The vertical lines, spaced one As you read and complete the activity, take notes so you can complete the. Great exercise for Regents Earth Science. 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. different types of seismic waves. activity 4 locating an earthquake epicenter The Science of Earthquakes | U.S. Geological Survey An earthquake is what happens when two blocks of the earth suddenly slip past one . (Grades
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! A. Seismic waves-waves generated by an earthquake, can move the ground forward and back- answers the question. The Richter scale was created in the 1930s to assign a single number to quantify the energy released during earthquakes. Focus. 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. (Grades 6 - 8). Do you agree with this alignment? Copyright 2023. aqmd. 0000002383 00000 n
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The seismometers are shown as green dots. Therefore, the lag 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. 0
Encourage them to explore all of the Earthquakes Living Lab as they complete the worksheet. We additionally manage to pay for . 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"? Since the 1970s, the use of the Richter magnitude scale has largely been replaced in the scientific community by the moment magnitude scale (MMS). What is an earthquake? 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. 3. "`B(R6sj
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You will receive your score and answers at the end. 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. Tips: Make sure students are reading the S waves and not the P waves. Free K-12 standards-aligned STEM curriculum for educators everywhere. 1. The spot where those three circles intersect is the epicenter (Figure 13.12). 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. Explain the difference between S and P waves, and how their time interval is used to determine the epicenter location. The answer is the San Andreas Fault. 12), computer or other device with Internet access, journal or writing paper for each student. seismograph: An instrument that measures motions of the ground, including those of seismic waves generated by earthquakes. 0000003991 00000 n
Locating Epicenter Lab Worksheet (1).docx, Updating Patient Registration B at 08_10_2022 03_03 PM.pdf, You need to deploy an Azure environment that meets the company migration plan, Step 1 of 2 Program 1 A Simple Python Program Welcome with Two Messages Running, More women in academia report polarization assimilation in male skewed and male, A TACACS B RADIUS C Kerberos D SAML Correct Answer D QUESTION 321 A network, PTSD in Children and Adolescents - Copy - Copy - Copy - Copy.docx, Effects of Excitation and Prime Mover Control The excitation control helps to, D1 Fundamental security design principles.docx, Question 5 Correct Mark 100 out of 100 Remove flag Question 6 Correct Mark 100, Thomas Concurrence broadly attacked current NDD Federal gov should be allowed to, 769 Water at 15C is to be heated to 65C by passing it over a bundle of 4 m. Course Hero is not sponsored or endorsed by any college or university. 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. Richter scale Method of earthquake measurement based on the amplitude of seismic . Legal. 0000001893 00000 n
The USGS and its partners monitor and report earthquakes, assess earthquake impacts and hazards, and . If you can't find an answer to your question, please contact us. 0000004224 00000 n
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The epicenter of an earthquake can be found using the difference between the arrival of the Primary and Secondary waves. miles from the epicenter of an 0000005081 00000 n
Millions of people witnessed the motion of the earthquake on television. 0000004457 00000 n
The farther a station is from the (Figure 3):. Have students click on the Earthquakes Living Lab hyperlink in the top left in the earthquakes section. How can you locate an earthquake's epicenter? Subject Areas:
After reading about earthquakes, open a new window to an Earthquake Simulator at, Follow the simulation instructions. What about P waves? lag time. 01. (i. cCV&0Lw1~c\4QA!{q:
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This is determined by the P-and S-wave arrival times. Short for "secondary wave" or "shear wave." The, amount of time that passes between the Pwave arrival and the Swave arrival is. Make an overhead copy of each of the handouts. %PDF-1.5
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Engineers first determine where earthquakes are likely to occur, and how severe they are likely to be. Students learn about factors that engineers take into consideration when designing buildings for earthquake-prone regions. 0000001862 00000 n
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Use Figure 5 and the travel-time graph in Figure 4 to determine . Great-circle arcs are drawn on the globe using the distance of the earthquake to the station as a radius. 1. As you may know, people have look numerous times for . S wave: The second seismic wave of an earthquake. How does distance from the epicenter affect the magnitude (height) of the seismograph reading? E}g7$i(=K)"aj%v]vPcYloi@X3noGX{[XucOgkdF.>Ym^fwrQf;8_Nok3w\;?n_Hhc?>k\o[%DgwJ'3d.lTqDy_aJw! This opens a new window to Michigan Techs UPSeis informational site about earthquakes and seismology. https://people.wou.edu/~taylors/gs104/lab5key.pdf Locating Earthquake Epicenters | CK-12 Foundation Apr 8, 2020 . Use of the TeachEngineering digital library and this website constitutes acceptance of our Terms of Use and Privacy Policy. technology, engineering or math (STEM) educational standards. For upper grades, have students work individually, do two of the three seismic area tutorials, and look up historical earthquakes to learn their magnitudes, and make data tables or graphs with this information. earthquake though). When an earthquake strikes, P waves arrive at a seismograph rst and S waves next. minutes? 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. If you complete all the problems, you should be able to: Identify P, S, and surface waves on a simple seismogram. Next, have student groups answer the eight questions in the. The distance to the earthquake epicenter is then determined using the "Earthquake P-Wave and S-Wave Travel Time" graph. If a quake is far from the seismograph, the P-waves arrive long before the S-waves. To complete the activity, some prior . 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 . determine the epicenter using the S P (S minus P) method.
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Fill Locating The Epicenter Of An Earthquake Worksheet Answers, Edit online. 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. Based on your answers to the previous question, what is the lag time for locations that are Finding the Epicenter Determine the epicenter distance from three different seismographs. Students learn about the types of seismic waves produced by earthquakes and how they move through the Earth. PDF. Place a ruler (or straight edge) on the chart between the points you marked for the distance to the epicenter and the amplitude. 0000079769 00000 n
Make arrangements so that each student group has a computer with Internet access. Figure 2. An earthquake is the violent movement of tectonic plates in the Earth's crust. Students also investigate which structural designs are most likely to survive an earthquake. 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. If you draw a circle on a map around three different seismographs where the radius of each is the distance from that station to the earthquake, the intersection of those three circles is the epicenter. Mark the first arrival of the swave on each seismogram. How does the period of the P waves compare to the period of the surface waves? Accessed December 11, 2013. http://www.sciencecourseware.com/virtualearthquake/, USGS Earthquake Magnitude Policy (implemented on January 18, 2002). distance = travel time for S waves For example, Even though the scale formulae are different, MMS retains the familiar continuum of magnitude values defined by the older scale. 0000002094 00000 n
3. epicenter - the point on Earth's surface directly above the focus, or origin, of an earthquake. 74 Earthquake Activity: Locating the Epicenter and Time of Earthquake . Do you think we will someday be able to prevent earthquakes? To do this, have the students use, Find the epicenter of the earthquake on the map (. 0000007783 00000 n
How does the Mad Scientist. S waves. 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! HTAn While no one can predict earthquakes, knowing the intensities, frequencies and locations of past earthquakes and fault planes helps us to better anticipate the locations and forces to expect, so we can do our best to prepare our communities and infrastructure to withstand them safely. Scientists use triangulation to find the epicenter of an earthquake. 0000001777 00000 n
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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. 4. Activity: Locating an Earthquake Epicenter Lecture 3 Damage from the earthquake was widespread, but the actual location of the earthquake (the epicenter) 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. Zip. Seismic Waves. epicenter: A point on the Earth's surface that is directly above the place where the underground forces of an earthquake originate. If less precision is desired, precede M with a tilde, such as "M ~7" or "magnitude ~6.8.". 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. Then from the same recordings they determine the earthquake's magnitude, an estimate of the amount of energy released during the earthquake. The epicenter is the point directly above it at the surface of the Earth. In this 1-to-10 logarithmic scale, each succeeding level representing 10 times as much energy as the last. If the lag time were measured at a location closer to the epicenter, how would it compare *The NGSS logo is a registered trademark of WestEd. Shear wave from earthquake, moving slower than primary waves, through solid material only. See Answer. Subjects: Conclude the activity with a class discussion (and perhaps homework questions) to share ideas and answers, as described in the Assessment section. Moment magnitude scale. The time In the ASN, standards are hierarchically structured: first by source; e.g., by state; within source by type; e.g., science or mathematics;
Analyze and interpret data on natural hazards to forecast future catastrophic events and inform the development of technologies to mitigate their effects. 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. Please answer the following questions using the earthquake video shake, shake, shake. 0000001604 00000 n
This worksheet focuses on using the p and s graph to find different variables. How might they use this information? The three seismograms in this activity are unfi ltered station records from a single event that occurred on August 1, 1999. Wikipedia, The Free Encyclopedia. Thanks for your feedback! Nov 2, 2020 Triangulation is used to determine the location of an earthquake. Using 3 seismograms the students will be able to triangulate the epicenter of an earthquake. Three seismographs are needed. n{6c&6NK*U;=9i%nF endstream
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Use this information to complete the following. This section explains what earthquakes and faults are and what causes earthquakes. 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? The USGS now uses the MMS to estimate magnitudes for all modern large earthquakes. 0000009174 00000 n
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Multiply the difference by 8.4 to estimate the distance, in kilometers, from the seismograph station to the epicenter. Activity4:LocatinganEarthquakeEpicenter Objectives:Ifyoucompletealltheproblems,youshouldbeableto: Identif 0000005149 00000 n
Yw8SxGk}X3kfTfW& gk`41#'uf7"G\fsN4^8jC7[+%`qFLFKpFc The distance is in kilometers. Step 1: ans- d) 65 seconds Ste . located 1,000 miles from the To accurately locate an earthquake epicenter, records from three. What is the 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. Section 8.1 What Is an Earthquake? Earthquakes & Volcanoes Test Review Answers. How far do S waves travel in 5 0000001675 00000 n
Travel-time graphDistance in Miles, Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, seismogram. 0000053998 00000 n
Point on Earth's surface directly above an earthquake's focus. The point beneath Earth's surface where rock breaks under stress and causes an earthquake. Earthquakes occur along faults, which are cracks in the Earths crust that build tension. Choose an answer and hit 'next'. hWmo9+[+UH EkNB|6YiaVJ=cRh7{T1R,5LI1$K=s)XR&87@&$LTPLutlcyNuzjf--\?qaXZM&HM.Eg"HnTqSWqN0&~2kf0
Md|d&:zhe)7I? Considered best for measuring small earthquakes (3.5 M or less). Send activity 4 locating an earthquake epicenter worksheet answers via email, link, or fax. As discussed earlier in this lesson, this method of determining the epicenter of an . Use mathematical representations of phenomena or design solutions to describe and/or support claims and/or explanations. 2. Record your answer from Lab Exercise #2, Step 1. activity illustrates how the epicenter of an earthquake is found. 0000098546 00000 n
Identify P, S, and surface waves on seismograms, Measure amplitude and lag time on seismograms, Use triangulation to accurately locate the epicenter of an earthquake, Accurately report the latitude and longitude of the epicenter, Sea Floor Lab Help with Problem 2 - Tagged, Metamorphic Rocks Lab Instructions - Tagged, Lab exam 2 - Study guide for the second exam regarding all the labs and material covered, Redaccion de textos II Marco n membrete es aquello que se ubica en el sector superior de una pgina, mencionando el ttulo o el nombre de un individuo, una empresa, etc. HTn0"H@w=s(vxk8OM1px-{$_!o5|CS7RPr#V(0CUa%ZkuT9t};D
Jj=.9,z!#@n5YCu>R88tfFRX=iRK at that station. earthquake lab lab: locating the epicenters of earthquakes objective measurable learning outcomes use data from seismograms to locate the epicenters of Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew My Library Discovery Institutions Western Governors University Southern New Hampshire University 0000000856 00000 n
Describe the logarithmic nature of the earthquake magnitude scale. The living lab presents earthquake information through a focus on four active seismic areas and historic earthquakes in those areas. Show students some of the numerous online animations comparing the movements of P and S 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. Describe the process of triangulation to locate an epicenter. 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. surface wave? 13. 0000001533 00000 n
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). 0000006011 00000 n
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Geologists use seismic waves to locate an earthquake's epicenter. Type text, add images, blackout confidential details, add comments, highlights and more. How are S and P waves used to determine how far away epicenters are? Epicenter. If a quake is near the seismograph, the S-waves arrive shortly after the P-waves. 92 0 obj
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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. PS: We do not share personal information or emails with anyone. 0000004511 00000 n
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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. Seismograms (Figure 3):. 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. [*aiLG?+J\QI86~}ooRrr!pm}dk@dBbZPMZlC4C\9^
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[N'. If a quake is near the seismograph, the S-waves arrive shortly after the P-waves. HTn0MmcHCB In a concluding class discussion, have groups share their ideas about engineering and one new thing they learned about earthquakes. 0000001143 00000 n
Sign, fax and printable from PC, iPad, tablet or mobile with pdfFiller Note-taking Worksheet. (Grades
minutes and P waves 8 minutes to 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). Last modified July 18, 2012. Every earthquake is recorded on numerous seismographs located in different directions. trailer
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(Source: USGS). Reading Strategy. X!.43p2t!}SLx-3z.KN4X+H\+vk? Resources. 12), Evaluate ways that technology can impact individuals, society, and the environment. Earthquakes and Seismic Waves Key Concepts . 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. Note the differences in Book: Laboratory Manual for Introductory Geology (Deline, Harris & Tefend), { "13.01:_Introduction" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.
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activity 4 locating an earthquake epicenter answer key