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Earthquake

en.wikipedia.org/wiki/Earthquake

An earthquake is the perceptible shaking of the surface of the Earth, resulting from the sudden ... Most fault surfaces do have such asperities and this leads to a form of stick-slip behavior. Once ...

Why Do Earthquakes Happen?

www.geo.mtu.edu/UPSeis/why.html

Earthquakes are usually caused when rock underground suddenly breaks along a ... Sometimes seismic waves occur when the roof or walls of a mine collapse.

How Earthquakes form - eSchooltoday

eschooltoday.com/natural-disasters/earthquakes/how-do-earthquakes-occur.html

How do earthquakes form? Let us imagine what goes on in the outer crust with the help of this diagram. earth crust earthquake formation Earthquakes develop in ...

www.ask.com/youtube?q=How Do Earthquakes Form?&v=T0AEtX-uPLA
Sep 5, 2012 ... This is a social science video that answers - What is earthquake? ... How does Earthquake occur with explanation - Social Science 3D ...

Why Earthquakes Occur | FEMA.gov

www.fema.gov/why-earthquakes-occur

Dec 23, 2015 ... An earthquake is ground shaking caused by a sudden movement of rock in the earth's crust. ... What are earthquakes and why do they occur?

The Causes of Earthquakes - Video & Lesson Transcript | Study.com

study.com/academy/lesson/the-causes-of-earthquakes.html

Earthquakes happen deep underground along tectonic plate boundaries. ... that the plates keep moving even though the part stuck along the fault does not, ...

BBC - GCSE Bitesize: Causes

www.bbc.co.uk/schools/gcsebitesize/geography/natural_hazards/earthquakes_rev1.shtml

Earthquakes occur when tension is released from inside the crust. Plates do not always move smoothly alongside each other and sometimes get stuck. When ...

Why do earthquakes occur?

earth.rice.edu/mtpe/geo/geosphere/hot/3earthquakes.html

Earthquakes are the phenomena experienced during sudden movements of the Earth's crust. Under the Earth's crust lies the asthenosphere, the upper part of ...

What is an Earthquake? - Geoscience Australia

www.ga.gov.au/scientific-topics/hazards/earthquake/basics/what

Where do Earthquakes Occur? ... Fortunately, smaller earthquakes occur much more frequently than large ones and most cause little or no damage. Earthquake  ...

Earthquakes - Weather Wiz Kids weather information for kids

www.weatherwizkids.com/weather-earthquake.htm

More than a million earthquakes rattle the world each year. The West Coast is most at risk of having an earthquake, but earthquakes can happen in the Midwest  ...

Answer
An earthquake is the shaking of the ground caused by an abrupt shift of rock along a fracture in the Earth, called a fault.
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The Science of Earthquakes

earthquake.usgs.gov

Apr 7, 2016 ... What causes earthquakes and where do they happen? ... from the fault in all directions in the form of seismic waves like ripples on a pond.

How Earthquakes Happen - Universe Today

www.universetoday.com

The two main answers to 'how earthquakes happen' is: as a result of tectonic plates colliding and volcanic eruption. The shock waves associated with nuclea.

Why do earthquakes happen?| Explore | physics.org

www.physics.org

Just like a giant, spherical puzzle, the outer layer of the Earth's crust is made up of many pieces, known as tectonic plates (see picture below). Earthquakes ...