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# Scales that Represent Earthquake Magnitude

## Scientists use different scales to indicate the intensity and magnitude of an earthquake including the Mercalli, Richter and moment magnitude.

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## Scales that Represent Earthquake Magnitude

by CK-12 //at grade
Covers the scales scientists use to measure the size and intensity of earthquakes.
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• PLIX

## Scientific Notation: Richter Scale Exponents

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Scales that Represent Earthquake Magnitude Interactive
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• Video

## Measuring Earthquakes

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Explains how scientists measure the power of earthquakes by using the Richter Scale and the Moment Magnitude Scale.
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• Video

## How Do We Measure Earthquakes?

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Learn how earthquakes are measured.
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• Lesson Plan

## A Whole Lot of Shakin' Goin' On! Lesson Plan

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Students collect data to compare the 1906 and 1989 California earthquakes, and determine the factors that influence the amount of shaking that occurs in an area due to an earthquake.
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• Downloadable Quiz

## Scales that Represent Earthquake Magnitude Quiz

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Quiz on Scales that Represent Earthquake Magnitude
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• Critical Thinking

## Scales that Represent Earthquake Magnitude Discussion Questions

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A list of student-submitted discussion questions for Scales that Represent Earthquake Magnitude.
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• Real World Application

## Did You Feel It

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Students will enter their own earthquake data on USGS site and look at the impact that citizen-driven data collection can have
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• Real World Application

## Loma Prieta 1989

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Reviews what scientists have learned in the quarter century since the Loma Prieta earthquake of 1989.
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• Study Guide

## Scales that Represent Earthquake Magnitude Study Guide

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This study guide summarizes the key points of Scales that Represent Earthquake Magnitude.
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