activity 4 locating an earthquake epicenter answer key

THREE SEISMOGRAMS Seismogram A - New York, NY 1 minute 1. Figure 1 is a simplified example of a The distance is in kilometers. Short for "secondary wave" or "shear wave." DOC Home - Westerville City Schools ?t?s=Yt '_( endstream endobj 76 0 obj <>stream Swaves arrive at the seismic station after the Pwaves. Video Guide / Worksheets and Quizzes for Quizzes and Answer Sheet __ 2. and S waves to travel any distance up to So the difference in the P- and S-wave arrival times determines the distance between the epicenter and a seismometer. Analyze and interpret data on natural hazards to forecast future catastrophic events and inform the development of technologies to mitigate their effects. at that station. X!.43p2t!}SLx-3z.KN4X+H\+vk? As discussed earlier in this lesson, this method of determining the epicenter of an . The simulation renders three circles on a map and directs students to find the epicenter. What was the lag time (in minutes) at this location? earthquake. 4. How does the Mad Scientist. Activity4:LocatinganEarthquakeEpicenter Objectives:Ifyoucompletealltheproblems,youshouldbeableto: Identif 0000004769 00000 n Even though the scale formulae are different, MMS retains the familiar continuum of magnitude values defined by the older scale. Explains how to find an earthquake epicenter using at least three seismograph stations. 0000001736 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. The answer is the San Andreas Fault. 92 0 obj <>/Filter/FlateDecode/ID[]/Index[83 25]/Info 82 0 R/Length 62/Prev 466624/Root 84 0 R/Size 108/Type/XRef/W[1 2 1]>>stream Then from the same recordings they determine the earthquake's magnitude, an estimate of the amount of energy released during the earthquake. One seismogram indicates the distance to the epicenter. question 1 of 3. In this activity, the epicenter of the earthquake is in the center of Los Angeles, CA. HTn0"H@w=s(vxk8OM1px-{$_!o5|CS7RPr#V(0CUa%ZkuT9t};D Jj=.9,z!#@n5YCu>R88tfFRX=iRK 0000001143 00000 n Thanks for your feedback! American Geosciences Institute. Earthquakes and Volcanoes. It's a logarithmic scale from 1 to 10 with each succeeding level representing 10 times as much energy as the last. The farther a station is from the Show students some of the numerous online animations comparing the movements of P and S waves. Many updates and improvements! velocity, amplitude, and frequency of the 0000001604 00000 n 0000002840 00000 n Identify P, S, and surface waves on seismograms, Measure amplitude and lag time on seismograms, Use triangulation to accurately locate the epicenter of an earthquake, Accurately report the latitude and longitude of the epicenter, Sea Floor Lab Help with Problem 2 - Tagged, Metamorphic Rocks Lab Instructions - Tagged, Lab exam 2 - Study guide for the second exam regarding all the labs and material covered, Redaccion de textos II Marco n membrete es aquello que se ubica en el sector superior de una pgina, mencionando el ttulo o el nombre de un individuo, una empresa, etc. 0000053998 00000 n Earthquake Location 2 Using the skills that you acquired in the picking P and S arrivals, you can now locate an earthquake using real seismic records. triangulation: A method to determine exactly where an earthquake originates. minutes? Locating the Epicenter of an Earthquake - SE Asia a foldable activity, slide presentation to guide reading, and an answer key! minutes = 6 minutes. In order to determine the location of an earthquake epicenter, seismographs from at least three different places are needed for a particular event. Answer the following questions in the spaces provided. Subject Areas: HTn0MmcHCB HtA1D41`s(GME$Ke*YdEOYf2-:r. Hand out the worksheets to the groups and direct them to read through the instructions. Run through the investigation yourself and record the data, just to see how long it takes. As the drum rotated, the Figure 2. For lower grades, just introduce the concepts of triangulation and the magnitude scale; a thorough understanding of P and S waves is not vital. Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media. All 100,000+ K-12 STEM standards covered in TeachEngineering are collected, maintained and packaged by the Achievement Standards Network (ASN), to the lag time measured at this location? 1) Identify the general term for waves released from an earthquake. Subjects: Activity: Locating an Earthquake Epicenter Lecture 3 Damage from the earthquake was widespread, but the actual location of the earthquake (the epicenter) The distance to the earthquake epicenter is then determined using the "Earthquake P-Wave and S-Wave Travel Time" graph. What is an earthquake? travel time for P waves. 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. Focus. Seismograms (Figure 3):. Success is figuring out that the epicenter is just off the coast of Chile, where the three circles intersect. 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. and S waves depends on the distance from the epicenter of the answer the following question. P wave: The first seismic wave of an earthquake. Scientists and engineers around the globe gather data through observation and experimentation and use it to describe and understand how the world works. Do you agree with this alignment? 0000115324 00000 n 0000002658 00000 n %PDF-1.4 % When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects. approximate period of the surface waves in seconds? Lab Lesson 4 - Lab Lesson 4: Earthquakes and Seismology, 01. 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. What did it feel like? %PDF-1.3 % Geology Labs On-Line, Department of Geological Sciences, California State University, Los Angeles, CA. locate and label the epicenter of the earthquake on this map. 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. A little under 30 seconds, maybe around 26 seconds. Tips: Make sure students are reading the S waves and not the P waves. USGS Earthquake Hazards Program For example, the western United States has earthquakes more frequently and on a larger scale than the eastern part of the country. activity illustrates how the epicenter of an earthquake is found. Notify the classroom teacher of technology needs (overhead projector). Great-circle arcs are drawn on the globe using the distance of the earthquake to the station as a radius. The calculated distance from each seismometer to the earthquake is shown as a circle. If you can't find an answer to your question, please contact us. 12), Analyze and interpret data about natural hazards using direct and indirect evidence Use the graph to answer the questions that follow. 9 - Objective Use data from seismograms to locate the epicenters of earthquakes. HS]o01j6R0iMm4U=wL8]BE< 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 is called triangulation because a triangle has three sides, and it takes three seismographs to locate an earthquake. First locate and mark the three seismic stations on the world map provided below. Draw your signature, type it, upload its image, or use your mobile device as a signature pad. 1,000 miles from the epicenter of an earthquake? follow our easy steps to get your lab activity locating epicenters answer key well prepared rapidly choose the template in the library enter all necessary information in the required llable areas 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. Note the differences in P and Swaves are body waves and travelthrough the interior of the earth. 3. epicenter - the point on Earth's surface directly above the focus, or origin, of an earthquake. If the lag time were measured at a location closer to the epicenter, The period of a wave is the time between two adj, How does the period of the P waves compare to t. Use data from seismograms to locate the epicenters of earthquakes. 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. The point where your ruler crosses the middle line on the chart marks the magnitude (strength) of the earthquake. Subjects: Earth Sciences, General Science Grades: 5th - 8th Types: Activities, Laboratory

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