12.7.1 - What is an Earthquake?
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Practice Questions
Test your understanding with targeted questions
What is an earthquake?
💡 Hint: Think about what happens during a strong tremor.
What scale is used to measure earthquake magnitude?
💡 Hint: What do we use to measure the strength of earthquakes?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What causes an earthquake?
💡 Hint: Think about how the earth's layers interact.
Earthquakes can measure over 7 on which scale?
💡 Hint: This scale has a notable impact on how we classify earthquakes.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If an earthquake has a magnitude of 9 on the Richter scale, calculate how much more energy it releases compared to one of magnitude 6.
💡 Hint: Use the fact that each step up in magnitude is a power of 10.
Design a simple community plan for what to do during an earthquake in a seismic zone.
💡 Hint: Think about all locations—school, home, and public areas—how can they adapt?
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