lag time. At least 3 earthquake recording stations are required to find the location of the earthquake epicenter. epicenter of an earthquake, how As discussed earlier in this lesson, this method of determining the epicenter of an . 4. fault - a fracture in Earth's crust where the rocks on either side have moved. 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. It's a logarithmic scale from 1 to 10 with each succeeding level representing 10 times as much energy as the last. epicenter, the longer the lag time measured 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. Make an overhead copy of each of the handouts. Students learn about the types of seismic waves produced by earthquakes and how they move through the Earth. seismograph: An instrument that measures motions of the ground, including those of seismic waves generated by earthquakes. 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! Review their answers to assess their base knowledge of the subject matter. Use the graph to answer the questions that follow. Thus technology use varies from region to region and over time. !5(~q* For example, the western United States has earthquakes more frequently and on a larger scale than the eastern part of the country. Several thousand seismographs exist at locations around the planet, continuously measuring abnormalities in the Earth's movement. 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"? For this activity, select the "Chile" box. minutes and P waves 8 minutes to Send activity 4 locating an earthquake epicenter worksheet answers via email, link, or fax. 0000002840 00000 n
A single recording station can only calculate distance, but not direction; to cover all possibilities, a complete circle is drawn around that station. 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 NGSS logo is a registered trademark of WestEd. Click for facts and worksheets in PDF! earthquake - shaking and vibration of Earth's surface. Empirical evidence is required to differentiate between cause and correlation and make claims about specific causes and effects. 13 4 locating an earthquake epicenter geosciences libretexts . How are S and P waves used to determine how far away epicenters are? Explains how to find an earthquake epicenter using at least three seismograph stations. 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. HtA1D41`s(GME$Ke*YdEOYf2-:r. The distance to the earthquake epicenter is then determined using the "Earthquake P-Wave and S-Wave Travel Time" graph. xb``d``Id`a`Ab@_ :iWGi>|q` In Figure 13.9, there is an example seismogram from a station that includes a minor earthquake. This section explains what earthquakes and faults are and what causes earthquakes. 0000001396 00000 n
All 100,000+ K-12 STEM standards covered in TeachEngineering are collected, maintained and packaged by the Achievement Standards Network (ASN),
PDF. The vertical lines, spaced one, minute apart, represent the passage of time, (from left to right). Zip. Therefore, the lag Triangulation to Locate an Earthquake By Earthquake Hazards Original Thumbnail Medium Detailed Description Triangulation can be used to locate an earthquake. Shear wave from earthquake, moving slower than primary waves, through solid material only. Develop a solution to a technological problem that has the least negative environmental and social impact. Step 1: ans- d) 65 seconds Ste . Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. How do we determine the epicenter of an earthquake? Analyze and interpret data on natural hazards to forecast future catastrophic events and inform the development of technologies to mitigate their effects. 0000009174 00000 n
Earthquakes & Volcanoes Test Review Answers. Answer Key: Lab 5 Earthquakes - Find People, Locating Earthquake Epicenters | CK-12 Foundation, Earthquake Station - Regents Earth Science, Locating Earthquakes Teaching Resources - TPT, Locating An Epicenter Teaching Resources - TPT, How To Find The Epicenter Of An Earthquake - YouTube, Locating The Epicenter Of An Earthquake Worksheet, Locating An Earthquake Epicenter Worksheet Answers, glencoe responsible driving chapter 2 answers, pnp neuro psychiatric exam sample questions, quais tipos de drogas sao detectadas no exame toxicologico, centro de apoio diagnostico resultado de exames, locating earthquake epicenter worksheet answer key, exame pcr covid para viagem internacional, quantos dias pra sair o resultado do exame de covid, du ma political science entrance exam syllabus 2023, earth and life science grade 11 module 4 genetic engineering answer key, go math grade 5 chapter 11 lesson 11.9 answer key, civil service examination in the philippines. What is the 15 Bill Nye - Earthquakes Worksheet Key Earthquakes occur when the big pieces of earth's crust, called plates, move a little. The farther a station is from the Yw8SxGk}X3kfTfW& gk`41#'uf7"G\fsN4^8jC7[+%`qFLFKpFc hbb2b`b``a I @
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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. Though they may weaken with distance, seismographs are sensitive enough to still detect these waves. Finding the Epicenter. Add to Library. Divide the class into student pairs, and have them assemble at their computers with journals/paper and writing instruments. The USGS and its partners monitor and report earthquakes, assess earthquake impacts and hazards, and . inch = 500 km. atrial depolarization. triangulation: A method to determine exactly where an earthquake originates. All the arcs should intersect at a common point - the epicenter. Do you agree with this alignment? 12), computer or other device with Internet access, journal or writing paper for each student. Use Figure 5 and the travel-time graph in Figure 4 to determine . 74 Earthquake Activity: Locating the Epicenter and Time of Earthquake . Students learn what causes earthquakes, how we measure and locate them, and their effects and consequences. locate and label the epicenter of the earthquake on this map. and S waves to travel any distance up to The longer the time between the arrival of the P-wave and S-wave, the farther away is the epicenter. First locate and mark the three seismic stations on the world map provided below. 0000001604 00000 n
Use mathematical representations of phenomena or design solutions to describe and/or support claims and/or explanations. %%EOF
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3. epicenter - the point on Earth's surface directly above the focus, or origin, of an earthquake. The period of a wave is the time between two adjacent wave peaks. Even though the scale formulae are different, MMS retains the familiar continuum of magnitude values defined by the older scale. miles from the epicenter of an 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. HS-PS4-1. It shows the time required for P 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. Have students turn in their answers for the Explain portion of the worksheet. Students learn about factors that engineers take into consideration when designing buildings for earthquake-prone regions. (Grades 9 - 12). Facility Name Busine Child ren Information Child Name C. Child Social Security Number Type of Case being filed - Check only one category. Explain the difference between S and P waves, and how their time interval is used to determine the epicenter location. All rights reserved. Nov 2, 2020 Triangulation is used to determine the location of an earthquake. HlRnQ?R\>BjK' 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. The western U.S. has more faults than the eastern U.S., and therefore the western U.S. has more earthquakes. P wave. 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. In order to determine the location of an earthquake epicenter, seismographsfrom at least three different places are needed for a particular event. Reading Strategy. 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. View Notes - Locating_an_epicenter_activity from SCIENCE Earth Scie at Toms River High North. Copyright 2023. As the drum rotated, the 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. Based on your answers to the previous question, what is the lag time for locations that are The three seismograms in this activity are unfi ltered station records from a single event that occurred on August 1, 1999. How far do S waves travel in 5 Specifically, seismographs make recordings (seismograms) of the seismic waves generated from earthquakes, providing engineers and other researchers with data that they use to make predictions about future earthquakes. Success is figuring out that the estimated magnitude is 5.9. How does the lag time change as you get farther and After this activity, students should be able to: Each TeachEngineering lesson or activity is correlated to one or more K-12 science,
Please answer the following questions using the earthquake video - shake, shake, shake. different types of seismic waves. This investigation is considered generally safe to do with students. (Grades 6 - 8). Place a ruler (or straight edge) on the chart between the points you marked for the distance to the epicenter and the amplitude. Add to FlexBook Textbook. After reading about earthquakes, open a new window to an Earthquake Simulator at, Follow the simulation instructions. 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. 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). This opens a new window to Michigan Techs UPSeis informational site about earthquakes and seismology. How does the period of the P waves compare to the period of the surface waves? What data is used to determine magnitude? Mr Gneiss. Ch Person/Attorney Filing: - Superior Court - Maricopa County - superiorcourt maricopa. Earthquakes can also cause tsunamis, which are very large waves that can damage coastlines and put coastal residents in danger. 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. 1. ?t?s=Yt '_(
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The time 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. Book: Laboratory Manual for Introductory Geology (Deline, Harris & Tefend), { "13.01:_Introduction" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.
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