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Chapter 10, Section 2

Chapter 12, Section 2. Chapter 10, Section 2. Create a flashcard for each of the following terms (found on p.301 in your text book). Seismograph Seismogram Magnitude Intensity If you finish early, study your flashcards!. Key Terms.

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Chapter 10, Section 2

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  1. Chapter 12, Section 2 Chapter 10, Section 2

  2. Create a flashcard for each of the following terms (found on p.301 in your text book). • Seismograph • Seismogram • Magnitude • Intensity If you finish early, study your flashcards! Key Terms

  3. SEISMOGRAPH is a device that detects and records vibrations in the ground. • A SEISMOGRAPH is composed of 3 sensing devices: • Vertical Motion • North-South Motion • East-West Motion • Seismographs record motion by tracing wave shaped lines onto paper • A tracing of Earthquake motion is called a SEISMOGRAM. • P waves are always recorded first, then S waves Recording Earthquakes

  4. Distance to Epicenter= analyze arrival time of P and S waves. Locate the Epicenter = computers triangulate information from AT LEAST 3 seismograph stations. Locating an earthquake

  5. MAGNITUDE= the measure of the strength of an earthquake; the amount of ENERGY released. Magnitude is determined by measuring the amount of ground motion. Richter scale= most common measure of ground motion Moment Magnitude scale= newer scale, measures the strength based on the size of the area of the fault that moves. Earthquake Measurement

  6. Mercalli Intensity Scale measures how much damageis caused by an earthquake. Intensity

  7. Name the tool scientists use to measure and record data from Earthquakes: ___________. Which wave is recorded first? __________ How many seismographs are needed to locate the epicenter? _______________ Quick Check!!

  8. Brain pop Earthquakes

  9. Finding an Epicenter Lab Assessment

  10. Daily Quiz

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