Why Earthquakes Happen
Understand that earthquakes happen when rocks underground suddenly move or break, releasing energy that shakes the ground
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1858 concepts · 9 subjects
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Teaching approaches
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Distinguish underground earthquake cause from surface effects.
Distinguish underground earthquake cause from surface effects.
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Learning resources
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USGS · Practice link — not the full lesson
Earthquake Hazards Program
Before you open · source notes
Earthquake Hazards Program supports Why Earthquakes Happen. An adult previews and guides; this is a learning page, not a scored quiz.
Free educational page, no sign-in required for the tested path.
Before you openAsk the learner one fact they learned and one question they still have.
Opening this link does not save learning or assess mastery.
Source, access and review notes
Public USGS page. An anonymous GET on 2026-11-12 returned HTTP 200 with no login or payment prompt for this URL. Opening the link does not save practice or assess mastery. An adult should preview and guide the learner.
USGS. “Earthquake Hazards Program.” External page; Gakuva does not copy, host, embed, or redistribute materials.
Unknown — link only
Check understanding
- Explain that earthquakes are caused by rocks underground suddenly moving
- Describe how this movement sends shaking through the surrounding ground
- Distinguish between the underground cause and the surface effects of an earthquake
“If your child felt a small tremor or saw footage of an earthquake, could they explain that it happens because rocks deep underground suddenly shift or crack?”
Curriculum record
- Type
- Conceptual
- Subject
- Science
- Domain
- Volcanoes & Earthquakes
- Age range
- Ages 7–11
Standards