Earthquakes causes and effects pdf download

Actually earthquakes occur daily around the world according to one estimate, about 8000 occur every year, but most of them are too mild to be noticeable. It is caused due to the energy release, which triggers waves that travel in all. This activity will enable you to identify some of the effects due to earthquakes. The places along the boundaries where they bump and slip are called faults. Earthquakes occur mainly as a result of plate tectonics, which involves blocks of the earth moving about the earths surface. Strong ground motion during an earthquake can cause watersaturated, unconsolidated soil to act more like a dense fluid than. Pdf understanding the causes and effects of earthquakeinduced. Department of civil engineering, university of canterbury, christchurch, new zealand. Power lines, and gas and oil pipes may be damaged or broken, which can result in explosions and fires. The movement of earths crust resulting from the release of built up potential energy between two stuck tectonic plates. Causes of earthquake in nepal geographical analysis.

It sits on the limits of two structural plates, for example, indian plate and eurasian plate additionally called tibetan plate. An earthquake is a sudden shaking movement of the surface of the earth. Extra sounds s of sounds exclusively for gold members added weekly. Complete disaster management material pdfs in telugu. Pdf landslide dams are potentially dangerous obstructions caused by river blocking slope failures that occur frequently in tectonically. Now lets take a look at an earthquakes effects on the natural and built environments. The epicenter is the point on earths surface directly above the focus. Earthquakes earthquakes occur when energy stored in elastically strained rocks is suddenly released. Quaking earth mountains of fire effects of earthquakes, volcanoes explains how volcanoes are formed, what causes them to erupt, and what happens during an eruption. Cause and effect why earthquakes occur how earthquakes are measured earthquake effects mitigation strategy earthquake time histories this series of slides introduces the source and effect of ground motions. An earthquake occurs when the two plates that are stuck suddenly break apart.

Earthquakes can cause buildings to crumble and fall. Over 14,000 residents of the region were killed as poorly constructed. Volcanoes, earthquakes and tsunamis is the essential guide to what causes the most frightening geological events with which we are faced today. An earthquake cause several impacts on the natural. Earthquake science explained is a series of short articles for students, teachers, and parents originally published as weekly features in the san francisco chronicle. Most earthquakes occur along zones where the earths crust is undergoing. The forces that cause deformation are referred to as stresses. We are providing correct, sufficient and quality information in one pool. Last updated on saturday, january 18th, 2020 leave a comment.

Earthquakes vary in sizes, for instance, there are quakes that are weak and are not enough to be felt by people or even destroy cities. Download complete disaster management material pdfs in telugu. These forces bring about changes on the earth surface and physical features like mountains, plateaus and rift valleys are formed. Find powerpoint presentations and slides using the power of, find free presentations research about causes and effect of earthquakes ppt. An earthquake also referred to as tremor or quake is the trembling that happens on the earths surface as a result of sudden energy release to the earth lithosphere, therefore, developing seismic waves. Earthquake simple english wikipedia, the free encyclopedia. Earthquakes are usually quite brief, but there may be many over a short time frame. To do this, print off and read the article and highlight or underline the text that refers to the effects.

Earthquakes shake the ground surface, can cause buildings to collapse, disrupt transport and services, and can cause fires. Earthquakes are caused by disturbances in the interior of the earth and other causes. Earthquakes are recorded by instruments called seismographs. Pdf earthquakes and tsunamis download full pdf book. Also investigates the causes and effects of earthquakes and how people live in the shadow of these constant threats. Describe how the contents of such kits help people survive the first days after an earthquake or volcanic eruption. The deadly izmit earthquake struck northwest turkey on august 17, 1999, at 3 a.

Earthquake effects we all know that the effects of an earthquake are terrible and devastating. In addition to causing devastating tremors on land, the earthquake also generated a deadly tsunami, reaching up to 80 feet high. It is difficult to classify any of the three people as belonging to a single discipline. Geological survey general information product presents some of the new understanding gained and sci. Earthquakes, volcanic eruptions and alternative underwater explosions including detonations of underwater nuclear devices, landslides, ice mass. Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. Earthquake effects earthquake information dk find out. Earthquakes can do significant damage to buildings, bridges, pipelines, railways, embankments, dams, and. Earthquakes we are posting comprehensive material on earthquakes, their causes, effects and mitigation strategies and actions as part of complete disaster management material in telugu in pdf format for telugu medium students for upsc civil services, appsc and tspsc group 1, group 2.

After you have finished reading the article, make a list of the highlighted effects. Their causes and effects is an article from proceedings of the american philosophical society, volume 48. As to the causes of earthquakes, some maintain that they are caused by volcanoes, while others say that they are due to the sudden contraction of the earth or the falling in of hollow spaces in the earth. Nestled within the circumpacific belt, the valdivia earthquake was the most powerful in a series of quakes that struck the region, measuring at a magnitude of about 9.

Volcanic eruptions can cause serious consequences for humans and other organisms. Definition, causes, measures and other details with diagram. The effects caused by an earthquake the surrounding. Causes and effects of earthquakes free download as powerpoint presentation. Causes, effects and geographical distribution of earthquakes. Earthquakes occur every now and then all round the world, except in some places where earthquakes occur rarely. First we need some basic information about earthquakes and their effects on the built environment. It includes 10 multiple choice reading comprehension questions and an answer key. The disturbances inside the earth are called tectonic movements.

When this happens, tremendous energy is released suddenly. In addition to the ground movements, other surface effects include changes in the flow of groundwater, landslides, and mudflows. These notes will also be useful for other competitive exams like banking po, ssc, state civil services exams and so on. Over the last century, earthquakes have caused an average of 10,000 deaths per year. Earthquake,causes,effects es ppt linkedin slideshare. Earthquakes often cause dramatic changes at earths surface. Causes and effects of earthquakes paragraph the college. View more articles from proceedings of the american philosophical society.

An earthquake occurs because of geologic forces inside the earth. Foreshocks, small earthquakes that sometimes precede the main earthquake, can be used as a warning system that a large shock may be on the way. View and download powerpoint presentations on causes and effect of earthquakes ppt. A tsunami or wave, additionally called a seismic ocean wave, could be a series of waves during a water body caused by the displacement of an outsized volume of water, usually in an ocean or an outsized lake. Earthquakes can range in size from those that are so weak that they cannot be felt to those violent enough to toss people around and destroy whole cities. Modelling of the socalled tsunami earthquakes suggests that an event for which 10%. The causes of deep earthquakes below 300 km are quite different from a crustal rupture. Causes and effects of earthquakes, free essay sample. Understanding the causes and effects of earthquakeinduced landslide dams. The destructive force of earthquakes has stimulated. Eventually they become so strong that they cause rocks to break underground. An earthquake also known as a quake, tremor or temblor is the shaking of the surface of the earth resulting from a sudden release of energy in the earths lithosphere that creates seismic waves. The report is intended to help students and others visualize what causes earthquake shaking and. Ncert notes on important topics for the upsc civil services exam.

This article talks about earthquakes, its magnitude scale, causes, types, etc. Consequently, the pragmatic inquiry into the causes and effects of earthquakes has become increasingly fused with. The seismograph has a base that sets firmly in the ground, and a heavy weight that hangs free. The sudden shaking or rolling of the earths surface is called an earthquake. Several buildings collapsed, schools, hospitals, a whole city may be destroyed due to it. Earthquakes can range in size from those that are so weak that they cannot be felt to those violent enough to propel objects and people into the air, and wreak destruction across entire cities. Unit 3 earthquake causes and characteristics introduction in the last unit, we explored the historical importance and intent of executive order 12699. Its like when youre teacher loses their marbles because. The energy takes the form of motion that spreads out in all directions from the break. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. This release of energy causes intense ground shaking in the area near the source of the earthquake and sends waves of elastic energy, called seismic waves, throughout the earth. Nepal is a nation which does not sit on a single structural plate. It covers plate tectonics, the intricacies of each terrible phenomina, and their effects as well as the impact they have on each other, how they can be predicted and, if possible.

The passage explains what causes earthquakes and how they are measured. This shaking can result in the damage of various structures such as buildings and further breakdown of the earths surface. An earthquake is the sudden movement of the earths tectonic plates, resulting in shaking of the ground. Fema 451b topic 2 notes earthquake mechanics 2 2 instructional material complementing fema 451, design examples earthquake mechanics 2 2 earthquakes. Can cause major damage to poorly constructed buildings over small regions. Unit 4 earthquake effects introduction in the last unit, we looked at the causes and characteristics of earthquakes. Roads and railroad tracks may be destroyed, affecting communication and rescue attempts. The challenge of earthquake science living on an active earth. Knowing more about the effects of earthquakes helps us understand the mitigation steps that must be taken to protect a. Prior to knowing the causes of earthquake in nepal, we have to think about the land arrangement of nepal. The focus is the point on the fault surface where motion begins. Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through earths rocks. When an earthquake causes the ground to shake, the base of the seismograph shakes too, but the hanging weight. In later sections of this course, we will take a closer look at evaluating a communitys safety.

Earthquakes gandhinagar institute of technology presented by. Expanded results show more results per page up to 100 lists organize our sounds into unlimited personalized lists. Earthquakes constitute one of the worst natural hazards which often turn into disaster causing widespread destruction and loss to human life. The blocks of rock move past each other along a fault. As with earthquake causes and surface effects, seismologists have been.