Thanks for your feedback! Point on Earth's surface directly above an earthquake's focus. 0000004060 00000 n long will it take, to the nearest 0. minutes, for the first P waves to travel from the epicenter to your station? There are two sets of data and maps to do this activity/ lab for than once. PS: We do not share personal information or emails with anyone. Do you think we will someday be able to prevent earthquakes? Activity4:LocatinganEarthquakeEpicenter Objectives:Ifyoucompletealltheproblems,youshouldbeableto: Identif 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?" 4. In this activity, the epicenter of the earthquake is in the center of Los Angeles, CA. epicenter: A point on the Earth's surface that is directly above the place where the underground forces of an earthquake originate. 0000002544 00000 n DocHub v5.1.1 Released! 0000010002 00000 n to the lag time measured at this location? E}g7$i(=K)"aj%v]vPcYloi@X3noGX{[XucOgkdF.>Ym^fwrQf;8_Nok3w\;?n_Hhc?>k\o[%DgwJ'3d.lTqDy_aJw! 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! Earthquakes and Volcanoes. 0000002507 00000 n Copyright 2023. Subjects: Earth Sciences, General Science Grades: 5th - 8th Types: Activities, Laboratory at that station. earthquake though). 4. fault - a fracture in Earth's crust where the rocks on either side have moved. Upload a document. 2. Swaves arrive at the seismic station after the Pwaves. 12), computer or other device with Internet access, journal or writing paper for each student. Tips: Make sure students are reading the S waves and not the P waves. Figure 2 is a seismic wave travel-time Use this information to complete the following. to the lag time measured at this location? BDF endstream endobj 74 0 obj <>stream 61 0 obj <> endobj xref The answer is the San Andreas Fault. consider a seismograph stationed 3, 0000002840 00000 n Record your answer from Lab Exercise #2, Step 1. Add to FlexBook Textbook. and S waves to travel any distance up to important in helping seismologists determine the epicenter of the earthquake. triangulation: A method to determine exactly where an earthquake originates. Divide the class into student pairs, and have them assemble at their computers with journals/paper and writing instruments. 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. 6. 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. technology, engineering or math (STEM) educational standards. Another method of locating an earthquake is to use the P-wave arrival-time minus origin-time (P - O) interval instead of distance. 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). Geologists use seismic waves to locate an earthquake's epicenter. hbbd``b`$C`q9 X_$_g`bdxc`X In Figure 13.9, there is an example seismogram from a station that includes a minor earthquake. Copyright USGS http://earthquake.usgs.gov/learn/kids/eqscience.php. The distance is in kilometers. xb``d``Id`a`Ab@_ :iWGi>|q` locate and label the epicenter of the earthquake on this map. All 100,000+ K-12 STEM standards covered in TeachEngineering are collected, maintained and packaged by the Achievement Standards Network (ASN), =Cv :~4yrXP 62{_,*Uq/O-oUNBr-$y~:G},#3e^CS6U*_zVGY7ZNUWk2f?? {%!,"{u5E&OOqA_"/uxn-kx+Vz*EQb)Q Short for "primary wave" or "pressure wave." 0000098546 00000 n 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. activity illustrates how the epicenter of an earthquake is found. Describe the logarithmic nature of the earthquake magnitude scale. What are those limits? 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. 0000002009 00000 n Three seismographs are needed. Scientists use triangulation to find the epicenter of an earthquake. Resources. Ask students what fault they think caused this earthquake. Shear wave from earthquake, moving slower than primary waves, through solid material only. The longer the time between the arrival of the P-wave and S-wave, the farther away is the epicenter. In the ASN, standards are hierarchically structured: first by source; e.g., by state; within source by type; e.g., science or mathematics; 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. What is an earthquake? How many minutes elapsed between the arrival of the first P wave and the last measurable Use this information to complete the following. 0000001736 00000 n Students learn how engineers build shake tables that simulate the ground motions of the Earth caused by seismic waves in order to test the seismic performance of buildings. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. 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. 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. A. Seismic waves-waves generated by an earthquake, can move the ground forward and back- answers the question. 0 EARTHQUAKES: Epicenter Determination and Seismic Waves First locate and mark the three seismic stations on the world map provided below. 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 0000002094 00000 n What was the lag time (in minutes) at this location? !5(~q* The real-world earthquake data is viewable via a graphical interface using a scaling map. 13 4 locating an earthquake epicenter geosciences libretexts . Figure 13.10). located 1,000 miles from the 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. 9 - 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. This section explains what earthquakes and faults are and what causes earthquakes. A.45 seconds B.50 seconds C.55 seconds D.65 seconds Answer Key: D Even though the scale formulae are different, MMS retains the familiar continuum of magnitude values defined by the older scale. Every year, earthquakes cause death and destruction worldwide. Fill Locating The Epicenter Of An Earthquake Worksheet Answers, Edit online. The farther away the epicenter is, the greater the difference . $8.25. 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 74 Earthquake Activity: Locating the Epicenter and Time of Earthquake . Section 8.1 What Is an Earthquake? Also commonly termed the focus. All rights reserved. MS-ESS3-2. 0000008088 00000 n Must engineers be content with mitigating disasters, instead of preventing them? Figure 1 is a simplified example of a Activity 4 Locating An Earthquake Epicenter Answers: Fill Out & Sign . Draw your signature, type it, upload its image, or use your mobile device as a signature pad. The hypocenter is the point within the earth where an earthquake rupture starts. How does distance from the epicenter affect the S-P time interval? (Source: USGS). When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects. (Source: USGS, Wikipedia). (from left to right). X!.43p2t!}SLx-3z.KN4X+H\+vk? Where the 3 circles intersect is the approximate location to the epicenter of the earthquake. Short for "secondary wave" or "shear wave." The process is called triangulation. For purposes of this activity, the least complicated and probably most accurate approach is to just use the term "magnitude," without needing to say "on the Richter scale" or "on the moment magnitude scale." 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) . 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. 0000001533 00000 n https://people.wou.edu/~taylors/gs104/lab5key.pdf Locating Earthquake Epicenters | CK-12 Foundation Apr 8, 2020 . 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. What types of engineers might use this data the most? To abbreviate, use the symbol M (a capital M, plain text, no sub/superscripts) expressed to the nearest 0.1. minute apart, represent the passage of time However, please review it for the specific setting, materials, students, and conventional safety precautions. travel 3,000 miles. 9 - 0000030968 00000 n American Geosciences Institute. Please answer the following questions using the earthquake video shake, shake, shake. How do we determine the epicenter of an earthquake? 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. 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. Success is figuring out that the epicenter is just off the coast of Chile, where the three circles intersect. (Grades 6 - 8). 0000001143 00000 n 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. 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. /g$=#!$EbBbhD!,x so^6Uc})\uJs=fyY}j'|YjTm8B_[}*Ovm\[J'.mu?lQg,wzJM^X&P w>-T%*h%J4 yB@VPmP]@D------------,2dfY$"A!ANAASi)4$dniiiinH% Gxt5DJ) )9RRr$II'y ??O's^3@[{*{VT?nsNS!ilq]mFO?? 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. Continue the discussion with the following questions (or assign these questions as homework): Have student groups explore one or more of the other two regions (Southern California and Japan) provided in the Virtual Earthquake simulation. Considered best for measuring small earthquakes (3.5 M or less). inch = 500 km. 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. It is slower than the same earthquake's P wave and cannot travel through liquids. Read through the sections What Is Seismology and What Are Seismic Waves?, Where Do Earthquakes Happen?, and Why Do Earthquakes Happen? to answer the following questions: What is the difference between S and P waves? Thus technology use varies from region to region and over time. El trmino tambin puede hacer referencia al ttulo o nombre de alguien a quien se diri, Online Education Strategies (UNIV 1001 - AY2021-T), Advanced Care of the Adult/Older Adult (N566), Advanced Design Studio in Lighting (THET659), Introduction to Health Information Technology (HIM200), Biological Principles II and Lab (BIOL 107/L), PHIL ethics and social responsibility (PHIL 1404), Foundational Concepts & Applications (NR-500), Introduction To Project Management Software (CSBU539), Professional Application in Service Learning I (LDR-461), Advanced Anatomy & Physiology for Health Professions (NUR 4904), Principles Of Environmental Science (ENV 100), Operating Systems 2 (proctored course) (CS 3307), Comparative Programming Languages (CS 4402), Business Core Capstone: An Integrated Application (D083), BSC 2085-Study Guide - Dr. Alfonso Pino - Online course, Lecture notes, lecture all lectures - lecture notes from professor alan klein, Full Graded Quiz Unit 3 - Selection of my best coursework, EES 150 Lesson 2 Our Restless Planet Structure, Energy, & Change, General Chemistry I - Chapter 1 and 2 Notes, 1-2 Short Answer- Cultural Objects and Their Culture, Historia de la literatura (linea del tiempo), ACCT 2301 Chapter 1 SB - Homework assignment. moment magnitude scale: Similar to the Richter scale, but replacing its use starting in the 1970s for more accuracy in measuring big earthquakes (magnitudes > 3.5) from greater distances. The epicenter is the point directly above it at the surface of the Earth. If a quake is near the seismograph, the S-waves arrive shortly after the P-waves. Hand out the worksheets to the groups and direct them to read through the instructions. 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. 0000008845 00000 n 0000006011 00000 n Explain the difference between S and P waves, and how their time interval is used to determine the epicenter location. (i. 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). Accessed December 11, 2013. http://earthquake.usgs.gov/aboutus/docs/020204mag_policy.php. 1) Identify the general term for waves released from an earthquake. Seismograms Empirical evidence is required to differentiate between cause and correlation and make claims about specific causes and effects. It is called triangulation because a triangle has three sides, and it takes three seismographs to locate an earthquake. 0000001408 00000 n 0000004769 00000 n 0000003991 00000 n and S waves depends on the distance from the epicenter of the answer the following question. 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 approximate period of the surface waves in seconds? Zip. The instrument detects and documents the intensity, direction and duration of ground vibrations, which are used to determine the epicenters and strength/magnitudes of earthquakes or other seismic events. 15 Bill Nye - Earthquakes Worksheet Key Earthquakes occur when the big pieces of earth's crust, called plates, move a little. HTn0"H@w=s(vxk8OM1px-{$_!o5|CS7RPr#V(0CUa%ZkuT9t};D Jj=.9,z!#@n5YCu>R88tfFRX=iRK Cross), Give Me Liberty! An earthquake is the violent movement of tectonic plates in the Earth's crust. Earthquakes & Volcanoes Test Review Answers. Note the differences in S wave: The second seismic wave of an earthquake. Thanks for your feedback! As you read and complete the activity, take notes so you can complete the. After reading about earthquakes, open a new window to an Earthquake Simulator at, Follow the simulation instructions. This worksheet focuses on using the p and s graph to find different variables. 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. 2. You will analyze the records and locate the earthquake using a method known 0000007097 00000 n 0000006984 00000 n from the epicenter will be 14 8. The vertical lines, spaced one, minute apart, represent the passage of time, (from left to right). : 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. 0000053998 00000 n 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. (Grades 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 Subject Areas: 0000002658 00000 n 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. 0000004511 00000 n 0000006538 00000 n Student exploration Graphing Skills SE Key Gizmos Explore Learning. What did it feel like? Triangulation to Locate an Earthquake By Earthquake Hazards Original Thumbnail Medium Detailed Description Triangulation can be used to locate an earthquake. 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. 0000001604 00000 n A little under 30 seconds, maybe around 26 seconds. Of the four Earthquakes Living Lab seismic areas, choose the "Chile" box, as shown in Figure 3. hb```b````e``n`d@ A 'EF''oquE"ky#:}m;9JmkPt~=unFHy&|X:70 vILZ*|%6mD! Video Guide / Worksheets and Quizzes for Quizzes and Answer Sheet __ 2.
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