The Wall Street Journal opens by defining the Haiti Earthquake as the strongest to hit the Caribbean in more than two centuries. Various witness reports were included‚ one of which from the Administer of Mercy and Sharing in Haiti: a charity that houses 109 orphans‚ notes the various dead bodies lying on the street‚ the numerous injured citizens‚ and the ringing cries of help in an area just 10 miles outside of the earthquakes epicenter. The report specifically describes the devastated infrastructure
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on the agency scale as a grade 7 accident‚ which was in the same grade as Chernobyl accident‚ but a few number on the agency’s scale (After Fukushima: Enough Is Enough‚ n.d.). The shaking of the earth in the east of Japan on 11 March 2011. This earthquake caused a powerful tsunami that reached the height of approximately 15 meters (The Situation at Fukushima‚ n.d.). Furthermore‚ the Fukushima Daiichi nuclear power plants experienced a lot of destruction caused by a tsunami that hit the reactors in
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Before the earthquake‚ Haiti was already a country with high prevalence of infant mortality‚ poor nutrition‚ and diseases such as HIV and Turberclosis. In Haiti ‚“An estimated 87 of every 1‚000 children born die by the age of 5 years‚ and >25% of surviving children experience chronic undernutrition or stunted growth. Maternal mortality rate is 630 per 100‚000 live births.” (SITE) The life expectancy in Haiti is 61 years. Due to low vaccination rates‚ Haitians are at risk of spreading vaccine preventable
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Figure 5.19 The mortar in unreinforced masonry walls such as these in Iran‚1990(A) can easily fail during an earthquake. Oftentimes the entire structure crumbles‚ leaving a pile of rubble in which survive. Shown in(B) is one of the many masonry homes to collapse during the 1988 Armenia earthquake (M6.9)‚ claiming nearly 25‚000 lives. The failure is called soft-story collapse. Soft-story collapse is a common problem in commercial building where the first floor has considerable open space for
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faults lead to be a lot more destruction. Earthquakes are a trembling or shaking of the ground caused by a sudden release of energy stored in rocks beneath earths surface. Earthquakes appear all over the planet‚ and there are many different sizes. Some earthquakes destroy entire cities while others only shake the ground for a moment. Faults are one of the causes of earthquakes‚ which I will tell about soon as well as the hazards and benefits they give. Earthquakes can be caused in many ways‚ some even
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INTRODUCTION 1 HOW EARTHQUAKES OCCUR 2 Fault types 3 Earthquake fault types 3 Different types of Faults 3 Tidal forces 5 Earthquake clusters 6 Aftershock 6 Earthquake swarm 6 Earthquake storm 6 METHODS USED IN MEASURING EARTHQUAKES 6 The Richter Scale 6 The Mercalli Scale 7 HAZARDS CONNECTED TO EARTHQUAKES 8 MEASURES TAKEN TO MINIMIZE EARTHQUAKES 9 BIBLIOGRAPHY 11 INTRODUCTION Earthquakes are caused by the movement of the earth’s tectonic plates. Earthquakes occur where the earth’s
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Earthquakes An earthquake is a shaking or trembling of the crust of the earth caused by underground volcanic action or by the breaking and shifting of rock beneath the surface. The volcanic action and shifting rocks create strain which continues to build to a sudden release of pressure resulting in a shock wave. The vibrations produced in the crust can vary from barely noticeable to enormously destructive. Shock waves can be classified into two broad categories. Waves that send particles oscillating
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An earthquake (also known as a quake‚ tremor or temblor) is the result of a sudden release of energy in the Earth’s crust that creates seismic waves. The seismicity‚ seismism or seismic activity of an area refers to the frequency‚ type and size of earthquakes experienced over a period of time. Tectonic earthquakes occur anywhere in the earth where there is sufficient stored elastic strain energy to drive fracture propagation along a fault plane. The sides of a fault move past each other smoothly
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Thesis: Earthquakes have been a natural part of Earth for many years and are caused by a shift in the Earth’s tectonic plates. Tectonic plates shift when two separated pieces of Earth’s crust push together because of the pressure of the hot air below them pushing up on the plates from the heat of the Earth’s core. This pressure must be released somehow‚ so when the pressure becomes too great for the plates to withstand‚ one part of a plate gives way to the pressure by rising above the other part
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EARTHQUAKE Introduction An earthquake is the result of a sudden release of energy in the Earth’s crust that creates seismic waves. CAUSE OF EARTHQUAKE Earthquakes are caused by the movement of the earth’s tectonic plates. Earthquakes occur where the earth’s plates meet along plate boundaries (see plate tectonics page for more information on this).For example as two plates move towards each other‚ one can be pushed down under the other one into the mantle. If this plate gets stuck it
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