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

at that station. Students learn what causes earthquakes, how we measure and locate them, and their effects and consequences. Next, have student groups answer the eight questions in the. Lab Exercise #2: Locating the Epicenter of an Earthquake In this lab exercise, you will locate the epicenter of an earthquake. How many minutes elapsed between the arrival of the first P wave and the last measurable 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. Many updates and improvements! triangulation: A method to determine exactly where an earthquake originates. One seismogram indicates the distance to the epicenter. So the difference in the P- and S-wave arrival times determines the distance between the epicenter and a seismometer. Seismograms 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. Great-circle arcs are drawn on the globe using the distance of the earthquake to the station as a radius. technology, engineering or math (STEM) educational standards. S-P interval: The time interval between the arrivals of P and S waves. You can also download it, export it or print it out. What is an earthquake? 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. This worksheet focuses on using the p and s graph to find different variables. In a concluding class discussion, have groups share their ideas about engineering and one new thing they learned about earthquakes. 61 33 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. Then from the same recordings they determine the earthquake's magnitude, an estimate of the amount of energy released during the earthquake. 12), Evaluate ways that technology can impact individuals, society, and the environment. 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. 0000006011 00000 n Dochub is the best editor for changing your documents online. Earthquakes Living Lab: Finding Epicenters & Measuring Magnitudes. In this 1-to-10 logarithmic scale, each succeeding level representing 10 times as much energy as the last. S wave: The second seismic wave of an earthquake. 74 Earthquake Activity: Locating the Epicenter and Time of Earthquake . m>r/Q[6 Even though the scale formulae are different, MMS retains the familiar continuum of magnitude values defined by the older scale. Was there an initial quake followed by smaller quakes? 3. epicenter - the point on Earth's surface directly above the focus, or origin, of an earthquake. Focus. Accessed December 11, 2013. http://earthquake.usgs.gov/aboutus/docs/020204mag_policy.php. Using historical seismographs, engineers forecast the strength or magnitude of earthquakes and make predictions and determine building codes and safety protocols. View Notes - Locating_an_epicenter_activity from SCIENCE Earth Scie at Toms River High North. Earthquakes and Seismic Waves Key Concepts . Use this information to complete the following. 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. surface wave? 0000103591 00000 n 0000004769 00000 n 01. 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. $8.25. Earthquakes and Volcanoes. 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 Locating Earthquake Epicenter Lab Answer Key buysms de. (Figure 3):. Step 1: ans- d) 65 seconds Ste . 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. 9 - Seismic Waves. hb```b````e``n`d@ A 'EF''oquE"ky#:}m;9JmkPt~=unFHy&|X:70 vILZ*|%6mD! In the ASN, standards are hierarchically structured: first by source; e.g., by state; within source by type; e.g., science or mathematics; 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. Success is figuring out that the epicenter is just off the coast of Chile, where the three circles intersect. Thanks for your feedback! Do you think we will someday be able to prevent earthquakes? 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When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects. 87 0 obj <> endobj xref 87 28 0000000016 00000 n What about P waves? Collect any giveaways for the students, such as earthquake posters or plate tectonic fliers. 2. Great exercise for Regents Earth Science. earthquake though). Short for "secondary wave" or "shear wave." The time 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. from the epicenter will be 14 8. seismograph: An instrument that measures motions of the ground, including those of seismic waves generated by earthquakes. located 1,000 miles from the 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. 0000005149 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. Once three seismographs have been located, find the time interval between the arrival of the P-wave and the arrival of the S-wave. 17 Station St., Ste 3 Brookline, MA 02445. How do we determine the epicenter of an earthquake? Three seismographs are needed. Hand out the worksheets to the groups and direct them to read through the instructions. One seismogram indicates the distance to the epicenter. 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. 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. minute apart, represent the passage of time Add to FlexBook Textbook. 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As the drum rotated, the The magnitude is the logarithm of the amplitude of the ground wave. Once three seismographs have been located, find the time interval between the arrival of the P-wave . 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. These natural disasters may be mitigated, however, by insightful and creative engineering. 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? 0000001746 00000 n Describe the process of triangulation to locate an epicenter. Make an overhead copy of each of the handouts. Resources. P and Swaves are body waves and travelthrough the interior of the earth. This section explains what earthquakes and faults are and what causes earthquakes. Finding the Epicenter Determine the epicenter distance from three different seismographs. %PDF-1.3 % What data is used to determine magnitude? 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. 0000030504 00000 n Develop a solution to a technological problem that has the least negative environmental and social impact. Last updated November 26, 2013. 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. https://people.wou.edu/~taylors/gs104/lab5key.pdf Locating Earthquake Epicenters | CK-12 Foundation Apr 8, 2020 . approximate period of the surface waves in seconds? to the lag time measured at this location? 1,000 miles from the epicenter of an earthquake? 0000004457 00000 n Student exploration Graphing Skills SE Key Gizmos Explore Learning. 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Graphs, charts, and images can be used to identify patterns in data. 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. 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. Notify the classroom teacher of technology needs (overhead projector). earthquakes. Do you agree with this alignment? Explain the difference between S and P waves, and how their time interval is used to determine the epicenter location. Subject Areas: 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"? determine the epicenter using the S P (S minus P) method. 0000007783 00000 n Answer Key: Lab 5 Earthquakes - Find People EARTHQUAKES: Epicenter Determination and Seismic Waves . The magnitude determination is based on seismic data. 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. 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. Use the graph to answer the questions that follow. 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. Thus technology use varies from region to region and over time. 0000002383 00000 n 0000002840 00000 n 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). 0 500 1000 1500 2000 2500 3000 The vertical lines, spaced one, minute apart, represent the passage of time, (from left to right). First locate and mark the three seismic stations on the world map provided below. 9 - Activity4:LocatinganEarthquakeEpicenter Objectives:Ifyoucompletealltheproblems,youshouldbeableto: Identif 0000002658 00000 n Locating an Epicenter through Triangulation of Seismic Data- Remote/Hybrid/Live. 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. The seismometers are shown as green dots. 0000005081 00000 n In Figure 13.9, there is an example seismogram from a station that includes a minor earthquake. 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All 100,000+ K-12 STEM standards covered in TeachEngineering are collected, maintained and packaged by the Achievement Standards Network (ASN), a project of D2L (www.achievementstandards.org). Figure 1 is a simplified example of a Reading Strategy. epicenter: A point on the Earth's surface that is directly above the place where the underground forces of an earthquake originate. seismogram. Tips: Make sure students are reading the S waves and not the P waves. consider a seismograph stationed 3, DocHub v5.1.1 Released! travel 3,000 miles. 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. 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. It travels faster than the same earthquake's S wave (almost double the speed) and is similar to sound waves. They use three seismographs in a process called triangulation to determine earthquake epicenters. They make a model of a seismographa measuring device that records an earthquake on a seismogram. We additionally manage to pay for . 0000106240 00000 n To abbreviate, use the symbol M (a capital M, plain text, no sub/superscripts) expressed to the nearest 0.1. Wikipedia, The Free Encyclopedia. Free K-12 standards-aligned STEM curriculum for educators everywhere. The point where your ruler crosses the middle line on the chart marks the magnitude (strength) of the earthquake. Students first triangulate the location of an earthquake's epicenter, then calculate its magnitude. Success is figuring out that the estimated magnitude is 5.9. [k0 |`2dGXGGGd00A(60P-e = F5n -f$ C 0000007097 00000 n The real-world earthquake data is viewable via a graphical interface using a scaling map. 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! You will receive your score and answers at the end. !5(~q* 0000078100 00000 n 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. 0000030968 00000 n Upload a document. For lower grades, just introduce the concepts of triangulation and the magnitude scale; a thorough understanding of P and S waves is not vital. What is the Key Facts & Information. HTAn Facility Name Busine Child ren Information Child Name C. Child Social Security Number Type of Case being filed - Check only one category. Divide the class into student pairs, and have them assemble at their computers with journals/paper and writing instruments. The American Geosciences Institute represents and serves the geoscience community by providing collaborative leadership and information to connect Earth, science, and people. 0000003991 00000 n The western U.S. has more faults than the eastern U.S., and therefore the western U.S. has more earthquakes. This is determined by the P-and S-wave arrival times. between arrival of P and S waves is called 1. P wave: The first seismic wave of an earthquake. Have students click on the Earthquakes Living Lab hyperlink in the top left in the earthquakes section. How does the period of the P waves compare to the period of the surface waves? Find 23 millimeters on the right side of the chart and mark that point. 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. 0000001777 00000 n xb``d``Id`a`Ab@_ :iWGi>|q` HS]o01j6R0iMm4U=wL8]BE< 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. What did it feel like? If a quake is far from the seismograph, the P-waves arrive long before the S-waves.