Instructional Video

Iris: Magnitudes: Moment Magnitude Explained

Curated by ACT

Video clip provides a definition of moment magnitude and why it replaced the Richter Scale. [5:40]

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Additional Tags
measuring earthquakes, seismic moment, seismograms, seismometers, iris: magnitudes: moment magnitude explained, richter scale
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Classroom Considerations
  • Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)