Author julie leckman grade level 45 duration 1 class period national standards az standards arizona social science standards element 1. The impact of an earthquake can be measured by a seismometer. 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. Over 14,000 residents of the region were killed as poorly constructed. To put it simple, earthquake is the shaking of the earth. An earthquake is the sudden movement of the earths tectonic plates, resulting in shaking of the ground. If a major earthquake or landslide occurs close to shore, the first wave in a series could reach the beach in a few minutes, even before a warning is issued. Earthquake resilience guide for water and wastewater utilities. A fault is a fracture or crack in the rocks where one side has moved relative to the other figure 1. How to use maps and other geographic representations, geospatial technologies, and spatial thinking to understand and communicate. A comprehensive range of earthquake worksheets to support 12 different earthquake activities to help learning all about earthquakes. Definition, causes, measures and other details with diagram.
Earthquakes are the sudden, rapid shaking of the earth, caused by the breaking and shifting of underground rock. What is the richter scale, and how high does it go. Free survival pdfs, manuals, and downloads 2020 update if you are trying to find prepper and survival books, youve come to the right place. In map view, select the information tool the i, and you can click on any earthquake on the map and find out information about it. The republic day earthquake of 26 january 2001 in gujarat clearly demonstrated the earthquake vulnerability profile of our country. Special earthquakes, earthquake sequences, and fault zones. The national earthquake information center neic records an average of 20,000 earthquakes every year about 50 a day around the world. What causes earthquakes, how to structures respond, how are tsunamis formed, and more resources include. Prepare take action now, before an earthquake hits. Locating earthquakes using latitude and longitude, tohoku 2011 fact file, earthquake crossword, earthquake vocabulary.
Before an earthquake during an earthquake after an earthquake for more information on earthquake preparedness. Higher risk areas are california, alaska, and the mississippi valley give no warning cause fires and damage roads cause tsunamis, landslides, and avalanches if an earthquake happens, protect yourself right away. In the area you have selected turkey earthquake hazard is classified as high according to the information that is currently available. About 80% of tsunamis happen within the pacific oceans ring of fire.
Earthquakes may cause liquefaction, landslides, fire, and tsunami which would lead to far higher level of damage and losses. This information is often combined with data on the geology surrounding the fault to generate an even more accurate measure. The earthquake was powerful enough to be felt strongly over 200. Actions in timeline when an earthquake occurs, your actions will vary as time goes on.
An earthquake is a sudden, rapid shaking of the earth caused by the release of energy stored in rocks. Earthquakes arent predictable, so the best practice is to always be prepared. For more information on wikiprojects in general, please see wikipedia. Over two million people were killed during the previous century by earthquakes and associated phenomena. Earthquakes teacher notes and student activities ga record. Earthquakes are usually quite brief, but there may be many over a short time frame. Earthquake induced movement of the ocean floor most often generates tsunamis. Project file cover decorationpractical file cover decorationproject file decoration file decoratio duration. More rarely, a tsunami can be generated by a giant meteor impact with the ocean. Earthquake scenarios describe the expected ground motions and effects of specific hypothetical large earthquakes. Maps of quaternary deposits and liquefaction susceptibility in the central san francisco bay region, california pdf the quaternary geology of the seattletacoma urban corridor building the foundation for geologichazard mapping pdf.
Earthquake science explained is a series of short articles for students, teachers, and parents originally published as weekly features in the san francisco chronicle. Below is a list of 667 of the best survival manuals, books, and survival guide pdf downloads. The movement of earth s crust resulting from the release of built up potential energy between two stuck tectonic plates. Ground shaking from earthquakes can collapse buildings and bridges.
Earthquake, kentucky geological survey, university of kentucky. Earthquakes teacher notes and student activities 11 the mainshock. This module is focused on assessing only earthquake shaking hazard and risk. This wikiproject aims to enhance information on earthquakes, aftershocks, seismology, seismologists, tectonic plates, and related articles. Earthquakes are the most deadly of all natural disasters. Woods county m4 aftershocks fact sheet pdf 07082016 04. Higher risk areas are california, alaska, and the mississippi valley give no warning cause fires and. It detects the vibrations caused and it puts these movements on a seismograph. Earthquake impacts on water and wastewater utilities. Example of a long fault and a short fault are outlined in black and labeled. Open the attribute table for your new shape file right click on the name in the toc, and select open attribute table. The length of the wiggle depends on the size of the fault, and the size of the wiggle depends on the amount of slip.
Clicking the map icon in the top right corner will load the map. Welcome to wikiproject earthquakes, a collaboration area and group of editors dedicated to improving the coverage of earthquake related articles. Introduction to earthquake engineering notes ebook free download pdf the sudden slip at the fault causes the earthquake a violent shaking of the earth when large elastic strain energy released spreads out through seismic waves that travel through the body and along the surface of the earth. 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. The movement of earths crust resulting from the release of built up potential energy between two stuck tectonic plates. However, if there is a large earthquake the aftershock sequence will produce many more earthquakes of all magnitudes for months. Areas are at greater risk if they are less than 25 feet above sea level and within a mile of the shoreline. Google earthkml files for earthquakes, faults, and other special studies.
Earthquakes strike suddenly, violently, and without warning at any time of the year and at any time of the day or night. Unicef annual report 2015 nepal executive summary nepal faced a year of humanitarian crises in 2015. 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. Earthquakes and volcanoes are examples of sudden movements which originate from inside the earth. Many of these failure modes are also visible in the shake table testing of model buildings. Braile, 031203 in the building contest, we test model buildings on a shake table using. Ground shaking from moving geologic plates collapses buildings and bridges, and sometimes triggers landslides, avalanches, flash floods, fires and tsunamis. This has been observed in the daltongunning area, north of canberra. The surface where they slip is called the fault or fault plane. They strike without warning and many of the earths earthquake zones coincide with areas of high population density.
The quaternary geology of the seattletacoma urban corridor building the foundation for geologichazard mapping pdf ground motion and site conditions the data obtained from active source studies are archived at iris andor at the national geophysical data center. Learn more about the causes and effects of earthquakes. Tons of great resources for learning about the science of earthquakes. Clicking the list icon in the top right corner will load the earthquake list. Earthquakes can be felt over large areas, although they usually last less than one minute. The sudden shaking or rolling of the earths surface is called an earthquake. 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. Geological survey general information product presents some of the new understanding gained and sci.
Its like when youre teacher loses their marbles because youve asked them the same question 7 times in a row. Learn more all about earthquakes and why they happen. There are around 100 earthquakes each year of a size that could cause serious damage. Your earthquakes all of the quakes are shown with the same symbol. Earthquake hazard information photos of earthquake. This means that there is more than a 20% chance of potentiallydamaging earthquake shaking in your project area in the next 50 years. An earthquake is what happens when two blocks of the earth suddenly slip past one another. Background information on the earthquake in haiti on the afternoon of tuesday, january 12, 2010, the worst earthquake in nearly 200 years hit the island nation of haiti. Cover your mouth for protection and instead of shouting, use a whistle. Earthquake safety earthquake preparedness red cross.
The threat of future earthquakes in heavily populated regions like. Background information on the 2015 earthquake according to information provided from the united states geological service1, the earthquake on april 25, 2015 is summarized below. Largest earthquakes, significant events, lists and maps by magnitude, by year, or by location. Earthquake sounds seismological society of america. It created a considerable interest amongst the professionals associated with construction activities in any form, as well as the nonprofessionals regarding the earthquake safety issues. Additional information is provided in the following pages for each phase. What other disasters could be triggered as a result of an earthquake. The assessment of earthquake risk constitutes the first step to support decisions and actions to. An earthquake is caused by the shifting of tectonic plates beneath the earths surface.
A full definition of the term, however, would need to include a good deal more information. Earthquake earthquakes can collapse buildings and cause heavy items to fall, resulting in injuries and property damage. Imagine that youre sitting in school when the ground begins to shake. Disaster response and risk reduction 0 2 4 6 8 10 12 14 bombing drought fire tsunami volcanic eruption complex emergency floods earthquake.
The deadly izmit earthquake struck northwest turkey on august 17, 1999, at 3 a. Clicking the options icon in the top right corner lets you change which earthquakes are displayed, and many other map and list options. The science behind earthquakes what is an earthquake. Challenges in humanitarian information management and exchange. Sst project file on earthquake for class 9 youtube. Downloading earthquake data from the usgs earthquake hazards. Grayscale map of california with faults shown in red. They are caused when the earths tectonic plates move, rub, collide, or break apart. Faqs by category frequently asked questions about earthquakes by category. Carry these instructions with you and keep them in mind in case of an earthquake. In australia, seismologists people who study earthquakes prefer the use of the moment magnitude scale, which. Pdf disaster management and mitigation for earthquakes. It was followed by 16 aftershocks of around 5 on the richter scale. Earthquake resources organized by the network for earthquake engineering simulation nees topics include.
A tsunami is a series of ocean waves caused by an underwater earthquake, landslide, or volcanic eruption. Can cause major damage to poorly constructed buildings over small regions. Earthquakes are among the most deadly natural hazards. The focus is the point on the fault surface where motion begins. How to prepare for an earthquake this page provides an overview of protective actions to take before, during, and after an earthquake. Earthquake earthquakes are sudden, violent shaking of the earths crust. An earth quake can be defined as a sudden violent shaking of the ground as a result of movements in the earths crust or volcanic action. Many types of building, structure or ground failure are observed in actual earthquake damage.
This is a brief definition which students of all ages can master. Earthquake this factsheet is about what to do in an earthquake. Each time you feel an aftershock, drop, cover and hold on. The earthquakes that struck nepal on 25 april and 12 may 2015 were devastating, with an estimated total affected population of 2. Expect and prepare for potential aftershocks, landslides or even a tsunami if you live on a coast. Downloading earthquake data from the usgs earthquake. Earthquakes are the sudden shaking and vibrating of the earths crust as a result of a rapid release of energy when rocks break and move along faults. An earthquake is caused by the breaking and shifting of rock beneath the earths surface. Earthquake simple english wikipedia, the free encyclopedia.
The assessment of earthquake risk constitutes the first step to support decisions and actions to reduce potential losses. Check yourself for injuries and get first aid, if necessary, before helping injured or trapped persons. There are, however, millions of earthquakes estimated to occur every year that are too weak to be recorded. Challenges in humanitarian information management and. The epicentre was in lamjung district, northwest of kathmandu. Mar 12, 2011 pay attention to information from the mass media, municipalities, fire department, and police. Books fall off the shelves and you might even be thrown from your chair. Its all the information in the attribute table that allows you to display the data by various attributes. Ogs statement on usgs maps of potential groundshaking hazards 2017 pdf april 21, 2015 ogs statement on oklahoma earthquakes.
Earthquake magnitude earthquake severity richter magnitude earthquake effects less than 3. Unicef nepal information note earthquake 25 april 2015. Utilities that know they are in earthquakeprone areas, but have not taken steps to address the hazard. Introduction to earthquake engineering notes ebook free. The location below the earths surface where the earthquake starts is called the hypocenter, and the. Others, such as poor connection to foundation, fallen objects, or ground. Most deaths during earthquakes are caused by falling objects. The strength, or magnitude, of an earthquake, is measured using the richter scale.
Earthquake hazard information photos of earthquake damage. The purpose of this assessment was to provide baseline data about the coverage. Prepare learn what you can do to prepare for an earthquake before, during, and after. Free earthquake worksheets for use when learning all about. The epicenter is the point on earths surface directly above the focus. Emsc european mediterranean seismological centre provides real time earthquake information for seismic events with magnitude larger than 5 in the european mediterranean area and larger than 7 in the rest of the world. Earthquakes cannot be predicted although scientists are working on it. The size of the earthquake is called its magnitude. As of september 21, the gom and international media reported that the earthquake had resulted in at least 250 deaths. As timedependent approach requires detailed information concerning the past earthquakeity in the region andfault rupture history application of timedependent earthquake hazard analysis is still limited to only a few places in the world with wellstudied active faults e. Earthquakes teacher notes and student activities ga. If you are trapped, send a text or bang on a pipe or wall. Kathmandu time, striking a large area of central nepal between the capital kathmandu and the city of pokhara.
Project report on earthquake pdf earthquakes are one of the most destructive of natural hazards. An engineering study of the eureka, california, earthquake of december 21, 1954, karl v. About latest earthquakes version info clicking the list icon in the top right corner will load the earthquake list. Earthquake hazard information photos of earthquake damage, modes of building failure part 1 information for interpreting the results of building contest and shake table testing. What earthquakes happened on this same day in past years. Defining an earthquake unit i, level 1, grades k2 i what is an earthquake.
Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. It is one of the service agencies of the department of science and technology. Immediately after an earthquake zero to two minutes after a quake. The sudden release of tension in the tectonic plates. Earthquake 22 173cc 4cycle gas trimmer and edger at menards. This shaking can result in the damage of various structures such as buildings and further breakdown of the earths surface. Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through earths rocks. Yet, this machine is as agile as a handheld string trimmer with five. Here you can download the free disaster management pdf notes dm notes pdf latest and old materials with multiple file links to download.
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