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Earthquake | Definition, Causes, Effects, & Facts | Britannica
2025年1月30日 · 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, …
Earthquake - Wikipedia
In 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 …
What is an earthquake and what causes them to happen?
What is an earthquake and what causes them to happen? An earthquake is caused by a sudden slip on a fault. The tectonic plates are always slowly moving, but they get stuck at their edges …
What Is an Earthquake? | NASA Space Place – NASA Science for …
2025年1月14日 · What Is an Earthquake? An earthquake is an intense shaking of Earth’s surface. The shaking is caused by movements in Earth’s outermost layer. Why Do Earthquakes …
The Science of Earthquakes | U.S. Geological Survey - USGS.gov
An 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 …
Earthquakes: Definitions, Causes, Effect, Measurement - Geology …
2023年11月28日 · Earthquakes are natural geological phenomena that occur when there is a sudden release of energy in the Earth’s crust, resulting in seismic waves. These waves cause …
What is an Earthquake? - Geology Page
2017年10月23日 · An earthquake is the shaking of the surface of the Earth, resulting from the sudden release of energy in the Earth’s lithosphere that creates seismic waves. Earthquakes …
6.1: What is an Earthquake? - Geosciences LibreTexts
2023年11月24日 · An earthquake is the shaking caused by the rupture (breaking) and subsequent displacement of rocks (one body of rock moving with respect to another) beneath the Earth’s …
Introduction to Earthquake
5 天之前 · What is an earthquake? An earthquake is a weak to violent shaking of the ground produced by the sudden movement of rock materials below the earth’s surface. The …
Earthquake - Protection, Definition, Causes, Effects, Precaution
Earthquake is a natural disaster that results due to tectonic movement in the earth's crust. The seismic waves travel in all the direction and the effect is seen more if the waves are near the …