Three station recordings are needed to locate an epicenter. If you are unsuccessful at locating the epicenter, describe how you modified your work to come to the correct answers. In some areas, however, foci may be as deep as 700 km. Download this template, plus more 25 in all earthquake powerpoint templates and backgrounds. Ppt earthquakes powerpoint presentation free to download id. Disaster management earthquake ppt 140am 6nge6gqm8jlv. Faqs on the subject of earthquakes are answered by researchers from the. Ppt earthquake focus and epicenter powerpoint presentation. Students use distance from epicenter and a compass to draw circles around three different recording stations. Free download earthquake ppt template for microsoft powerpoint 2007 and 2010. Epicenter is the place on earths surface directly above the focus, or hypocenter, where the earthquake happened. Jul 04, 20 earthquake effects on tall buildings types of earthquake faults. Finding the epicenter of an earthquake umorismo video. The epicenter of an earthquake is the place on the earths surface directly above the focus or hypocenter, the place inside the earth where the quake originates.
Earthquakes most often occur along existing faults whenever the frictional forces on the fault surfaces are overcome. Free powerpoint templates download free powerpoint backgrounds and powerpoint slides on earthquake. Buildings destroyed by the fire when the gas mains fractured. Earthquake epicenter lab by margarita ramirez reflection questions. Vibrations earthquakes occur as the deformed rock springs back to its original shape elastic rebound. Earthquake powerpoint template is a red template with an appropriate background image which you can use to make an elegant and professional ppt presentation. Focus is the point on the fault where rupture occurs and the location from which seismic waves are released. Description of earthquake authorstream presentation. A traveltime graph is used to determine each stations distance to the epicenter. The focus and epicenter of an earthquake focus the point within earth where faulting begins is the focus, or hypocenter epicenter the point directly above the focus on the surface is the epicenter. In addition to causing devastating tremors on land, the earthquake also generated a deadly tsunami, reaching up to 80 feet high. Locating the epicenter of an earthquake powerpoint ppt presentation.
A free powerpoint ppt presentation displayed as a flash slide show on id. The basic concept for earthquakes, of course, is the three main seismic waves. Calculating the epicenter of earthquakes maple programming help. Earthquake waves do not originate at the epicenter. Use these 25 slides of earthquake powerpoint as a complete lesson on one of the natural disasters topics you are teaching. Disaster management project fileclass 7, 8, 9, 10natural and manmade disasterjust copy it avp duration. Robert butler, university of portland oregon keypoints. Free hurricane powerpoint template is a template design for presentations on natural disaster and hurricanes.
The epicenter what determines how much the ground shakes during an earthquake. Earthquake is a violent tremor in the earths crust, sending out a series of shock waves in all directions from its place of origin or epicenter. This earthquake powerpoint theme or template is to a great extent colored black. The location below the earths surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter.
The presentation is beautifully illustrated and includes informative content that makes it an exciting and engaging lesson starter. On february 4, 1975 the chinese successfully evacuated the city of haicheng several hours before a 7. Earthquake resistant building construction seminar and ppt with pdf report. Earthquake also known as quake, tremor or temblor is the phenomenon where there is a sudden release of extreme energy from the earth crust resulting in shaking and displacement of the ground along with the creation of sesmic waves. This video slideshow was converted from the powerpoint file chile earthquake february 27,2010 with moyea ppt to video converter, click to download the free trial to upload your own powerpooint to youtube. Powerpoint is the worlds most popular presentation software which can let you create professional earthquakes and volcanoes powerpoint presentation easily and in no time. Recorded during a 2007 teacher workshop on earthquakes and tectonics. The epicenter of this mega thrust earthquake was near lumaco, approximately 570 kilometers 350mi. The slide design can also be used as part of tsunami information presentations, home security systems or motion detector devices for earthquakes. These are smaller earthquakes that happen in the same place as the larger earthquake that follows. Apocalypse backdrop bomb combat crisis damage danger detonate detonation disaster emergency environment explode explosion nature white.
The tsunami raced across the pacific ocean, thousands of miles from the earthquake s epicenter, hitting faraway countries like the philippines and japan. Earthquakes and faults movements that produce earthquakes are usually associated with large fractures in earths crust called faults most of the motion along faults can be explained by the plate tectonics theory. Explains how energy is stored in rocks rocks bend until the strength of the rock is exceeded rupture occurs and the rocks quickly rebound to an undeformed shape energy is released in waves that radiate outward from the fault the focus and epicenter of an earthquake the point within earth where faulting begins is the focus, or hypocenter the. Do not rush use the ntt disaster telephone message service 171 or make conversations as short as possible protect your head with a helmet or cushion, and hide in a safe place, such as under a table. If the epicenter of a larger earthquake is situated in the offsore seaocean seabed may be displaced sufficiently to cause tsunami. Finding the distance to the epicenter and the earthquakes. An engineering study of the eureka, california, earthquake of december 21, 1954, karl v. After it breaks, it regains its original shape but not position. Earthquakes and seismology remember, there are 3 types of stress tension, compression, and.
The download includes a title slide thats independent of the remaining slide layouts. Each station determines the time interval between the arrival of the first p wave and the first s wave at their location. Locating the epicenter the source of an earthquake is called the focus, which is an exact location within earth were seismic waves are generated by sudden release of stored elastic energy. Use slide show mode to step through illustration of. Less economically developed country ledc earthquake in kashmir, pakistan lets compare.
The system requirements for powerpoint templates are. Elastic rebound earthquake mechanism slippage at the weakest point the focus occurs. Ppt locating the epicenter of an earthquake powerpoint. Ppt earthquakes powerpoint presentation free to download. Earthquakes can also occur along former fault lines in the middle of current plates. In few cases the earthquake is fierce to the surface of the earth which delivers the energy in the crust of the earth, coming to the released energy then it is a quick and unexpected displacement of the. Loss of life in the turkish earthquake was greatest in the city of izmit, located close to the earthquake s epicenter. The focus and epicenter of an earthquake the point within earth where faulting begins is the focus, or hypocenter the point directly above the focus on the surface is the epicenter slide 5.
Locating earthquake epicenter lab triangulation by alyse. Earthquake powerpoint templates w earthquakethemed. The earthquake epicenter is at the intersection of these three circles. Words to know earthquake focus epicenter seismic wave facts most earthquakes occur along faults where two plates touch when.
It also triggers land slides and occassionally volcanic eruptions. The location of an earthquake s epicenter point on the earths surface directly above the location of rupture or faulting can be determined using information about two of these seismic waves. Earthquake powerpoint template for free download free. Earthquakes 2 focus and epicenter focus where the earthquake happens epicenter the spot on the surface above the focus 3 elastic rebound stress causes the ground begins to be deformed. Each type appears as a unique signature on a seismogram, the visual. This ks2 powerpoint presentation on earthquakes teaches children about where earthquakes happen, why they happen, how to stay safe in an earthquake and the different strengths of earthquakes. Most news stories on earthquakes will list the epicenter of an earthquake and then tell how deep the earthquake was from the epicenter. The epicenter is the point on the surface of earth directly above the focus. Seismographs record earthquake events at convergent boundaries, focal depth increases along a dipping seismic zone called a benioff zone. Earthquake powerpoint template powerpoint templates free. Only convergent and transform boundaries tend to cause large earthquakes divergent boundaries do cause earthquakes as well, but these tend cause much less damage. Timedistance graph showing the average travel times for p and swaves.
Origin of earthquake the point within earth where faulting begins is the focus, or hypocenter fig. How close a location is to the epicenter the types of rock and soil surrounding the. How to locate an epicenter youtube ppt earthquakes powerpoint presentation id. Direct compressional waves p waves are faster moving and shear waves s waves are slower. Lab report format for earthquake epicenter lab by prezi user. Ppt earthquake focus and epicenter powerpoint presentation free to download id. Also included are a quiz and 4 activity worksheets to use after the use of this powerpoint. Earthquake ppt free download as powerpoint presentation.
Earthquake resistant building construction pdf and ppt. Disaster management earthquake ppt 140am earthquakes. The adobe flash plugin is needed to view this content. The focus and epicenter of an earthquake powerpoint ppt presentation. There are other free disaster management powerpoint templates and earthquake presentation slides for example to be used in dashboards for earthquake monitor presentations or related. Oct 16, 2007 download earthquake powerpoint templates for presentations.
Explain how the release of energy of various types of earthquakes relates to magnitude, and p and s waves. It can be used as a background for presentations about some famous earthquakes. Well, everyone knows about the earthquake and an earthquake is an oscillation or the quivering. This complete lesson plan is ready to print and teach. Disaster management earthquake ppt 140am free download as powerpoint presentation.
Free download earthquakes and volcanoes powerpoint. Earthquake focus and epicenter what is an earthquake earthquakes and faults movements that produce earthquakes are usually associated with large fractures in earth. Words to know earthquake focus epicenter seismic wave facts most earthquakes occur. When an earthquake occurs, vibrations initiated by fracturing of the earths crust radiate outward from the point of fracture. The first type of wave to consider when determining the epicenter of an earthquake is the pwave. Locating an epicenter you need at least 3 seismic stations to locate an epicenter the p and s waves help determine where the epicenter is located where all three circles meet is the location of the epicenter.
Questions and answers on the subject of earthquakes eskp. An earthquake occurs when a rock passes its point of maximum elasticity. The epicenter of the earthquake is located some 500 km to the northeast of the sunda trench, where lithosphere of the india plate begins subducting to the. This free powerpoint template is perfect when you want to explain how earthquakes occur. This resource contains a 22slide ppt and 2 pages of student correlated notes. Earthquakes an earthquake is the vibration of earth produced by the rapid release of energy focus and epicenter focus is the point within earth where the earthquake starts. The focus and epicenter of an earthquake the point within earth where faulting begins is the focus, or hypocenter the point directly above the focus on the surface is the epicenter powerpoint presentation. Locating the epicenter of an earthquake ppt download slideplayer. The denser the monitoring network, the faster the location of the epicentre and the magnitude of the earthquake can be determined. The function of this resource is to introducego over the following terms. If the epicenter of a larger earthquake is situated in the offsore seaocean seabed may be displaced. This resource is now available with all of my earthquake resources in my earthquake bundle. Epicenter free download as powerpoint presentation. The farther away a seismograph is from the focus of an earthquake, the longer the interval between the arrivals of the p and s waves how is an earthquake s epicenter.
Sep, 2012 this powerpoint presentation can be used in conjunction with the earthquake location activity. Ii felt only by a few people at rest, especially on upper floors of buildings. Even a glance at an earthquake epicenter map shows. Earthquake foci are usually somewhere between the surface and 100 km in depth. This helps you give your presentation on earthquakes and volcanoes in a conference, a school lecture, a business proposal, in a webinar and business and professional representations.
Earthquakes are named for the epicenter location, for example, the nisqually earthquake occurred 53 km 33 miles below the mouth of the nisqually river in western washington. I use a ed worksheet which also shows the parts of an earthquake such as focus and epicenter, and illustrates the three main waves. Earthquake sounds seismological society of america. With the earthquakes 5e lesson, students will identify the role plate boundaries play in earthquakes, model different types of faults and their related stresses, compare seismic waves, and interpret graphs related to seismic waves. Disasters in india scope of hazards and disaster management. Locating the epicenter of an earthquake the triangulation method earthquake in an earthquake, stored energy is suddenly released through a movement along a fault. Ppt the focus and epicenter of an earthquake powerpoint. Find the epicenter of an earthquake polk school district. This is a great visual learning tool for teaching the concept of an earthquake enabli. In fact, data from seismographs showed that the shockwaves.
The powerpoint template design with the image of a whirl. Locate earthquakes epicenter and focal pointand relate to different types of plate boundaries. The epicenter of the earthquake was offshore from the maule region, approximately 8 km 5. On the morning of january 26, 2001, the nations 52nd republic day, a devastating earthquake occurred in the kutch district of the state of gujarat. Seismic waves seismic waves emanating from the focus can travel as body waves or surface waves. The focus is the underground origin of an earthquake. This number will be used to tell you how far your seismograph is from the epicenter of the earthquake. Directly above the focus, on the earths surface is the epicenter. The focus and epicenter of an earthquake the point within earth where faulting begins is the focus, or hypocenter the point directly above the focus on the surface is the epicenter. Nov 01, 2009 locating where an earthquake occurred by using the p and swave arrival times of seismic waves to three different seismograph stations. Free earthquake powerpoint template is categorized under.
During an earthquake, the most violent shaking is found at the epicenter. Assessment of student knowledge and skills that tests the following concepts. Earthquakes constitute one of the worst natural hazards which often turn into disaster causing widespread destruction and loss to human life. Epicenter is the point on the earths surface that is directly above the focus,the point where an earthquake or underground explosion originates.
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