wide variety of natural and human-induced hazards and disasters. Phenomena such as floods‚ extreme wind speeds‚ earthquakes‚ mudslides‚ droughts‚ wildfires‚ pest plagues‚ air and water pollution cause extensive losses to livelihoods and property‚ and claim many lives. This study attempts to bring to light disasters or hazards‚ there examples‚ as well draw attention to the challenges faced by the government of Zambia in controlling the disasters or hazards and Conclude with suggested possible solutions
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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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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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2011 Christchurch earthquake From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search "Christchurch earthquake" redirects here. For other uses‚ see Christchurch earthquake (disambiguation). For the 13 June 2011 aftershock‚ see June 2011 Christchurch earthquake. February 2011 Christchurch earthquake | ChristChurch Cathedral and the Cathedral Square | Quake epicentre | Date | 22 February 2011 (2011-02-22)‚ 12:51 pm NZDT | Magnitude | 6.3 ML[1] | Depth | 5 km (3.1 mi) | Epicenter
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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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Definition: An earthquake is the result of a sudden release of energy in the Earth’s crust that creates seismic waves.TThe recent earthquake In India on September 18 ‚ 2011 compelled me to write an essay about earthquake. In this essay many things related to earthquake will be discussed.e seismicity or seismic activity of an area refers to the frequency‚ type and size of earthquakes experienced over a period of time. Measurement: Earthquakes are measured with the help of seismometers. The moment
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EARTHQUAKES o Plates sliding pass each other create friction o Friction builds up creating stress (a force) o Force is greater than plate can withstand‚ budges and breaks‚ creating earthquakes o Release a lot of energy KEY TERMS Seismology- the study of earthquakes and their effects Seismometer/ Seismograph - equipment measuring the amount of ground motion caused by an earthquake ***Let’s do a demo*** Seismogram- record of ground motion produced
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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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Earthquakes By: Kayla Marie Vargas Period 4 In earth science they talk a lot about different Earthquakes‚ volcanoes‚ the weather‚ different rocks‚ and etc. But never did you really get in details of what is any of them. Well I did research and found out that an earthquake which is also known as a quake‚ tremor or temblor is a 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
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