activity 4 locating an earthquake epicenter answer key

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. HtA1D41`s(GME$Ke*YdEOYf2-:r. Once three seismographs have been located, find the time interval between the arrival of the P-wave . from the epicenter will be 14 8. To accurately locate an earthquake epicenter, records from three. The epicenter of an earthquake can be found using the difference between the arrival of the Primary and Secondary waves. Dochub is the best editor for changing your documents online. In Figure 13.9, there is an example seismogram from a station that includes a minor earthquake. What is the time lag for the Seattle, Washington, seismic station? Locating An Earthquake Epicenter Lab Answers Thank you for reading Locating An Earthquake Epicenter Lab Answers . 12 Earthquake Location Lab Answer Key (PDF) - skislah.edu Web12-earthquake-location-lab-answer-key 1/1 Downloaded from skislah.edu.my on February 15, 2023 by guest 12 Earthquake Location Lab Answer Key Right here, we have countless ebook 12 Earthquake Location Lab Answer Key and collections to check out. If you can't find an answer to your question, please contact us. The American Geosciences Institute represents and serves the geoscience community by providing collaborative leadership and information to connect Earth, science, and people. Use Figure 5 and the travel-time graph in Figure 4 to determine . 0000003254 00000 n Figure 2 is a seismic wave travel-time Use mathematical representations of phenomena or design solutions to describe and/or support claims and/or explanations. 0000006011 00000 n E}g7$i(=K)"aj%v]vPcYloi@X3noGX{[XucOgkdF.>Ym^fwrQf;8_Nok3w\;?n_Hhc?>k\o[%DgwJ'3d.lTqDy_aJw! Figure 8. Activity 4: Locating an Earthquake Epicenter, The three basic types of seismic wave generated by an earthquake at its focus are P, waves, Swaves, and Surface waves. 74 Earthquake Activity: Locating the Epicenter and Time of Earthquake . trailer <<320C1F98F8FF4795B5CCB8D9E9A0B99B>]/Prev 812054/XRefStm 1396>> startxref 0 %%EOF 93 0 obj <>stream PDF. 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. Three seismographs are needed. surface wave? 2. 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. Expert Answer. 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(Grades 6 - 8). Subjects: (, 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. !5(~q* HTAn The real-world earthquake data is viewable via a graphical interface using a scaling map. DocHub v5.1.1 Released! A. Seismic waves-waves generated by an earthquake, can move the ground forward and back- answers the question. One seismogram indicates the distance to the epicenter. 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. minutes = 6 minutes. The farther a station is from the Activity 4 Locating An Earthquake Epicenter Answers: Fill Out & Sign . It takes S waves 14. Using the real-world data in the living lab enables students and teachers to practice analyzing data to solve problems and answer questions, in much the same way that scientists and engineers do every day. Ask students what fault they think caused this earthquake. This is determined by the P-and S-wave arrival times. They make a model of a seismographa measuring device that records an earthquake on a seismogram. Explain the difference between S and P waves, and how their time interval is used to determine the epicenter location. As discussed earlier in this lesson, this method of determining the epicenter of an . After this activity, students should be able to: Each TeachEngineering lesson or activity is correlated to one or more K-12 science, If the lag time were measured at a location closer to the epicenter, The period of a wave is the time between two adj, How does the period of the P waves compare to t. Use data from seismograms to locate the epicenters of earthquakes. 0000007097 00000 n As the drum rotated, the 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. Finding the epicenter worksheet answer key. If the lag time were measured at a location closer to the epicenter, how would it compare at that station. Where the 3 circles intersect is the approximate location to the epicenter of the earthquake. 5. focus - the point within Earth where an earthquake originates. Once three seismographs have been located, find the time interval between the arrival of the P-wave and the arrival of the S-wave. S-P interval: The time interval between the arrivals of P and S waves. 0000002507 00000 n Answer the following questions in the spaces provided. endstream endobj 84 0 obj <> endobj 85 0 obj <> endobj 86 0 obj <>stream Using historical seismographs, engineers forecast the strength or magnitude of earthquakes and make predictions and determine building codes and safety protocols. 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. Locating Earthquake Epicenter Lab Answer Key buysms de. Though they may weaken with distance, seismographs are sensitive enough to still detect these waves. 12), Analyze and interpret data about natural hazards using direct and indirect evidence Note the differences in !D,X2:azTG)kPT~Mj 4>d w@O'. Thanks for your feedback! First locate and mark the three seismic stations on the world map provided below. You will receive your score and answers at the end. 15 Bill Nye - Earthquakes Worksheet Key Earthquakes occur when the big pieces of earth's crust, called plates, move a little. Last updated November 26, 2013. 0 Resources. ya{I;W@DgMN2:UtbT=*+cY1.8Vm(u3Zt"J @9TAjJH@H_F3n7\Srdw~gAR#JQGj`ueS! 0000055643 00000 n Analyze and interpret data on natural hazards to forecast future catastrophic events and inform the development of technologies to mitigate their effects. Alignment agreement: 0000004224 00000 n 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. trailer <<0444DE89825047A1A483C62E98F50868>]>> startxref 0 %%EOF 114 0 obj <>stream Specifically, seismographs make recordings (seismograms) of the seismic waves generated from earthquakes, providing engineers and other researchers with data that they use to make predictions about future earthquakes. Quick Tips. 12), computer or other device with Internet access, journal or writing paper for each student. Apr 8, 2020 One seismogram indicates the distance to the epicenter. 0000079769 00000 n approximate period of the surface waves in seconds? earthquake though). 1,000 miles from the epicenter of an earthquake? Geology Labs On-Line, Department of Geological Sciences, California State University, Los Angeles, CA. inch = 500 km. seismograph: An instrument that measures motions of the ground, including those of seismic waves generated by earthquakes. HTn0MmcHCB n{6c&6NK*U;=9i%nF 0000006984 00000 n 0000001893 00000 n 9 - 4. fault - a fracture in Earth's crust where the rocks on either side have moved. After reading about earthquakes, open a new window to an Earthquake Simulator at, Follow the simulation instructions. The seismometers are shown as green dots. (Source: USGS, Wikipedia). Answer Key: Lab 5 Earthquakes - Find People EARTHQUAKES: Epicenter Determination and Seismic Waves . Fill Locating The Epicenter Of An Earthquake Worksheet Answers, Edit online. Accessed December 11, 2013. http://earthquake.usgs.gov/aboutus/docs/020204mag_policy.php. 1) Identify the general term for waves released from an earthquake. within type by subtype, then by grade, etc. 0000002009 00000 n Three seismographs are needed. Epicenter is the location on the surface of the Earth directly above where the earthquake starts. waves from a distant earthquake. 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. THREE SEISMOGRAMS Seismogram A - New York, NY 1 minute 1. In this activity, the epicenter of the earthquake is in the center of Los Angeles, CA. In a concluding class discussion, have groups share their ideas about engineering and one new thing they learned about earthquakes. During an earthquake, seismic waves are sent all over the globe. Moment magnitude scale. 0000053998 00000 n Students also investigate which structural designs are most likely to survive an earthquake. See Answer. The moment magnitude scale (MMS) was developed in the 1970s as a modification of the Richter scale and is better for measuring big earthquakes but less good for small ones. Upload a document. 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 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. hb```f``Rl@ (l"`+uk?0.a~@6Vm;| G3f`75@v@Wz|A4#w9{(` ) One seismogram indicates the distance to the epicenter. Legal. Accessed December 11, 2013. http://www.sciencecourseware.com/virtualearthquake/, USGS Earthquake Magnitude Policy (implemented on January 18, 2002).

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