Make arrangements so that each student group has a computer with Internet access. Review their answers to assess their base knowledge of the subject matter. The spot where those three circles intersect is the epicenter (Figure 13.12). xb``d``Id`a`Ab@_ :iWGi>|q` You can also download it, export it or print it out. "`B(R6sj [CX7p+s =#;~ `'kA 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. Since the 1970s, the use of the Richter magnitude scale has largely been replaced in the scientific community by the moment magnitude scale (MMS). Last updated November 26, 2013. DocHub v5.1.1 Released! 0000004224 00000 n 0000003966 00000 n Solved Lab Exercise #2: Locating the Epicenter of an - Chegg If a quake is far from the seismograph, the P-waves arrive long before the S-waves. Key Facts & Information. PS: We do not share personal information or emails with anyone. Collect any giveaways for the students, such as earthquake posters or plate tectonic fliers. In Figure 13.9, there is an example seismogram from a station that includes a minor earthquake. Earthquake Worksheet Answers Facility Name Busine Child ren Information Child Name C. Child Social Security Number Type of Case being filed - Check only one category. To locate the epicenter of the earthquake, seismologists use the . 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 Using this resource students find the arrival times of P-waves and S-waves using a seismogram. 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. Free K-12 standards-aligned STEM curriculum for educators everywhere. longer or shorter). 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. 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 Y$Kr;V6[;Dq vg~cx:A[^jCssupwD endstream endobj 80 0 obj <> endobj 81 0 obj <>stream 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. In Figure 13.9, there is an example seismogram from a station that includes a minor earthquake. When an earthquake strikes, P waves arrive at a seismograph rst and S waves next. PDF EARTHQUAKE EPICENTER LOCATION EXERCISE - Idaho geology We have answers to the most popular questions from our customers. endstream endobj 84 0 obj <> endobj 85 0 obj <> endobj 86 0 obj <>stream Tracings made at three separate seismic stations are needed to locate an earthquake epicenter. located 1,000 miles from the Richter magnitude scale: An earthquake measurement scale created in the 1930s to assign a single number to quantify the energy released during earthquakes. You will receive your score and answers at the end. 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. Students first triangulate the location of an earthquake's epicenter, then calculate its magnitude. HlRnQ?R\>BjK' Place a ruler (or straight edge) on the chart between the points you marked for the distance to the epicenter and the amplitude. Describe the process of triangulation to locate an epicenter. 0000004769 00000 n In the U.S., earthquake measurements under the MMS (those of magnitude 3.5 or higher) are still commonly erroneously referred to by the general public and media as being on the Richter scale, due to more familiarity with the Richter scale. 5. focus - the point within Earth where an earthquake originates. Have students click on the Earthquakes Living Lab hyperlink in the top left in the earthquakes section. Accessed December 11, 2013. http://earthquake.usgs.gov/aboutus/docs/020204mag_policy.php. 2. Construct an oral and written argument supported by empirical evidence and scientific reasoning to support or refute an explanation or a model for a phenomenon or a solution to a problem. [*aiLG?+J\QI86~}ooRrr!pm}dk@dBbZPMZlC4C\9^ SM.R\!H+$|+DUzt^w{" %&{KXjT'9yzT^UFe:+f(`PU_9%EW@\)?i qp!\G Z endstream endobj 75 0 obj <>stream Earthquakes can also cause tsunamis, which are very large waves that can damage coastlines and put coastal residents in danger. Many updates and improvements! MS-ESS3-2. As you may know, people have look numerous times for . Develop a solution to a technological problem that has the least negative environmental and social impact. PDF Locating An Earthquake Epicenter Lab Answers - Full PDF Analyze and interpret data on natural hazards to forecast future catastrophic events and inform the development of technologies to mitigate their effects. EARTHQUAKES: Epicenter Determination and Seismic Waves First locate and mark the three seismic stations on the world map provided below. The simulation renders three circles on a map and directs students to find the epicenter. How Can I Locate the Earthquake Epicenter? | Michigan Technological 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. Triangulation is required to determine exactly where it happened. Mr Gneiss. travel 3,000 miles. Even though the scale formulae are different, MMS retains the familiar continuum of magnitude values defined by the older scale. Quick Tips. 0000001978 00000 n Ch Person/Attorney Filing: - Superior Court - Maricopa County - superiorcourt maricopa. 0000001143 00000 n How can you locate an earthquake's epicenter? 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. 0000009174 00000 n 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, amount of time that passes between the Pwave arrival and the Swave arrival is. 83 0 obj <> endobj S waves. important in helping seismologists determine the epicenter of the earthquake. Locating An Earthquake Epicenter Lab Answer Key /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?? PDF Example Answers - TeachEngineering 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. 0000003254 00000 n Section 8.1 What Is an Earthquake? 0000004060 00000 n Resources. Tips: Make sure students are reading the S waves and not the P waves. Locating an Epicenter through Triangulation of Seismic Data- Remote/Hybrid/Live. 9 - lag time. Short for "secondary wave" or "shear wave." Every year, earthquakes cause death and destruction worldwide. Locating Earthquake Epicenter Worksheet Answer Key 11 minutes elapsed between the first P wave and the last measurable surface wave. (Source: USGS, Wikipedia). PDF Lecture 3 Activity: Locating an Earthquake Epicenter What data is used to determine magnitude? Describe what the "magnitude" of an earthquake is. 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. *The NGSS logo is a registered trademark of WestEd. Type text, add images, blackout confidential details, add comments, highlights and more. They make a model of a seismographa measuring device that records an earthquake on a seismogram. 4. fault - a fracture in Earth's crust where the rocks on either side have moved. 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). Conclude the activity with a class discussion (and perhaps homework questions) to share ideas and answers, as described in the Assessment section. 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. It shows the time required for P PDF Finding Epicenters and Measuring Magnitudes Worksheet Shear wave from earthquake, moving slower than primary waves, through solid material only. Last modified July 18, 2012. hWmo9+[+UH EkNB|6YiaVJ=cRh7{T1R,5LI1$K=s)XR&87@&$LTPLutlcyNuzjf--\?qaXZM&HM.Eg"HnTqSWqN0&~2kf0 Md|d&:zhe)7I? Locating an Epicenter Activity - Arkansas Geological Survey 6. 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. Finding the epicenter worksheet answer key. Nov 2, 2020 Triangulation is used to determine the location of an earthquake. 0000006011 00000 n to the lag time measured at this location? A minimum of three seismic stations is necessary to locate an epicenter. The American Geosciences Institute represents and serves the geoscience community by providing collaborative leadership and information to connect Earth, science, and people. Though the distance to the epicenter can be determined using a travel-time graph, the direction cannot be told. The longer the time is between the P-and S-wave . hb```f``Rl@ (l"`+uk?0.a~@6Vm;| G3f`75@v@Wz|A4#w9{(` ) Epicenter Location on Earth's surface directly above the focus of the earthquake 5. technology, engineering or math (STEM) educational standards. For example, the western United States has earthquakes more frequently and on a larger scale than the eastern part of the country. Students also investigate which structural designs are most likely to survive an earthquake. Use mathematical representations of phenomena or design solutions to describe and/or support claims and/or explanations. 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. Find 23 millimeters on the right side of the chart and mark that point. How does distance from the epicenter affect the magnitude (height) of the seismograph reading? 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. PDF ActivityEarthquake Location* - Cascadia Earthscope Earthquake and P and S arrivals, you can now locate an earthquake your answers below. 0000030240 00000 n If you complete all the problems, you should be able to: Identify P, S, and surface waves on a simple seismogram. Answer the following questions in the spaces provided. 0000007783 00000 n After this activity, students should be able to: Each TeachEngineering lesson or activity is correlated to one or more K-12 science, [N'. Finding the Epicenter Determine the epicenter distance from three different seismographs. This is determined by the P-and S-wave arrival times. The magnitude is the logarithm of the amplitude of the ground wave. 0000001675 00000 n PDF Locating an Epicenter Activity - Arkansas Geological Survey graph. Refer to the data table and use the difference in arrival times to determine the distance to the earthquake epicenter for Station 2. 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. between arrival of P and S waves is called Learn more How Can I Locate the Earthquake Epicenter? 0000002840 00000 n Privacy Policy, Seismograms from seismic stations in Fresno, CA, Phoenix, AZ, and Las Vegas, NV, A modified travel time curve for S-P wave, A Modified Travel Time Curve for S-P Wave. Please answer the following questions using the earthquake video shake, shake, shake. Use Figure 5 and the travel-time graph in Figure 4 to determine . 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 . 61 0 obj <> endobj xref trailer <<0444DE89825047A1A483C62E98F50868>]>> startxref 0 %%EOF 114 0 obj <>stream %PDF-1.3 % inch = 500 km. 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. 0000001604 00000 n We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. 01. (Grades Scientists use triangulation to find the epicenter of an earthquake. Draw your signature, type it, upload its image, or use your mobile device as a signature pad. The epicenter is the point directly above it at the surface of the Earth. View Notes - Locating_an_epicenter_activity from SCIENCE Earth Scie at Toms River High North. (, 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. Figure 1 is a simplified example of a The living lab presents earthquake information through a focus on four active seismic areas and historic earthquakes in those areas. Earthquakes & Volcanoes Test Review Answers. 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. All rights reserved. (Source: USGS, Wikipedia). Also called seismometer. aqmd. Civil engineers, who design houses, apartment buildings, schools, skyscrapers, bridges, highways, tunnels, water treatment facilities, factories and other structures, may use this data to help them create safer structures that are less likely to sustain damage during earthquakes. 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. What types of engineers might use this data the most? minute apart, represent the passage of time 13 4 locating an earthquake epicenter geosciences libretexts . Activity: Locating an Earthquake Epicenter Lecture 3 Damage from the earthquake was widespread, but the actual location of the earthquake (the epicenter) What is the A.45 seconds B.50 seconds C.55 seconds D.65 seconds Answer Key: D 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. Therefore, the lag Do you think we will someday be able to prevent earthquakes? Choose an answer and hit 'next'. 0000001777 00000 n Mark the first arrival of the swave on each seismogram. Geologists use seismic waves to locate an earthquake's epicenter. If a quake is near the seismograph, the S-waves arrive shortly after the P-waves.
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