high mountains on the other side. This location however acts as a hindrance to the expansion of Kobe leading to the construction of two artificial islands namely, Port Island and Rokko Island (Dodd & Richmond 2001). The city is however prone to earthquakes of a relatively high intensity. An example is the Great Hanshin Earthquake in 1995 which led to massive loss of life and damages amounting to approximately 2.5% of Japan's GDP at the time.
...d out the leakage a year later. Another cause of the disaster is that government ignored the chance of tsunami. Scientists warned about the dangerousness of tsunami, and advised them to build more protection to tsunami threatening. However, the government did not consider the advise (IAEA, 2011)
The death toll climbs to over 10,000 and is still rising (Branigan 2). The disaster in Japan began without warning on Friday March 11, 2011 at 2:46pm with a 9.0 magnitude earthquake, the strongest ever recorded in the country (Fackler 3). A massive thirty-three foot high tsunami, generated by the earthquake, swept over lands in northern Japan, taking objects and debris with it. To make matters worse, the tsunami caused the cooling systems at several nuclear power plants to fail. The disaster in Japan was a tragic event, and it had a plethora of causes and effects.
11th March 2011, 2: 45 PM, local time Japan, a day, a time, a moment which saw what can be termed as the worst natural disasters for Japan – A magnitude-9 earthquake ruptured the fault line that spreads across 500 km along the northeastern coast of Japan. This earthquake was the fifth largest in the world as per some reports by eminent scientists. The earthquake was followed with a giant tsunami whose size was so overwhelming that the 18-feet tsunami walls near the Fukushima Daiichi nuclear power plant was literally “drowned” by waves which were, according to some horrified eyewitnesses, around 25-feet high. The death toll still remains unconfirmed as of this day and so do the number of missing persons. The capital city of Tokyo was witness to swaying skyscrapers which were reputedly built with “earthquake-safety” mechanisms.