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Students learn the two main methods to measure earthquakes, the Richter Scale and the Mercalli Scale. Students are challenged by the associated activities to make a model of a seismograph—a measuring device that records an earthquake on a seismogram.
By building your own seismograph to document shaking, you and your children will learn about the cause of earthquakes and how scientists measure earthquake intensity.
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How do students measure earthquake magnitude?
How do you measure earthquake intensity?
What methods are used to measure earthquakes?
How is earthquake size measured?
Earthquakes are recorded by a seismographic network. Each seismic station in the network measures the movement of the ground at that site. The slip of one block of rock over another in an earthquake releases energy that makes the ground vibrate.
The Richter scale is logarithmic, with each step up the scale marking a tenfold increase in quake strength—a 4.0 quake on the Richter scale, for instance, releases 10 times the energy of a 3.0 earthquake.
Objectives. In this lesson, you and your children will: 1. learn about the cause of earthquakes, 2. learn about how scientists measure earthquake intensity, 3. build their own seismograph to measure shaking. Materials.
Nov 26, 2013 · Students learn how engineers characterize earthquakes through seismic data. Then, acting as engineers, they use real-world seismograph data and a tutorial/simulation accessed through the Earthquakes Living Lab to locate earthquake epicenters via triangulation and determine earthquake magnitudes.
Describes the scales scientists use to indicate the intensity and magnitude of an earthquake including the Mercalli, Richter, and moment magnitude.
