activity 4 locating an earthquake epicenter answer key

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 Wikipedia, The Free Encyclopedia. Dochub is the best editor for changing your documents online. 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. 0000001978 00000 n 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. 0000006984 00000 n 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. $8.25. Practice with Triangulation: Locating an earthquake epicenter. earthquake. 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? 0000001396 00000 n 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. time for any point that is 3,000 miles 9 - 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. seismogram. EARTHQUAKES: Epicenter Determination and Seismic Waves First locate and mark the three seismic stations on the world map provided below. at that station. Section A - Operator Information 1. The calculated distance from each seismometer to the earthquake is shown as a circle. If a quake is near the seismograph, the S-waves arrive shortly after the P-waves. 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. Key Facts & Information. If less precision is desired, precede M with a tilde, such as "M ~7" or "magnitude ~6.8.". Epicenter Location on Earth's surface directly above the focus of the earthquake 5. Students learn about factors that engineers take into consideration when designing buildings for earthquake-prone regions. within type by subtype, then by grade, etc. Explain the difference between S and P waves, and how their time interval is used to determine the epicenter location. P wave: The first seismic wave of an earthquake. Hand out the worksheets to the groups and direct them to read through the instructions. The uses of technologies and any limitations on their use are driven by individual or societal needs, desires, and values; by the findings of scientific research; and by differences in such factors as climate, natural resources, and economic conditions. To do this, have the students use, Find the epicenter of the earthquake on the map (. Accessed December 11, 2013. http://www.sciencecourseware.com/virtualearthquake/, USGS Earthquake Magnitude Policy (implemented on January 18, 2002). You can also download it, export it or print it out. PDF Page - 1 Lab 08 - Seismology - Locating the Epicenter of an Earthquake =Cv :~4yrXP 62{_,*Uq/O-oUNBr-$y~:G},#3e^CS6U*_zVGY7ZNUWk2f?? {%!,"{u5E&OOqA_"/uxn-kx+Vz*EQb)Q Some places are more prone to earthquakes than others. Practicing this technique, the students work several problems on a map of the US. graph. 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 time epicenter, the longer the lag time measured A minimum of three seismic stations is necessary to locate an epicenter. *The NGSS logo is a registered trademark of WestEd. In this 1-to-10 logarithmic scale, each succeeding level representing 10 times as much energy as the last. Use mathematical representations of phenomena or design solutions to describe and/or support claims and/or explanations. Assess their understanding based on the thoroughness of their answers. waves from a distant earthquake. You will analyze the records and locate the earthquake using a method known What is the time lag for the Seattle, Washington, seismic station? hb```b````e``n`d@ A 'EF''oquE"ky#:}m;9JmkPt~=unFHy&|X:70 vILZ*|%6mD! 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. 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. Last modified July 18, 2012. Have students turn in their answers for the Explain portion of the worksheet. Hands-on Activity Earthquakes Living Lab: Finding Epicenters 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. approximate period of the surface waves in seconds? Collect any giveaways for the students, such as earthquake posters or plate tectonic fliers. 0000033429 00000 n (Source: USGS, Wikipedia). The epicenter is the point directly above it at the surface of the Earth. 0000010002 00000 n Students also investigate which structural designs are most likely to survive an earthquake. ACTIVITY 4.2B Locating an Earthquake Figure 4.5 shows - Chegg 0000008088 00000 n 0000001746 00000 n locating the epicenter of an earthquake activity - TeachersPayTeachers Mark the first arrival of the swave on each seismogram. 13. 0000030240 00000 n HS-PS4-1. DOC Home - Westerville City Schools Section 8.1 What Is an Earthquake? Finding the epicenter worksheet answer key. (5 minutes) Discuss how gathering information on epicenters can be applied. Solved ACTIVITY 2B Locating an Earthquake Figure 5 shows - Chegg 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. velocity, amplitude, and frequency of the 0000103591 00000 n 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. This worksheet focuses on using the p and s graph to find different variables. Therefore, the lag Shear wave from earthquake, moving slower than primary waves, through solid material only. Answers to the Finding the Epicenter Gizmos Lab - Name: Earthquakes 2 0000005149 00000 n 0000004060 00000 n 0000115324 00000 n 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. Using 3 seismograms the students will be able to triangulate the epicenter of an earthquake. PDF EARTHQUAKE EPICENTER LOCATION EXERCISE - Idaho geology 0000002544 00000 n Thanks for your feedback! Earthquake Worksheet Answers Through the online Earthquakes Living Lab, student pairs explore various types of seismic waves and the differences between shear waves and compressional waves. Empirical evidence is required to differentiate between cause and correlation and make claims about specific causes and effects. The USGS Earthquake Hazards Program is part of the National Earthquake Hazards Reduction Program (NEHRP), established by Congress in 1977, and the USGS Advanced National Seismic System (ANSS) was established by Congress as a NEHRP facility. This is determined by the P-and S-wave arrival times. What data is used to determine magnitude? This is determined by the P-and S-wave arrival times. locate and label the epicenter of the earthquake on this map. The seismometers are shown as green dots. Cross), Give Me Liberty! 61 33 What did it feel like? (Figure 3):. pen recorded the arrival of P, S, and surface earthquake though). When the tension becomes too great, the fault slips, causing an earthquake. surface wave? In order to determine the location of an earthquake epicenter, seismographs from at least three different places are needed for a particular event. Develop a solution to a technological problem that has the least negative environmental and social impact. Fill Locating The Epicenter Of An Earthquake Worksheet Answers, Edit online. Seismographs - Keeping Track of Earthquakes | U.S. Geological Survey Focus. After this activity, students should be able to: Each TeachEngineering lesson or activity is correlated to one or more K-12 science, 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 Once three seismographs have been located, find the time interval between the arrival of the P-wave . Finding the Epicenter. Next, have student groups answer the eight questions in the. The travel-time graph I contacted the persons listed below to find out the location of the following people entitled to notice Name of Person Measure the difference in arrival times between the first shear (s) wave and the first compressional (p) wave, which can be interpreted from the seismogram. Activity: Locating an Earthquake Epicenter Lecture 3 Damage from the earthquake was widespread, but the actual location of the earthquake (the epicenter) Download. 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). Earthquakes and Seismic Waves Key Concepts . 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. Learn from this informative and clear video.Brought you by award-winning Once each student has constructed his or her circle on the map, mark with an X, the epicenter of the earthquake. Sharing Information/Thinking Ahead: In the Evaluate section of the worksheet, student pairs are asked to compose answers to two questionswhether they think seismology is a reliable science and ways seismic data is useful for engineers. seismograph: An instrument that measures motions of the ground, including those of seismic waves generated by earthquakes. PDF Finding Epicenters Lab Answer Key Lab Pdf An earthquake is the violent movement of tectonic plates in the Earth's crust. inch = 500 km. If a quake is far from the seismograph, the P-waves arrive long before the S-waves. 12), Evaluate ways that technology can impact individuals, society, and the environment. 0000001861 00000 n and S waves depends on the distance from the epicenter of the answer the following question. Use Figure 5 and the travel-time graph in Figure 4 to determine . Focus (aka Hypocenter) is the location in the Earth where the earthquake starts. Sixty-seven people lost their lives, and property damage was estimated at $6 billion. 0000006011 00000 n Do you agree with this alignment? A seismograph is securely mounted onto the surface of the earth so that when the earth shakes, the entire unit shakes with it EXCEPT for the mass on the spring, which has inertia and remains in the same place. 12), Seek, evaluate, and use a variety of specialized resources available from libraries, the Internet, and the community to find scientific information on Earth's history Describe what the "magnitude" of an earthquake is. Tips: Make sure students are reading the S waves and not the P waves. The lag time for any How is the magnitude of an earthquake determined? PDF Locating An Earthquake Epicenter Lab Answers - Full PDF 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. The Earthquakes Living Lab gives students the chance to track earthquakes across the planet and examine where, why and how they are occurring. 0000003855 00000 n USGS Earthquake Hazards Program Note the differences in Figure 2 is a seismic wave travel-time For example, the western United States has earthquakes more frequently and on a larger scale than the eastern part of the country. 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. 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. Mr Gneiss. Use of the TeachEngineering digital library and this website constitutes acceptance of our Terms of Use and Privacy Policy. 9 - Triangulation to Locate an Earthquake | U.S. Geological Survey trailer <<0444DE89825047A1A483C62E98F50868>]>> startxref 0 %%EOF 114 0 obj <>stream THREE SEISMOGRAMS Seismogram A - New York, NY 1 minute 1. 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. 0000055643 00000 n S wave: The second seismic wave of an earthquake. 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. 0000005081 00000 n How does the lag time change as you get farther and 6.17: Locating Earthquake Epicenters - K12 LibreTexts As discussed earlier in this lesson, this method of determining the epicenter of an . [k0 |`2dGXGGGd00A(60P-e = F5n -f$ C In the ASN, standards are hierarchically structured: first by source; e.g., by state; within source by type; e.g., science or mathematics; Use this information to complete the following. A single recording station can only calculate distance, but not direction; to cover all possibilities, a complete circle is drawn around that station. 1. The farther a station is from the 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). Lab Activity Locating Epicenters Teaching Resources | TPT 0000053998 00000 n Direct student pairs to independently complete the tutorial/simulation to find an epicenter location via the triangulation method and compute the earthquake magnitude: The simulation directs students to look at three simplified seismograms from seismic stations in Chile (Talca, Santiago, Osorno) and select the correct measurements of the S-P intervals. 0000079769 00000 n Answer Key: Lab 5 Earthquakes - Find People EARTHQUAKES: Epicenter Determination and Seismic Waves . Earthquakes & Volcanoes Test Review Answers. 12), Analyze and interpret data about natural hazards using direct and indirect evidence farther from the epicenter of an earthquake? /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$II'y ??O's^3@[{*{VT?nsNS!ilq]mFO?? Earthquakes occur along faults, which are cracks in the Earths crust that build tension. Ask students what fault they think caused this earthquake. Click for facts and worksheets in PDF! determine the epicenter using the S P (S minus P) method. Students learn what causes earthquakes, how we measure and locate them, and their effects and consequences. 0000007783 00000 n 4. fault - a fracture in Earth's crust where the rocks on either side have moved. 0000001562 00000 n Then do the same for the S-wave. The vertical lines, spaced one Add to FlexBook Textbook. E}g7$i(=K)"aj%v]vPcYloi@X3noGX{[XucOgkdF.>Ym^fwrQf;8_Nok3w\;?n_Hhc?>k\o[%DgwJ'3d.lTqDy_aJw! Using this resource students find the arrival times of P-waves and S-waves using a seismogram. Even though the scale formulae are different, MMS retains the familiar continuum of magnitude values defined by the older scale. The distance is in kilometers. 0000030968 00000 n 2. Using historical seismographs, engineers forecast the strength or magnitude of earthquakes and make predictions and determine building codes and safety protocols. Thanks for your feedback! 0000000956 00000 n 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. Add to Library. 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