Earthquake Intensity: What controls the shaking you feel during an earthquake?

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Link to Resource: https://www.iris.edu/hq/inclass/animation/earthquake_intensity
Resource Type:Classroom Activities; Curricula and Instruction
Grade Level:
9 10 11 12
Language:English
Organization:Incorporated Research Institutions for Seismology (IRIS)
Summary:We compare a light bulb to an earthquake to clarify the difference between magnitude and intensity, two concepts that are often used interchangably, but in error. Though both are related to a measured earthquake, intensity reflects what is felt during an earthquake at many locations, and the magnitude is a single measured value. Intensity was originally calculated by gathering personal, anecdotal reports during an earthquake, but the definitive intensity is assigned either via Did You Feel It (DYFI), or via expert judgement, as was done historically. This resource included animations and lessons on earthquake intensity.
Earth Science Big Ideas:Big Idea 1; Big Idea 8
NGSS Discplinary Core Ideas:ESS3.B
NGSS Performance Expectations:HS-ESS3-1
NGSS Science and Engineering Practices:Constructing explanations (for science) and designing solutions (for engineering)
NGSS Crosscutting Concepts:Cause and effect: Mechanism and explanation
Subjects: 9-12; animation; earth; earth science; earthquake; geoscience; high school; lesson; natural hazards; plate tectonics; seismology
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