activity 4 locating an earthquake epicenter answer keyactivity 4 locating an earthquake epicenter answer key

graph. Mapping the history of natural hazards in a region, combined with an understanding of related geologic forces can help forecast the locations and likelihoods of future events. (Figure 3):. Though they may weaken with distance, seismographs are sensitive enough to still detect these waves. Place a ruler (or straight edge) on the chart between the points you marked for the distance to the epicenter and the amplitude. MS-ESS3-2. (Grades hbb2b`b``a I @ endstream endobj 62 0 obj <>/Metadata 55 0 R/Pages 51 0 R/StructTreeRoot 57 0 R/Type/Catalog/ViewerPreferences<>>> endobj 63 0 obj <>/Font<>>>/Fields[]>> endobj 64 0 obj <>/Font<>/ProcSet[/PDF/Text]>>/Rotate 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 65 0 obj <> endobj 66 0 obj <> endobj 67 0 obj <> endobj 68 0 obj <>stream 3000 miles. EARTHQUAKES: Epicenter Determination and Seismic Waves First locate and mark the three seismic stations on the world map provided below. Y$Kr;V6[;Dq vg~cx:A[^jCssupwD endstream endobj 80 0 obj <> endobj 81 0 obj <>stream Seismic Waves. https://people.wou.edu/~taylors/gs104/lab5key.pdf Locating Earthquake Epicenters | CK-12 Foundation Apr 8, 2020 . All 100,000+ K-12 STEM standards covered in TeachEngineering are collected, maintained and packaged by the Achievement Standards Network (ASN), The nations most famous fault is the San Andreas Fault, which runs along a north-south trend in southern California, and happens to run directly through Los Angeles. The USGS and its partners monitor and report earthquakes, assess earthquake impacts and hazards, and . 0000000016 00000 n I also will take them through the general process of how find the difference in arrival times of p- and s-waves can be used to find a distance to an earthquake and how using data from 3 seismograph stations is used to locate the epicenter. 1. Locating the epicenter of an earthquake worksheet answer key, locating the epicenter of an earthquake worksheet pdf, chapter 7 lab 1 locating epicenters answer key, how many seismographs are needed to locate the epicenter of an earthquake. Explains how to find an earthquake epicenter using at least three seismograph stations. 1) Identify the general term for waves released from an earthquake. Then do the same for the S-wave. If your seismograph station is This worksheet focuses on using the p and s graph to find different variables. Doing this generates an S-P interval graph (time vs. distance, called the travel-time curve graph) from which they determine and select three epicentral distances. !5(~q* In this activity, students use an online simulationVirtual Earthquakethat is accessible through the Earthquakes Living Lab interface, to locate the epicenter of an earthquake by making simple measurement on three seismograms, recordings of an earthquake's seismic waves detected by instruments (seismographs) far away from the earthquake. Seismograms 0000000956 00000 n The uses of technologies and any limitations on their use are driven by individual or societal needs, desires, and values; by the findings of scientific research; and by differences in such factors as climate, natural resources, and economic conditions. A circle is drawn from each of the three different seismograph locations, where the radius of each circle is equal to the distance from that station to the epicenter. Today we will be using a traveltime graph, where the vertical separation between, the P and S curves is equal to the difference in the arrival times between the Pwave, and Swave. Focus (aka Hypocenter) is the location in the Earth where the earthquake starts. Direct students to finish the activity by completing the. Sixty-seven people lost their lives, and property damage was estimated at $6 billion. 0000079769 00000 n Notify the classroom teacher of technology needs (overhead projector). Finally, the location of the 3 seismographs are placed on a map and the distance to the epicenter is used to draw a circle with an origin at each seismograph and a radius equal to the distance to the epicenter as taken from each seismogram. American Geosciences Institute. Subjects: The real-world earthquake data is viewable via a graphical interface using a scaling map. epicenter: A point on the Earth's surface that is directly above the place where the underground forces of an earthquake originate. El trmino tambin puede hacer referencia al ttulo o nombre de alguien a quien se di, Practica II - De Psicologian membrete es aquello que se ubica en el sector superior de una pgina, mencionando el ttulo o el nombre de un individuo, una empresa, etc. Adjust the timing to the class period, remembering that you will need time to introduce the investigation, clean up afterwards, and re-set up for the next class (if you are working with more than one class). Earth and Space, Physical Science, A process called triangulation uses seismic data from three locations to identify the epicenter of an earthquake.copyrightCopyright USGS http://earthquake.usgs.gov/learn/kids/eqscience.php. View Notes - Locating_an_epicenter_activity from SCIENCE Earth Scie at Toms River High North. HTn {0,`K6}(J6]&Q^"!q57y_VQ9fp3/?Mc=KGsrrt:c\$Lh`4}>C>`qcSj0[YpZ_Su(322/N Z./$E )H %C[5ph[BUyGh7|!XPQiDjJ(|BNvylk+g;9G(#Aby>Jcf`XmnwtDD+;Z^I&Sb-4!7oi` L7 endstream endobj 78 0 obj <> endobj 79 0 obj <>stream (from left to right). 0000001736 00000 n In the U.S., earthquake measurements under the MMS (those of magnitude 3.5 or higher) are still commonly erroneously referred to by the general public and media as being on the Richter scale, due to more familiarity with the Richter scale. approximate period of the surface waves in seconds? Travel-time graphDistance in Miles, Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, seismogram. lag time. d>(ZvO= 500p;333aXb3 \a.1. If the lag time were measured at a location closer to the epicenter, how would it compare P and Swaves are body waves and travelthrough the interior of the earth. (Grades Apr 8, 2020 One seismogram indicates the distance to the epicenter. Click on New Document and select the file importing option: upload Locating the epicenter of an earthquake worksheet answer key from your device, the cloud, or a protected link. Before going to the classroom, you will need to: Provide each student, with the following: Earthquakes occur every day all over the United States and all over the world. 1,000 miles from the epicenter of an earthquake? earthquake - shaking and vibration of Earth's surface. follow our easy steps to get your lab activity locating epicenters answer key well prepared rapidly choose the template in the library enter all necessary information in the required llable areas the ?t?s=Yt '_( endstream endobj 76 0 obj <>stream Triangulation is required to determine exactly where it happened. Most of these earthquakes are small tremors that cant be felt by people, but occasionally an earthquake occurs on a large magnitude that causes millions of dollars in property damage and kills hundreds to thousands of people. If less precision is desired, precede M with a tilde, such as "M ~7" or "magnitude ~6.8.". If a quake is near the seismograph, the S-waves arrive shortly after the P-waves. Locating an Epicenter through Triangulation of Seismic Data- Remote/Hybrid/Live. 0000005081 00000 n HS]o01j6R0iMm4U=wL8]BE< The epicenter of an earthquake can be found using the difference between the arrival of the Primary and Secondary waves. An earthquake is what happens when two blocks of the earth suddenly slip past one directly above it on the surface of the earth is called the epicenter. Every year, earthquakes cause death and destruction worldwide. Earthquakes Living Lab: Finding Epicenters & Measuring Magnitudes. Step 1: ans- d) 65 seconds Ste . 0000005149 00000 n (Source: USGS, Wikipedia). Reading Strategy. Graphs, charts, and images can be used to identify patterns in data. 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Of the four Earthquakes Living Lab seismic areas, choose the "Chile" box, as shown in Figure 3. Short for "secondary wave" or "shear wave." 2. [*aiLG?+J\QI86~}ooRrr!pm}dk@dBbZPMZlC4C\9^ SM.R\!H+$|+DUzt^w{" %&{KXjT'9yzT^UFe:+f(`PU_9%EW@\)?i qp!\G Z endstream endobj 75 0 obj <>stream How is the magnitude of an earthquake determined? Click for facts and worksheets in PDF! Civilization and its Discontents (Sigmund Freud), Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Brunner and Suddarth's Textbook of Medical-Surgical Nursing (Janice L. Hinkle; Kerry H. Cheever), Psychology (David G. Myers; C. Nathan DeWall), The Methodology of the Social Sciences (Max Weber), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. important in helping seismologists determine the epicenter of the earthquake. While earthquake locations are normally done with a computer that can quickly determine the paths of seismic waves through the Earth to many seismic stations, 15 Introduction to Geology Chapter Worksheet . n{6c&6NK*U;=9i%nF 0000008088 00000 n Show students some of the numerous online animations comparing the movements of P and S waves. Accessed December 11, 2013. http://en.wikipedia.org/wiki/Moment_magnitude_scale, Novak, Gary. Next, have student groups answer the eight questions in the. Thus technology use varies from region to region and over time. 0000001675 00000 n 5 4. Earthquakes and Volcanoes. Earthquakes and Seismic Waves Key Concepts . Earthquakes can also cause tsunamis, which are very large waves that can damage coastlines and put coastal residents in danger. Though the distance to the epicenter can be determined using a travel-time graph, the direction cannot be told. U.S. Geological Survey, U.S. Department of the Interior. Make arrangements so that each student group has a computer with Internet access. Run through the investigation yourself and record the data, just to see how long it takes. 0000001562 00000 n Do you agree with this alignment? This activity is designed around the Earthquakes Living Lab, a resource and online interface that uses real-time U.S. Geological Survey seismic data from around the world. Introduction: Before student pairs look at the Earthquakes Living Lab, direct them to complete the Engage section of the Finding Epicenters and Measuring Magnitudes Worksheet, which asks them to apply any prior knowledge and/or speculate as to what the Richter magnitude scale is and what an epicenter is. Must engineers be content with mitigating disasters, instead of preventing them? Before looking at the Earthquakes Living Lab, have pairs complete the, Then guide the teams to the Earthquakes Living Lab via the living lab website at. S waves. 61 0 obj <> endobj xref earthquakes. 0000004769 00000 n Refer to the data table and use the difference in arrival times to determine the distance to the earthquake epicenter for Station 2. (Source: USGS, Wikipedia). Students first triangulate the location of an earthquake's epicenter, then calculate its magnitude. Wikipedia, The Free Encyclopedia. Overhead transparency of each of the handouts, Overhead projector (contact classroom teacher about this) and screen, Optional: overhead transparency or PowerPoint of, What do you know about the causes and impacts of Earthquakes? You will receive your score and answers at the end. 4. The simulation renders three circles on a map and directs students to find the epicenter. Upload a document. HtA1D41`s(GME$Ke*YdEOYf2-:r. Get the inside scoop on all things TeachEngineering such as new site features, curriculum updates, video releases, and more by signing up for our newsletter! Use of the TeachEngineering digital library and this website constitutes acceptance of our Terms of Use and Privacy Policy. A seismograph is securely mounted onto the surface of the earth so that when the earth shakes, the entire unit shakes with it EXCEPT for the mass on the spring, which has inertia and remains in the same place. This page titled 13.4: Locating an Earthquake Epicenter is shared under a CC BY-SA license and was authored, remixed, and/or curated by Deline, Harris & Tefend (GALILEO Open Learning Materials) . Locating The Epicenter Of An Earthquake Worksheet Answers, Content Outline Earthquakes For Teaching - Mrs. Parsiola's Homepage, Earthquakes & Volcanoes Test Review Answers, Earthquake Facts & Worksheets | Mechanism, Impact, Events, Quiz & Worksheet - Causes Of Earthquakes - Study.com, 15 Bill Nye - Earthquakes Worksheet Key | PDF - Scribd, Bill Nye-The Science Guy * - Biloxi Public Schools, psc plus two level preliminary exam syllabus pdf 2023, first tuesday real estate principles exam answers, ies exam pattern for mechanical engineering, resultados examen practico dgt las palmas, exame de sangue precisa de quanto tempo de jejum, sslc question paper 2023 karnataka pdf with answers social science, examen de formacion civica y etica tercer grado secundaria, ctet exam date 2023 application form last date, why is it important to do self breast exams, quanto tempo depois de infectado pelo hiv aparece no exame. and S waves depends on the distance from the epicenter of the answer the following question. If you can't find an answer to your question, please contact us. Details. (Figure 3):. Describe the process of triangulation to locate an epicenter. within type by subtype, then by grade, etc. 0000003966 00000 n Focus. Every earthquake is recorded on numerous seismographs located in different directions. When an earthquake strikes, P waves arrive at a seismograph rst and S waves next. Scientists and engineers around the globe gather data through observation and experimentation and use it to describe and understand how the world works. Zip. PS: We do not share personal information or emails with anyone. The western U.S. has more faults than the eastern U.S., and therefore the western U.S. has more earthquakes. Take a few minutes to read the information on the left side of this page for the 2010 earthquake off the coast of central Chile. Legal. Resources. You will analyze the records and locate the earthquake using a method known These natural disasters may be mitigated, however, by insightful and creative engineering. 0000002507 00000 n seismogram. %PDF-1.3 % [N'. Shear wave from earthquake, moving slower than primary waves, through solid material only. Last modified July 18, 2012. 6. Draw your signature, type it, upload its image, or use your mobile device as a signature pad. ' endstream endobj 69 0 obj <> endobj 70 0 obj [85 0 R] endobj 71 0 obj <> endobj 72 0 obj <> endobj 73 0 obj <>stream Triangulation to Locate an Earthquake By Earthquake Hazards Original Thumbnail Medium Detailed Description Triangulation can be used to locate an earthquake. Richter scale Method of earthquake measurement based on the amplitude of seismic . Also called seismometer. In order to determine the location of an earthquake epicenter, seismographsfrom at least three different places are needed for a particular event. triangulation: A method to determine exactly where an earthquake originates. Question: ACTIVITY 2B Locating an Earthquake Figure 5 shows seismograms for the same earthquake recorded at three locations-New York; Nome, Alaska; and Mexico City. Then locate and click the link in the center of the page under the question: "How is an earthquake epicenter located and how is magnitude determined"? 3. epicenter - the point on Earth's surface directly above the focus, or origin, of an earthquake. To accurately locate an earthquake epicenter, records from three. Free K-12 standards-aligned STEM curriculum for educators everywhere. 0000007097 00000 n The longer the time is between the P-and S-wave . Do you agree with this alignment? Answer Key: Lab 5 Earthquakes - Find People, Locating Earthquake Epicenters | CK-12 Foundation, Earthquake Station - Regents Earth Science, Locating Earthquakes Teaching Resources - TPT, Locating An Epicenter Teaching Resources - TPT, How To Find The Epicenter Of An Earthquake - YouTube, Locating The Epicenter Of An Earthquake Worksheet, Locating An Earthquake Epicenter Worksheet Answers, glencoe responsible driving chapter 2 answers, pnp neuro psychiatric exam sample questions, quais tipos de drogas sao detectadas no exame toxicologico, centro de apoio diagnostico resultado de exames, locating earthquake epicenter worksheet answer key, exame pcr covid para viagem internacional, quantos dias pra sair o resultado do exame de covid, du ma political science entrance exam syllabus 2023, earth and life science grade 11 module 4 genetic engineering answer key, go math grade 5 chapter 11 lesson 11.9 answer key, civil service examination in the philippines. 0000003254 00000 n minutes and P waves 8 minutes to What data is used to determine magnitude? See Answer. 12), Seek, evaluate, and use a variety of specialized resources available from libraries, the Internet, and the community to find scientific information on Earth's history If a quake is far from the seismograph, the P-waves arrive long before the S-waves. 0000004511 00000 n It is called triangulation because a triangle has three sides, and it takes three seismographs to locate an earthquake. Using historical seismographs, engineers forecast the strength or magnitude of earthquakes and make predictions and determine building codes and safety protocols. longer or shorter). 0000002094 00000 n Conclude the activity with a class discussion (and perhaps homework questions) to share ideas and answers, as described in the Assessment section. Another method of locating an earthquake is to use the P-wave arrival-time minus origin-time (P - O) interval instead of distance. The farther a station is from the Yw8SxGk}X3kfTfW& gk`41#'uf7"G\fsN4^8jC7[+%`qFLFKpFc How far do S waves travel in 5 As the drum rotated, t, pen recorded the arrival of P, S, and surface, between arrival of P and S waves is called, epicenter, the longer the lag time measured, velocity, amplitude, and frequency of the. Several thousand seismographs exist at locations around the planet, continuously measuring abnormalities in the Earth's movement. Learn from this informative and clear video.Brought you by award-winning Once each student has constructed his or her circle on the map, mark with an X, the epicenter of the earthquake. Divide the class into student pairs, and have them assemble at their computers with journals/paper and writing instruments. Sign, fax and printable from PC, iPad, tablet or mobile with pdfFiller Note-taking Worksheet. 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So next, students compute the magnitude of this same earthquake by looking at the three simplified seismograms again, but this time selecting each's maximum S wave amplitude (height). (Grades The travel-time graph ya{I;W@DgMN2:UtbT=*+cY1.8Vm(u3Zt"J @9TAjJH@H_F3n7\Srdw~gAR#JQGj`ueS! Student exploration Graphing Skills SE Key Gizmos Explore Learning. Have students turn in their answers for the Explain portion of the worksheet. To complete the activity, some prior . Review their answers to assess their base knowledge of the subject matter. Looking at the nomogram, students click on each location data point to see where the three lines intersect to read the estimated magnitude. In this investigation, participants will understand that S and P waves are used to find the epicenter of an earthquake by using seismograph data to triangulate an epicenter. Earthquake Location 2 Using the skills that you acquired in the picking P and S arrivals, you can now locate an earthquake using real seismic records. What is the The magnitude determination is based on seismic data. Swaves arrive at the seismic station after the Pwaves. Earthquakes & Volcanoes Test Review Answers. 0000031066 00000 n Mark the first arrival of the swave on each seismogram. Success is figuring out that the epicenter is just off the coast of Chile, where the three circles intersect. Tracings made at three separate seismic stations are needed to locate an earthquake epicenter. 0000003991 00000 n earthquake though). Therefore, the lag We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. surface wave? Activity 4 Locating An Earthquake Epicenter Answers: Fill Out & Sign . These distances are determined using a travel-time curve, which is a graph of Pand S-wave arrival times (see Figure 13.11). The period of a wave is the time between two adjacent wave peaks. We have answers to the most popular questions from our customers. 9 - The American Geosciences Institute represents and serves the geoscience community by providing collaborative leadership and information to connect Earth, science, and people. 0000004224 00000 n Accessed December 11, 2013. http://earthquake.usgs.gov/aboutus/docs/020204mag_policy.php. hb```f``Rl@ (l"`+uk?0.a~@6Vm;| G3f`75@v@Wz|A4#w9{(` ) ACTIVITY 4.2B Locating an Earthquake Figure 4.5 shows seismograms for the same earthquake recorded at three locations - New York, Nome, Alaska, and Mexico City. Locating An Earthquake Epicenter Lab Answers Thank you for reading Locating An Earthquake Epicenter Lab Answers . locate and label the epicenter of the earthquake on this map. 0000103591 00000 n The living lab presents earthquake information through a focus on four active seismic areas and historic earthquakes in those areas. Students learn about factors that engineers take into consideration when designing buildings for earthquake-prone regions. 12), Evaluate ways that technology can impact individuals, society, and the environment. 87 0 obj <> endobj xref 87 28 0000000016 00000 n Follow this simple guide to edit Locating the epicenter of an earthquake worksheet answer key in PDF format online free of charge: Explore all the advantages of our editor right now! The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. 13. Considered best for measuring small earthquakes (3.5 M or less). 9 - 0000001604 00000 n The USGS now uses the MMS to estimate magnitudes for all modern large earthquakes. hb```b````e``n`d@ A 'EF''oquE"ky#:}m;9JmkPt~=unFHy&|X:70 vILZ*|%6mD! Use Figure 4.5 and the travel-time graph in Figure 4.4 to determine the distance between each station and THREE SEISMOGRAMS the epicenter. 12), computer or other device with Internet access, journal or writing paper for each student. Use Figure 5 and the travel-time graph in Figure 4 to determine . It is slower than the same earthquake's P wave and cannot travel through liquids. (Source: USGS). 01. What about P waves? 0000001396 00000 n When the tension becomes too great, the fault slips, causing an earthquake. Use the process of triangulation to locate an earthquake's epicenter. Locating an Epicenter Activity - Arkansas Geological Survey What types of engineers might use this data the most? from the epicenter will be 14 8. Thanks for your feedback! www.teachengineering.org/activities/view/csm_findingepicenters_activity1, Search curriculum by Common Core standards, http://www.teachengineering.org/livinglabs/earthquakes/, Click to view other curriculum aligned to this Performance Expectation, Finding Epicenters and Measuring Magnitudes Worksheet, Finding Epicenters and Measuring Magnitudes (docx), Finding Epicenters and Measuring Magnitudes (pdf), Finding Epicenters and Measuring Magnitudes Example Answers (docx), Finding Epicenters and Measuring Magnitudes Example Answers (pdf), Earthquakes Living Lab: FAQs about P Waves, S Waves and More, Seismic Waves: How Earthquakes Move Through the Earth, Earthquakes Living Lab: Designing for Disaster, http://www.teachengineering.org/livinglabs/index.php, https://www.newpathonline.com/api_player/enus_54_6304/LXX/index.html.
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