activity 4 locating an earthquake epicenter answer key

You will receive your score and answers at the end. Therefore, the lag important in helping seismologists determine the epicenter of the earthquake. 11 minutes elapsed between the first P wave and the last measurable surface wave. Accessed December 11, 2013. http://en.wikipedia.org/wiki/Moment_magnitude_scale, Novak, Gary. How does distance from the epicenter affect the magnitude (height) of the seismograph reading? (from left to right). The point of origin of an earthquake is called its focus and the point on the Earth's surface directly above the focus is the epicenter. How might they use this information? The epicenter of an earthquake can be found using the difference between the arrival of the Primary and Secondary waves. Alignment agreement: Then from the same recordings they determine the earthquake's magnitude, an estimate of the amount of energy released during the earthquake. For example, the western United States has earthquakes more frequently and on a larger scale than the eastern part of the country. "`B(R6sj [CX7p+s =#;~ `'kA How many minutes elapsed between the arrival of the first P wave and the last measurable 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 . The farther away the epicenter is, the greater the difference . =Cv :~4yrXP 62{_,*Uq/O-oUNBr-$y~:G},#3e^CS6U*_zVGY7ZNUWk2f?? {%!,"{u5E&OOqA_"/uxn-kx+Vz*EQb)Q Entering the three maximum amplitudes generates a nomogram, a graphical device that simplifies the process of estimating magnitude from distance (determined earlier in the tutorial from the S-P interval process) and amplitude. You will analyze the records and locate the earthquake using a method known lag time. Conclude the activity with a class discussion (and perhaps homework questions) to share ideas and answers, as described in the Assessment section. approximate period of the surface waves in seconds? Edit your locating an earthquake epicenter worksheet answers online. How does distance from the epicenter affect the S-P time interval? Earthquakes can also cause tsunamis, which are very large waves that can damage coastlines and put coastal residents in danger. Scientists and engineers around the globe gather data through observation and experimentation and use it to describe and understand how the world works. A.45 seconds B.50 seconds C.55 seconds D.65 seconds Answer Key: D Video Guide / Worksheets and Quizzes for Quizzes and Answer Sheet __ 2. E}g7$i(=K)"aj%v]vPcYloi@X3noGX{[XucOgkdF.>Ym^fwrQf;8_Nok3w\;?n_Hhc?>k\o[%DgwJ'3d.lTqDy_aJw! 15 Bill Nye - Earthquakes Worksheet Key Earthquakes occur when the big pieces of earth's crust, called plates, move a little. The spot where those three circles intersect is the epicenter (Figure 13.12). 0000008088 00000 n 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 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 mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media. Collect any giveaways for the students, such as earthquake posters or plate tectonic fliers. Earthquakes Living Lab: Finding Epicenters and Measuring Magnitudes ActivityWorksheet Example Answers 4 now big earthquakes are measured using the moment magnitude scale; both scales essentially rank the power (energy release) of the earthquake. 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. use slide 6 and answer key slide 7 how can i locate the earthquake epicenter michigan web the epicenter of the earthquake is somewhere on the edge of that circle do the An earthquake is the violent movement of tectonic plates in the Earth's crust. Also called seismometer. You can also download it, export it or print it out. 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. Millions of people witnessed the motion of the earthquake on television. Explain the difference between S and P waves, and how their time interval is used to determine the epicenter location. by. question 1 of 3. The wavelength and frequency of a wave are related to one another by the speed of travel of the wave, which depends on the type of wave and the medium through which it is passing. Thanks for your feedback! locate and label the epicenter of the earthquake on this map. What data is used to determine magnitude? epicenter, the longer the lag time measured Material is sheared side to side, perpendicular to the direction of wave propagation. Every year, earthquakes cause death and destruction worldwide. Students learn about the types of seismic waves produced by earthquakes and how they move through the Earth. The hypocenter is the point within the earth where an earthquake rupture starts. (Grades Notify the classroom teacher of technology needs (overhead projector). 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. 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. epicenter of an earthquake, how 0000002250 00000 n 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. Using this resource students find the arrival times of P-waves and S-waves using a seismogram. Earthquakes occur along faults, which are cracks in the Earths crust that build tension. MS-ESS3-2. earthquake - shaking and vibration of Earth's surface. The arrival of seismic waves will be recognized by an increase in amplitude look for a pattern change as lines get taller and more closely spaced (ex. The Richter scale was created in the 1930s to assign a single number to quantify the energy released during earthquakes. 3. Send activity 4 locating an earthquake epicenter worksheet answers via email, link, or fax. CH 02 HW - Chapter 2 physics homework for Mastering, Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1, Use a travel-time graph to convert lag time into distance. Question 5 of 22 4.55/ 4.55 Points Questions 5 through 11 are based on Lab Exercise #2: Locating the Epicenter of an Earthquake. 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! Use this information to complete the following. Another method of locating an earthquake is to use the P-wave arrival-time minus origin-time (P - O) interval instead of distance. different types of seismic waves. Finding the Epicenter. The American Geosciences Institute represents and serves the geoscience community by providing collaborative leadership and information to connect Earth, science, and people. Short for "secondary wave" or "shear wave." During an earthquake, seismic waves are sent all over the globe. Travel-time graphDistance in Miles, Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, seismogram. 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? Must engineers be content with mitigating disasters, instead of preventing them? Practicing this technique, the students work several problems on a map of the US. Contact the teacher to find out the length of the class period, as well as how many copies of handouts and sets of materials you need to bring. distance from transducer to the focal point. 1. By looking at the time between the arrivals of the P- and S-waves, one can determine the distance to the earthquake from that station, with longer time intervals indicating longer distance. As you may know, people have look numerous times for . : an American History (Eric Foner), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), How many minutes elapsed between the arrival of the first P wave and. 0000005081 00000 n The time 0000004769 00000 n Epicenter. Zip. 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. Of the four Earthquakes Living Lab seismic areas, choose the "Chile" box, as shown in Figure 3. How far do S waves travel in 5 S wave: The second seismic wave of an earthquake. Triangulation and Magnitude: Student pairs complete the worksheet, which includes following a tutorial/simulation accessed through the Earthquakes Living Lab. Today, most seismologists no longer follow Richter's original methodology because it does not give reliable results when applied to stronger earthquakes and it was not designed to use data from earthquakes recorded at epicentral distances greater than ~600 km. Encourage them to explore all of the Earthquakes Living Lab as they complete the worksheet. gov For online instructions and current fees click here. Ch Person/Attorney Filing: - Superior Court - Maricopa County - superiorcourt maricopa. The distance to the earthquake epicenter is then determined using the "Earthquake P-Wave and S-Wave Travel Time" graph. 61 33 Many updates and improvements! For this activity, select the "Chile" box. HS-PS4-1. It is called triangulation because a triangle has three sides, and it takes three seismographs to locate an earthquake. hbbd``b`$C`q9 X_$_g`bdxc`X long will it take, to the nearest 0. minutes, for the first P waves to travel from the epicenter to your station? 0000002840 00000 n Thanks for your feedback! First, determine the P-wave arrival, and read down to the bottom of the seismogram to note at what time (usually marked in seconds) that the P-wave arrived. 4. fault - a fracture in Earth's crust where the rocks on either side have moved. Review their answers to assess their base knowledge of the subject matter. Note the differences in Dochub is the best editor for changing your documents online. Then do the same for the S-wave. 100 km 4.1 km/s 24.4 s; Finding the epicenter (continued) data table analyze and conclude answer the following questions on a separate sheet of paper. pen recorded the arrival of P, S, and surface Thus, the Richter scale is used for measuring small earthquakes (3.5 M or less), while the moment magnitude scale is used for measuring stronger earthquakes (3.5 M or higher). Section 8.1 What Is an Earthquake? Accessed December 11, 2013. http://www.sciencecourseware.com/virtualearthquake/, USGS Earthquake Magnitude Policy (implemented on January 18, 2002). Locating the Epicenter of an Earthquake - SE Asia a foldable activity, slide presentation to guide reading, and an answer key! 0000001893 00000 n a project of D2L (www.achievementstandards.org). to the lag time measured at this location? Do you agree with this alignment? When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects. within type by subtype, then by grade, etc. Develop a solution to a technological problem that has the least negative environmental and social impact. Finding the epicenter of an Earthquake by Ah - Ha Lessons 5.0 (1) $3.00 PDF Activity This lesson teaches the student the process scientists use to locate the epicenter of an EQ. Show students some of the numerous online animations comparing the movements of P and S waves. 0000002507 00000 n BDF endstream endobj 74 0 obj <>stream 0000001396 00000 n Based on your answers to the previous question, what is the lag time for locations that are Virtual Earthquake (tutorial/simulation) 1996. Q(_?!6YV3B"\'9:4gTp*7^/P.X!skfkJ)1nG#a\{UD+iWM+ rQR]9SFTUPlM#"c:;tnsQPlu]Uyv?Ge}W;8cMA/x}'5clES~+}S+N7}wQ:/BkmI^" 5oqaBC[TRjq4.e}F:SQg{=u\xcg~EaZKReoC?oahJ` 'w endstream endobj 77 0 obj <>stream P and Swaves are body waves and travelthrough the interior of the earth. 0000001143 00000 n 0000004224 00000 n In a concluding class discussion, have groups share their ideas about engineering and one new thing they learned about earthquakes. 0000078169 00000 n Success is figuring out that the estimated magnitude is 5.9. Students learn what causes earthquakes, how we measure and locate them, and their effects and consequences. 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. Now on the main page of the Earthquakes Living Lab website (see Figure 2), note the featuring of four active seismic areas and the mapping of real-time and current data from earthquakes happening around the world. and S waves depends on the distance from the epicenter of the answer the following question. How can you locate an earthquake's epicenter? If you can't find an answer to your question, please contact us. This is determined by the P-and S-wave arrival times. This opens a new window to Michigan Techs UPSeis informational site about earthquakes and seismology. Use the graph to answer the questions that follow. What is the time lag for the Seattle, Washington, seismic station? waves from a distant earthquake. 0000007097 00000 n minutes = 6 minutes. P and S arrivals, you can now locate an earthquake your answers below. 12), Evaluate ways that technology can impact individuals, society, and the environment. To locate the epicenter of the earthquake, seismologists use the . from the epicenter will be 14 8. The period of a wave is the time between two adjacent wave peaks. cCV&0Lw1~c\4QA!{q: N3\`Lccgb,x/if`WH3(\'q)Da'@ | endstream endobj 92 0 obj <>/Filter/FlateDecode/Index[57 4]/Length 20/Size 61/Type/XRef/W[1 1 1]>>stream To make a magnitude determination, two measurements are needed: the S-P interval (already determined earlier in the tutorial) and the maximum amplitude of the seismic waves. As you read and complete the activity, take notes so you can complete the. The distance is in kilometers. U.S. Geological Survey, U.S. Department of the Interior. The three seismograms in this activity are unfi ltered station records from a single event that occurred on August 1, 1999. Section A - Operator Information 1. Nov 2, 2020 Triangulation is used to determine the location of an earthquake. Earthquakes and Seismic Waves Key Concepts . If a quake is near the seismograph, the S-waves arrive shortly after the P-waves. The spot where those three circles intersect is the epicenter (Figure 13.12). What did it feel like? %PDF-1.4 % Subject Areas: Where the 3 circles intersect is the approximate location to the epicenter of the earthquake. 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. epicenter: A point on the Earth's surface that is directly above the place where the underground forces of an earthquake originate. %%EOF Activity 4: Locating an Earthquake Epicenter Examining Seismograms The three basic types of seismic wave generated by an earthquake at its focus are Pwaves, Swaves, and Surface waves. Place a ruler (or straight edge) on the chart between the points you marked for the distance to the epicenter and the amplitude. A little under 30 seconds, maybe around 26 seconds. Next, have student groups answer the eight questions in the. 0000001862 00000 n How does the lag time change as you get farther and Using online resources and simulations available through the Earthquakes Living Lab, students explore the consequences of subsurface ground type and building height on seismic d Seismographs are measuring devices designed by engineers and used by researchers to determine the locations and magnitudes of earthquakes. 0000001408 00000 n Geology Labs On-Line, Department of Geological Sciences, California State University, Los Angeles, CA. Locating Earthquake Epicenter Lab Answer Key buysms de. Every earthquake is recorded on numerous seismographs located in different directions. Cross), Give Me Liberty! Add to Library. Student exploration Graphing Skills SE Key Gizmos Explore Learning. 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How does the period of the P waves compare to the period of the surface waves? (, Find the S-P interval for each seismogram and record answers in the S-P column of, Find the distance to the epicenter (in kilometers) from each recording station and record answers in Table 1. 12 Earthquake Location Lab Answer Key (PDF) - skislah.edu Web12-earthquake-location-lab-answer-key 1/1 Downloaded from skislah.edu.my on February 15, 2023 by guest 12 Earthquake Location Lab Answer Key Right here, we have countless ebook 12 Earthquake Location Lab Answer Key and collections to check out. The point beneath Earth's surface where rock breaks under stress and causes an earthquake. 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"? 500p;333aXb3 \a.1.

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