Keyword Analysis & Research: earthquake definition

britannica.com

https://www.britannica.com/science/earthquake-geology

WebApr 18, 2024 · Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. Learn more about the causes and effects of earthquakes in this article.

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wikipedia.org

https://en.wikipedia.org/wiki/Earthquake

WebIn its most general sense, an earthquake is any seismic event—whether natural or caused by humans—that generates seismic waves. Earthquakes are caused mostly by the rupture of geological faults but also by other events such as volcanic activity, landslides, mine blasts, fracking and nuclear tests.

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nasa.gov

https://spaceplace.nasa.gov/earthquakes/en/

WebApr 17, 2024 · An earthquake is an intense shaking of Earth’s surface. The shaking is caused by movements in Earth’s outermost layer. Why Do Earthquakes Happen? Although the Earth looks like a pretty solid place from the surface, it’s actually extremely active just below the surface.

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usgs.gov

https://www.usgs.gov/faqs/what-earthquake-and-what-causes-them-happen

WebAn earthquake is caused by a sudden slip on a fault. The tectonic plates are always slowly moving, but they get stuck at their edges due to friction. When the stress on the edge overcomes the friction, there is an earthquake that releases energy in waves that travel through the earth's crust and cause the shaking that we feel.

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merriam-webster.com

https://www.merriam-webster.com/dictionary/earthquake

WebThe meaning of EARTHQUAKE is a shaking or trembling of the earth that is volcanic or tectonic in origin. How to use earthquake in a sentence.

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usgs.gov

https://www.usgs.gov/programs/earthquake-hazards/science-earthquakes

WebAn earthquake is what happens when two blocks of the earth suddenly slip past one another. The surface where they slip is called the fault or fault plane . The location below the earth’s surface where the earthquake starts is called the hypocenter , and the location directly above it on the surface of the earth is called the epicenter .

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nationalgeographic.org

https://www.nationalgeographic.org/encyclopedia/earthquakes/

WebOct 19, 2023 · Hundreds of earthquakes occur on Earth everyday. Most of them are small, barely detectable by most people. But occasionally there is a much more significant quake. On average, a major earthquake —one with a magnitude of 7.0-7.9—strikes somewhere on the planet more than once a month.

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dictionary.com

https://www.dictionary.com/browse/earthquake

Webnoun. earthquake. / ûrth ′ kwāk′ /. A sudden movement of the Earth's lithosphere (its crust and upper mantle). Earthquakes are caused by the release of built-up stress within rocks along geologic faults or by the movement of magma in volcanic areas. They are usually followed by aftershocks.

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cambridge.org

https://dictionary.cambridge.org/dictionary/english/earthquake

WebEARTHQUAKE definition: 1. a sudden violent movement of the earth's surface, sometimes causing great damage: 2. a sudden…. Learn more.

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nationalgeographic.com

https://www.nationalgeographic.com/environment/article/earthquakes

WebFeb 6, 2023 · Most earthquakes occur at fault zones, where tectonic plates —giant rock slabs that make up Earth's upper layer—collide or slide against each other. These impacts are usually gradual and ... definition

definition

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