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- Students will learn to distinguish measurements of earthquake magnitude from those of intensity.
- This activity is intended to be used after the previous lesson (Introduction to the Quake-Catcher Network and Lab). We recommend attempting this activity in the classroom ahead of time prior to having the students complete the worksheet because some types of flooring may prevent the activity from producing the expected results.
- This activity was developed for use in a high school (grades 9-12) earth science class. The goal of this lesson is for students to learn the differences between magnitude and intensity. Lesson duration: 45 minutes.
- Student assessment based on classroom interaction is best for this exercise.
- The accompanying slides can be used in advance or as follow-up material, and include a link to a magnitude applet online to demonstrate how the magnitude of an earthquake can be measured from seismograms.
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Richter Scale
USGS Intensity Map
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- Grade Level: 9-12
- Time Frame: 45 minutes
- California Science Standard 3d: "Plate tectonics operating over geologic time has changed the patterns of land, sea, and mountains on Earth’s surface. As the basis for understanding this concept: Students know why and how earthquakes occur and the scales used to measure their intensity and magnitude."
- California Science Standard 9b: "The geology of California underlies the state’s wealth of natural resources as well as its natural hazards. As a basis for understanding this concept: Students know the principal natural hazards in different California regions and the geologic basis of those hazards."
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Design EarthRef.org
Sponsored by NSF and NSDL
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