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earthquake volcano
| Term | Definition |
|---|---|
| earthquake | the sudden, rapid shaking of the Earth's surface caused by the release of energy in the lithosphere, usually due to tectonic plates shifting along a fault. |
| fault | an unattractive or unsatisfactory feature, especially in a piece of work or in a person's character. "my worst fault is impatience" |
| seismic wave | an elastic wave in the earth produced by an earthquake or other means. |
| focus | the precise point inside the Earth where an earthquake rupture starts and seismic energy is first released |
| epicenter | the point on the earth's surface vertically above the focus of an earthquake |
| volcano | a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust. |
| hot spot | . a small area or region with a relatively hot temperature in comparison to its surroundings. |