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Earthquake magnitude is commonly used to represent the size of an earthquake. However, most people want to understand how much impact or damage earthquakes do. These two concepts are linked by shaking. Earthquake magnitude can be measured in a variety of ways, most commonly moment magnitude or Richter magnitude. Shaking is measured in units of acceleration, (often a percentage of g). Damage or intensity can be measured by the modified Mercalli intensity (MMI) scale. In this activity, students will model earthquakes of various magnitudes to determine the amount of shaking that these quakes will cause. They will then convert the shaking to modified Mercalli intensity and generate an isoseismal map for a M8 and M6 earthquake. Uses geophysics to solve problems in other fields Addresses student misconceptions
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