how to read a seismogram worksheet

This is used by seismologists to determine the distance of the seismograph from the earthquake’s epicenter. While that doesn't result in noticeable movements of the buildings, the arrivals are recorded on sensitive seismometers. 4. Hint: (a) Place tick marks on a scrap of paper equal to 5. Oral reading and note taking fects of earth-quakes on model buildings fect of earth-quakes on people Cultures and legend origins Map study of cultures associated is 860 km. When the ground vibrates the pen moves up or down creating th seismic record of the vibrations. including online interactive materials, For full details on using jamaseis see here: jAmaSeis Installation Guide. Focus will be on reading the graph properly with proper units. IRIS has multiple online tools that allow you The short period Rg waves travel as guided waves through continental crust with velocity 3 km/s; their range of propagation is limited to 600 km or less. (DON’T SKIP THIS… You will need to know how!!) Using these markers one sees that the seismogram begins last Wednesday, April 22, at 3:22pm, as indicated by the blue top line. There are two types of body waves: P-waves (primary waves) and . A STEM activity that shows how a seismograph works to measure the waves produced by an earthquake. Anything that shows up on only a single seismometeris either noise or earthquake activity too, You’ve done your homework and you’re readyto graduate from the “Acme School of Webicorder. Seismogram #1: Fresno, CA. A moderate, regional earthquake The classic tale of a Japanese boy orphaned by a tsunami from the author of The Good Earth, the first American woman to win the Nobel Prize in Literature. Written in a clear, straightforward style, with examples and practice problems throughout, it is the ideal guide for all science students. Tes classic free licence. Take a few minutes to read the information on the left side of this page for the 2010 earthquake off ... Finding Epicenters and Measuring Magnitudes Activity—Worksheet 2 5. and derived data for the global earth science community. pdf, 77.92 KB. In this Investigation we will construct several simple oscillators and learn how to adjust their frequency and period. Seismogram #3: Phoenix, AZ. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors. Here, the wind picks up each day and dropsoff at night. Incorporated Research Institutions for Seismology, Ocean Bottom Seismograph Instrument Pool (OBSIP), Greenland Ice Sheet Monitoring Network (GLISN), Global Reporting Observatories in Chile (GRO-Chile), INTERNATIONAL DEVELOPMENT SEISMOLOGY (IDS), Recent Earthquake Teachable Moments (RETM), 1-Component Seismogram: Building responds to P, S, surface waves, 3-Component Seismogram Records Seismic-wave Motion, 4-station Seismograph Network Records a Single Earthquake, 4-station Seismograph Network; No Cartoon House Bounce, » Ocean Bottom Seismograph Instrumentation Pool, » Global Reporting Observatories in Chile, Sponsored by the National Science Foundation, 1200 New York Avenue NW, Suite 400, Washington, DC 20005, 202-682-2220. So what does this mean? Scientists use the information collected in seismograms to determine the magnitude of earthquakes, which are the numbers you hear of after an earthquake, such as 5.4. Seismometers record anything that can make the ground vibrate: Seismic waves travel through the earth to a single seismic station. The Seismogram Basics activity is a worksheet for students to complete. Have fun out there, mind your s’s and p’s,and please keep in mind, if you see an ominous. Seismograms can record everything from nearby earthquakes to earthquakes on the other side of the world, plus anything that shakes the ground near the seismograph station like people walking, elk running, rocks falling and helicopters landing. sample seismogram and be sure you can identify these parts: P-waves and the P-wave arrival time S-waves and the S-wave arrival time S-P interval (expressed in seconds) S-wave maximum amplitude (measured in mm) Note: This seismogram is a simulation. Some seismometers measure only up and down. Seismogram Worksheet Master 31. View Seismograph PPTs online, safely and virus-free! Put a cloud around words you don’t know. Step 1: Reading a Seismogram You will need to know what P-, S-, L-, and R-waves look like on a seismogram in order to identify them correctly. In this volume, recent advances in analytical and logging technology and their application to the analysis of sediment cores are presented. Some seismometers record in all three dimensions. What can the size of the seismogram tell us about an earthquake? Seismologist worksheet. Start Here… Southern California. An illustrated encyclopedia with articles on history, literature, art and music, geography, mathematics, science, sports, and other topics. Some articles include activities, games, or experiments. These seismogram displays depict ground motion recorded by seismograph stations in real-time, updated every few minutes. Seismograms are read like the pages of a book, from left to right, and they are always time-stamped using Greenwich Mean Time (GMT). It begins as a sharp crack as the rock breaks,and then quickly decays with time. seismogram is a reliable indicator of very shallow event (like earthquake, nuclear explosion, mine burst etc.). Figure 1 shows a half hour long record of the seismic waves registered by a three component seismic station in the East Bay Hills. Reading And Writing Resources For Middle School More information Customize this map—and dozens more like it—with our great collection of black-and-white 1-Page Maps. Finding The Epicenter Lab Answers Finding An Epicenter. Displaying all worksheets related to - Finding An Epicenter. 0 on the minute’s axis. Fill out, securely sign, print or email your regents earth science plotting epicenter worksheet form instantly with SignNow. A cow and a tree in this narrated cartoon for fun and to emphasize that seismic waves traveling away from an earthquake occur everywhere, not just at seismic stations A, B, C, and D. A person would feel a large earthquake only at station A near the epicenter. Here’s a record from a three channel instrument,one of which is broken – guess which one? As the drum and paper shake next to the pen, the pen makes squiggly lines on the paper, creating a record of the earthquake. (c) Read distance directly across on the distance axis. STEP 3 STEP 2 STEP 1 Construct with Strength One of the greatest dangers associated with an earthquake occurs when people are inside The diagram below demonstrates how to use Richter's original method to measure a seismogram for a magnitude estimate in Southern California: The scales in the diagram above form a nomogram that allows you to do the mathematical computation quickly by eye. 6. 1. 3. This learning exercise has 5 … 2. Mark the first arrival of the S‐wave on each seismogram. Using this calculation requires a quick conversion from degrees expressed as decimals to degrees expressed as degrees, minutes and seconds. Figure 1. Beneath our feet unit is an ideal way to link science with literacy in the classroom. It provides opportunities for students to explore how natural processes and human activity shape their surroundings. Tally Mark Worksheet Students will demonstrate their current understanding of how to read tally marks and … Everything you need to know about seismology can be found in this Manual! Place one mark at zero and read the time using the mark above it. : To learn how to read seismogram printouts from a seismograph. Read more ». Draw a line to connect the points in order. 4. Seismometers measure vibrations. Select a few students to read one or more of their answers to the rest of the class. Seismograms from three stations are provided to determine the epicenter using the S – P (S minus P) method. Seismograms of common events are compiled to show the different seismic signals recorded by ground-shaking events. Each directorate consists of various programs listed to the right. The project uses simple materials allowing students to visualize how the resulting seismogram measures the magnitude of an earthquake. This volume reviews the most important areas of infrasound, with emphasis on the latest researches and applications, e.g. instrumentation, engineering, signal processing, source monitoring, propagation modeling, atmospheric dynamics, global ... Found insideDespite the laughter of his fellow villagers, Yoshi uses his building skills to make a boat to catch the moon, a kite to reach the clouds, and a bridge that mimics the rainbow. Example: Use 3 minutes from above seismogram • Time in minutes side of graph – measure 3 minute spacing on a piece of scratch paper • Then find the 3 minute vertical spacingon the graph between the P and S curves • Read the distance at the bottom What is the distance to the earthquake’s focus? Guitar strings, trees in the wind, and stretched rubber bands are all examples of oscillators. As ground motion occurs it is recorded electronically, and motion is represented by the ups and downs on the seismogram. The classic paper seismogram is read like a book, from left-to-right and top to bottom. : jAmaSeis is a seismology teaching aid developed by IRIS’s Seismographs in Schools program. Real-time Seismogram Displays. Answer Key Earthquake Webquest Worksheet - Google Docs › Search The Best education at www.google.com Education Answer Key Earthquake Webquest Worksheet. FINDING AN EPICENTER: THE TORTOISE AND THE HARE Seismographs are located all over the world. Using an earthquake recording station, learn how to determine the distance between the station and an earthquake based on the time difference between the arrival of the primary and secondary seismic waves. Plots are automatically updated every few minutes. Directions to build the seismograph are completely described. Read PDF Finding The Epicenter Lab Answers center is calculated using the S-P interval and this distance serves as the radius for a circle around the center. IRIS offers a variety of resources for the The book also suggests designing effective interagency exercises, using professional emergency-management standards to prepare communities, and prioritizing funding based on tsunami risk. Sometimes, they shake too much and data are off-scale. time interval is measured from a seismogram using a time scale bar. Interpreting Seismograms Worksheet Name_____ Answer the following questions about the seismogram. Some seismometers record in all three dimensions. with multiple earthquakes of magnitude 2 to3. Mark the first arrival of the P‐wave on each seismogram. Seismic waves are recorded on a seismogram ON THE BOARD: A seismogram is a piece of paper that records seismic waves Refer to handout o By reading the seismogram, seismologists (scientists that study earthquakes) can determine the time an earthquake occurred and how far (and where), an earthquake occurred. When there is an earthquake, everything in the seismograph moves with the Earth except the weight with the pen on it. Use the websites below to answer the following questions about earthquakes.Read each page (it is only a few paragraphs each time) and then answer the questions. Available for PC, iOS and Android. You’re now prepared to start cruising dataon the internet. Here's an example of a seismogram: FIGURE 1 - OUR TYPICAL SEISMOGRAM FROM BEFORE, THIS TIME MARKED FOR THIS EXERCISE (FROM BOLT, 1978). Sometimes, they shake too much and data are off-scale. The result is how fast the seismic wave travel. As the culminating assessment of the unit, I administered a unit exam, featured below. This companion to the animation "Four-Station Seismograph network"  shows the arrival of seismic waves through select wave paths through the Earth (P and S waves) and over the surface of the Earth. Sometimes, they shake too much and data areoff-scale. From the seismogram in Figure 1, the differences in arrival times between the first P-wave and the first S-waves equal [ 3, 7, 10 ] minutes. Next, the s-p time interval is taken to a set of curves (called an S-P graph) which plot the s-p time interval as a function of the distance from the epicenter and a distance is read directly from these curves. Earthquake Magnitude and Energy Master 32. Introduction: An earthquake releases an enormous amount of energy, which passes through Earth’s interior in the form of . Regents Earth Science Plotting Epicenter Worksheet Answers. Practice reading the seismogram to determine the S-P interval. Point B = arrival time of S-wave . Some seismometers measure only up and down. The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! How Do I Read a Seismogram from worksheet labeling waves answer key page 2 , source:geo.mtu.edu You will need to understand how to project cash flow. Seismic Signatures (IRIS). They have many years of training, and on-the-jobexperience. Unit 2 Handout _____ Lesson 3: Reading a Seismogram Purpose: To learn how to read and analyze wave patterns on an actual seismogram. Some seismometers measure only up and down. The seismograph creates a seismogram based on vibrations caused by moving a ruler. Seismographs can detect quakes that are too small for humans to feel. During an earthquake, ground-shaking seismic waves radiate outward from the quake source, called the epicenter. Different types of seismic waves travel at different speeds and through different parts of the Earth during a quake. (The bigger the waves, the bigger an earthquake.) Activity A: Reading a seismogram Get the Gizmo ready: Click Reset (). Students will have to read a seismogram. Regardless of what your business planning objectives, cash flow is still the most crucial resource in the organization, and managing money is the business function. From reading a seismogram worksheets to earthquake seismogram videos, quickly find teacher-reviewed educational resources. Seismic Waves is a browser-based tool to visualize the propagation of seismic waves from historic earthquakes through Earth’s interior and around its surface. This animation was used with permission from the United States Geological Survey (USGS), and can also be downloaded from their site. Scroll down past the map of the region you selected and read about measuring the S-P interval from the seismogram. Read more ». Look at the map and then read the paragraph about how to measure the S-P interval. In this earthquake learning exercise, students determine the magnitude of an earthquake based on the seismogram reading. 4. The students work in groups to represent an engineering firm that must analyze the seismograph for how it works and how to read the seismogram it creates. Ever wondered how to read the data on a seismogram? : Understanding P and S wave propogration through Earth. Earthquakes Living Lab: Finding Epicenters and Measuring Magnitudes Activity—Worksheet Example Answers 5 This is an opinion-based question, but expect students to bring in what they know about triangulation/distance calculation, seismograms/nomograms and/or the magnitude scale. 2. The IRIS Earthquake Browser (IEB) is an interactive tool for exploring millions of seismic event epicenters (normally earthquakes) on a map of the world. 4. It ends 72 hours later with the last line on Saturday, April 25, on 3:22 pm. 6. The Orphan Tsunami of 1700, now in its second edition, tells this scientific detective story through its North American and Japanese clues. regular newsletters, brochures, It begins with a brief review of the properties of the various types of seismic waves (previously covered in the accompanying slide set) and then asks the students to examine a set of seismograms recorded for an earthquake in Samoa. IRIS is governed according to By-laws. Both fiction and non-fiction are covered, spanning different genres e. Seismic stations detect earthquakes by the tracings made on seismographs. And they all have their favorite story forthat funny signal no one can explain. Seismographs record a zig-zag trace that shows the varying amplitude of ground oscillations beneath the instrument. This record is proportional to the motion of the seismometer mass relative to the earth, but it can be mathematically converted to a record of the absolute motion of the ground. 7. Many things in nature oscillate. For even more goodies, follow @IRIS_EPO on Twitter and youTube. Students complete the “Epicenter & Magnitude” activity on the Activity Website. Seismogram Showing Amplitude Master 33. The Virtual Earthquake program is running on a Web Server at California State University at Los Angeles. Seismology and the Earth’s Deep Interior Seismogram Interpretation Earth Structure InversionEarth Structure Inversion How to proceed to determine Earth structure from observed seismograms using travel times? In this activity, students use triangulation to locate an earthquake’s epicenter. Move the paper to the left of the chart. Featured below is a simple worksheet that allowed student to label parts of the seismograph and read a basic seismogram. More vibration… more wiggle. Science You need: Planner, pencil / pen BrainPOP Earthquake due Friday Test over Chapter 3 the 17th Parts of a Wave review Reading a Seismogram worksheet EDS pgs. The students work in groups to represent an engineering firm that must analyze the seismograph for how it works and how to read the seismogram it creates. Each plot represents 24 hours of data from one station. 5. hydrological, and hydroacoustic data. This can be done on the website. seismological community and general public Check that the Distance from the station to the center of earthquake . 11. This book is dedicated to the memory of Jean Vogt (1929 - 2005). Audience: This book is of value to seismologists, earthquake geologists, engineering seismologists, earth scientists and historians of catastrophes. Guiding Questions:-What is a seismogram?-What information is recorded on a seismogram?-How is a seismogram read?Instructions.Follow the … digital copies of our proposals and reviews finding the epicenter worksheet answer key. Also available is The International Handbook of Earthquake and Engineering Seismology, Part B. Two CD-ROMs containing additional material packaged with the text (Description taken from activity website) 3. Seismogram Showing Amplitude Master 33. 8. Emphasize that P-waves are faster than S-waves, and will be recorded first on a seismogram. Found insideA Book on Science- Teacher Manual. The ebook version does not contain CD. This particular text is written in collaboration by Drs Bradley Deline and Karen Tefend and Ms. Randa Harris with edits by Dr. Bonnie J. Robinson. Analyze and CritiqueBefore you read the chapter, write what you know about earth-quakes and volcanoes on the back of each flap. 6. Get ideas for your own presentations. Step 1: Reading a Seismogram You will need to know what P., 5., L, and R-waves look like on a seismogram in order to identify them correctly Each seismic wave causes the ground to shake differently (see Fig. IRIS consists of three directorates: Found inside – Page 2165The book consists of two parts and presents a cross-section of cutting-edge research in the field of computational earthquake physics. What is the distance from the epicenter of the station that recorded the earthquake in Figure 1? It is widely used by science educators worldwide. Seismometers measure vibrations. That can be very useful when there are lotsof earthquakes, as in this seismic swarm. Science B-7. The worksheet and labs will help students learn how to use a bullseye t-compass, determine the location of an epicenter on a map, analyze seismograms, and use the "Earthquake P-Wave and S-Wave Travel Time" graph on page 11 of the E ... Students will have to read a seismogram. Materials (for each pair) Record section. Many webicorders display 15 minutes per line,alternating colors as time passes. Found insideOur understanding of earthquakes and faulting processes has developed significantly since publication of the successful first edition of this book in 1990. find the epicenter worksheet answers. Do the following for each paragraph. Please Read Me!!! seismogram at each distance, and record the values in the table on the left. Pass out Northern California triangulation handout packet, compasses and rulers. As you read the chapter, add more information about earthquakes and volcanoes. to the operation of science facilities for the acquisition, Found inside – Page 45In the process of reading of these quantities , we used the program DADiSP ( The DADiSP Worksheet , 1991 ) . The difference is - t , was read out for waves ... Found inside – Page 99Learning Links Assessment Display a seismogram and explain what it represents and how ... Language Arts : Reading sentences , sequencing ideas , discussing ... Students arrange their seismograms. For even more goodies, follow @IRIS_EPO on Twitter and youTube. This playful animation created for the general public by the USGS describes what a seismogram is, how they are recorded and what to look for in the seismic traces recorded on a seismometer. From National Book Award nominee Edwidge Danticat comes a timely, brilliantly crafted story of hope and imagination--a powerful tribute to Haiti and children around the world! 1. Sometimes they just stop working, but sometimesthey just become noisy and unreliable. The book is a collaboration of faculty from Earth Science departments at Universities and Colleges across British Columbia and elsewhere"--BCcampus website. Make a graph: Plot your the graph to the right of the data table. Read all of the information on the page about earthquakes and epicenters. Then check readings from nearby instruments. Richter scale versus Mercalli scale Name_____ Close Read Annotation Instructions Read the material—one paragraph at a time. Refer to the travel-time graph. Found inside – Page 53The site contains worksheets to download and links to other educational sites ... You can search for information on earthquakes and read about the largest ... in the state of Delaware with its primary headquarters office Scientists use webicorders for a quick lookat current activity, but webicorders are really, just a blurry picture of the actual data Toreally understand what’s going on, they. A seismograph station in Montana can pick up an earthquake occurring in California. Education & Public Outreach (EPO). Go over notes on how to read a seismograph. Our mission is to advance awareness and understanding of seismology Get the “distance from the epicenter” from the graph you made earlier, Worksheet is suitable for 6th - 10th Grade. What is the S-P interval for the example seismogram? : New Manual of Seismological Observatory Practice by Peter Bormann, GFZ, Germany. located in Washington, DC. Contains videos, worksheets, websites, and activities for students. At what time did the P waves begin (Time in seconds)? Some seismometers measure only up and down. _____ miles More vibration = more wiggle. This includes ground motion, atmospheric, infrasonic, 3. At the end of the unit I had students study from the worksheets provided and I created an exam to assess their knowledge. The quiz and worksheet will help you practice the following skills: Reading comprehension - retain and apply information from the lesson on seismographs. The actual records of … Work with students. Here, traffic noise shows up on a seismicstation located a quarter mile from a road. Because P waves travel fastest, they appear fi rst on any seismogram, followed by S waves, and then surface waves. Instrumentation Services (IS), WhÄ does this graph show? Geographic Names Information System (GNIS), Mapping, Remote Sensing, and Geospatial Data. The class should conclude that according to the seismogram, the San Fernando Valley earthquake appears to be the most intense and would probably cause the most damage. 5. Found insideVolcanic Eruptions and Their Repose, Unrest, Precursors, and Timing identifies key science questions, research and observation priorities, and approaches for building a volcano science community capable of tackling them. each station’s seismogram and finally construct a graph for the S-P lag time versus distance traveled. _____ miles Seismogram Analysis Training Outline (PNSN), An Illustrated Guide to Reading a Seismogram (USGS). signal at Mount Scarrymore, don’t hesitateto seek the opinion of a professional seismologist. 3 Determine the distance to an earthquake at a station that receives P and S waves 5. A record section (Figure 1) is a special way of displaying a collection of seismograms from a single earthquake recorded at different points on Earth. Determine the difference in arrival time for each of the following: 8,000 km 9 min 20 sec 3,200 km 4 min 40 sec 5,200 km 7 min 00 sec 1,800 km3 min 10 sec 9,600 km 10 min 20 sec 4,400 km6 min 00 sec Reading a seismogram worksheet; How to read a seismogram; World Map with earthquakes and links to the seismogram readings; Mercalli Map worksheet; The Modified Mercalli Scale ; Mercalli Map of the 1906 SF Earthquake; HOMEWORK: Due Monday: Reading a seismogram ws AND Mercalli Map ws; Due Tuesday: Vocabulart page 1; Posted by Mrs. Hollister. This book describes the growth and origins of earthquake science and identifies research and data collection efforts that will strengthen the scientific and social contributions of this exciting new discipline. This edition includes new data to support his theories, helping to refute the opponents of his controversial views. 64 illustrations. Distance km 100 200 400 600 800 1000 At (s) 140 120 100 Time 80 Difference 60 (s) 40 20 200 400 600 800 1000 Distance (km) 5. At what time did the S waves begin (Time in seconds)? To figure out just where that earthquake happened, you need to look at your seismogram and you need to know what at least two other seismographs recorded for the same earthquake. In this plot, the data are clipped to allowviewing of other data. Oral reading and note taking fects of earth-quakes on model buildings fect of earth-quakes on people Cultures and legend origins Map study of cultures associated Includes: site-response analyses, behavior of seawalls, lifeline performance, damage to 4-story apartment buildings and much more. Over 100 photos, charts and diagrams. The recordings of these waves with the broadband seismometers of the Berkeley Digital Seismic Network allows the blogger to make good on a promise he made a while ago, namely to further explore how to read a seismogram. Theory of the Earth is a combination reference and textbook that every exploration geologist and research scientist should have on his/her bookshelf. Te. Introduction: An earthquake releases an enormous amount of energy, which passes through Earth’s interior in the form of body waves.There are two types of body waves: P-waves (primary waves) and S-waves (secondary waves).
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