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

0000001143 00000 n ACTIVITY 4.2B Locating an Earthquake Figure 4.5 shows - Chegg Epicenter. HTn {0,`K6}(J6]&Q^"!q57y_VQ9fp3/?Mc=KGsrrt:c\$Lh`4}>C>`qcSj0[YpZ_Su(322/N Z./$E )H %C[5ph[BUyGh7|!XPQiDjJ(|BNvylk+g;9G(#Aby>Jcf`XmnwtDD+;Z^I&Sb-4!7oi` L7 endstream endobj 78 0 obj <> endobj 79 0 obj <>stream What is the 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. Answer Key: Lab 5 Earthquakes - Find People EARTHQUAKES: Epicenter Determination and Seismic Waves . 1,000 miles from the epicenter of an earthquake? Copyright USGS http://earthquake.usgs.gov/learn/kids/eqscience.php. The epicenter of an earthquake can be found using the difference between the arrival of the Primary and Secondary waves. When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects. Lab Activity Locating Epicenters Teaching Resources | TPT Quick Tips. 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. As the drum rotated, t, pen recorded the arrival of P, S, and surface, between arrival of P and S waves is called, epicenter, the longer the lag time measured, velocity, amplitude, and frequency of the. X!.43p2t!}SLx-3z.KN4X+H\+vk? Richter magnitude scale: An earthquake measurement scale created in the 1930s to assign a single number to quantify the energy released during earthquakes. 3. epicenter - the point on Earth's surface directly above the focus, or origin, of an earthquake. 0000002009 00000 n (from left to right). 0000001978 00000 n How does the Mad Scientist. 2. It is slower than the same earthquake's P wave and cannot travel through liquids. Millions of people witnessed the motion of the earthquake on television. Do you think we will someday be able to prevent earthquakes? Practicing this technique, the students work several problems on a map of the US. The American Geosciences Institute represents and serves the geoscience community by providing collaborative leadership and information to connect Earth, science, and people. Through the online Earthquakes Living Lab, student pairs explore various types of seismic waves and the differences between shear waves and compressional waves. You will analyze the records and locate the earthquake using a method known The simulation renders three circles on a map and directs students to find the epicenter. Students learn about the types of seismic waves produced by earthquakes and how they move through the Earth. The living lab presents earthquake information through a focus on four active seismic areas and historic earthquakes in those areas. different types of seismic waves. Several thousand seismographs exist at locations around the planet, continuously measuring abnormalities in the Earth's movement. Develop a solution to a technological problem that has the least negative environmental and social impact. Empirical evidence is required to differentiate between cause and correlation and make claims about specific causes and effects. A little under 30 seconds, maybe around 26 seconds. 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HTAn locating the epicenter of an earthquake activity - TeachersPayTeachers This is determined by the P-and S-wave arrival times. Analyze and interpret data on natural hazards to forecast future catastrophic events and inform the development of technologies to mitigate their effects. In this 1-to-10 logarithmic scale, each succeeding level representing 10 times as much energy as the last. These distances are determined using a travel-time curve, which is a graph of Pand S-wave arrival times (see Figure 13.11). USGS Earthquake Hazards Program Engineers first determine where earthquakes are likely to occur, and how severe they are likely to be. Collect any giveaways for the students, such as earthquake posters or plate tectonic fliers. Please answer the following questions using the earthquake video - shake, shake, shake. 0000002250 00000 n miles from the epicenter of an Ask students what fault they think caused this earthquake. m>r/Q[6 Answer the following questions in the spaces provided. Upload a document. There are two sets of data and maps to do this activity/ lab for than once. 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. endstream endobj startxref To locate the epicenter of the earthquake, seismologists use the . earthquake lab lab: locating the epicenters of earthquakes objective measurable learning outcomes use data from seismograms to locate the epicenters of Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew My Library Discovery Institutions Western Governors University Southern New Hampshire University Lab Activity Locating Epicenters Flashcards | Quizlet trailer <<0444DE89825047A1A483C62E98F50868>]>> startxref 0 %%EOF 114 0 obj <>stream Last updated November 26, 2013. question 1 of 3. Figure 8. 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. Answers to the Finding the Epicenter Gizmos Lab - Name: Earthquakes 2 0000003254 00000 n As the drum rotated, the However, please review it for the specific setting, materials, students, and conventional safety precautions. 0000000856 00000 n Looking at the nomogram, students click on each location data point to see where the three lines intersect to read the estimated magnitude. Explain the difference between S and P waves, and how their time interval is used to determine the epicenter location. (Grades Students first triangulate the location of an earthquake's epicenter, then calculate its magnitude. Earthquakes and Seismic Waves - carlisleschools.org Many updates and improvements! Introduction: Before student pairs look at the Earthquakes Living Lab, direct them to complete the Engage section of the Finding Epicenters and Measuring Magnitudes Worksheet, which asks them to apply any prior knowledge and/or speculate as to what the Richter magnitude scale is and what an epicenter is. 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) If the lag time were measured at a location closer to the epicenter, how would it compare 0000008088 00000 n The hypocenter is the point within the earth where an earthquake rupture starts. Mark the first arrival of the swave on each seismogram. 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. between arrival of P and S waves is called 9 - You can also download it, export it or print it out. 0000006538 00000 n and S waves depends on the distance from the epicenter of the answer the following question. The calculated distance from each seismometer to the earthquake is shown as a circle. !D,X2:azTG)kPT~Mj 4>d w@O'. Facility Name Busine Child ren Information Child Name C. Child Social Security Number Type of Case being filed - Check only one category. Three seismographs are needed. 0000005081 00000 n How do we determine the epicenter of an earthquake? Cross), Give Me Liberty! The real-world earthquake data is viewable via a graphical interface using a scaling map. Take a few minutes to read the information on the left side of this page for the 2010 earthquake off the coast of central Chile. 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. PDF EARTHQUAKE EPICENTER LOCATION EXERCISE - Idaho geology seismograph: An instrument that measures motions of the ground, including those of seismic waves generated by earthquakes. 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. The vertical lines, spaced one, minute apart, represent the passage of time, (from left to right). 0000004769 00000 n S-P interval: The time interval between the arrivals of P and S waves. For purposes of this activity, the least complicated and probably most accurate approach is to just use the term "magnitude," without needing to say "on the Richter scale" or "on the moment magnitude scale." Earthquakes & Volcanoes Test Review Answers. Using historical seismographs, engineers forecast the strength or magnitude of earthquakes and make predictions and determine building codes and safety protocols.