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Earthquake

en.wikipedia.org/wiki/Earthquake

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

Why Do Earthquakes Happen?

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

Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden ... When the rocks break, the earthquake occurs. During the ...

www.ask.com/youtube?q=How Do Earthquakes Occur?&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?

How Earthquakes Happen - Universe Today

www.universetoday.com/82050/how-earthquakes-happen/

The two main answers to 'how earthquakes happen' is: as a result of tectonic plates colliding and volcanic eruption. The shock ... How Do Volcanoes Erupt?

Why do earthquakes happen?| Explore | physics.org

www.physics.org/article-questions.asp?id=50

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 ...

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 ...

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

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

In this video lesson you will learn what causes earthquakes and where they occur. ... the plates keep moving even though the part stuck along the fault does not, ...

How do earthquakes occur? | Reference.com

www.reference.com/science/earthquakes-occur-474089fbad546a3f

Earthquakes occur when two blocks of earth suddenly slip past each other. This sudden release of energy causes the seismic waves that make the ground ...

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  ...

Answer
Earthquakes are caused by an abrupt shift of rock along a fracture in the Earth.
Most earthquakes are caused by slow movements inside the Earth that push against the Earth's brittle, relatively thin outer layer, causing the rocks to break suddenly.
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The Science of Earthquakes

earthquake.usgs.gov

Apr 7, 2016 ... These are smaller earthquakes that occur afterwards in the same place as the ... What causes earthquakes and where do they happen?

Steps of earthquake formation - eSchooltoday

eschooltoday.com

Earthquakes form when techtonic plates move against each other as a result of pressure caused ... How does an earthquake occur ... How do earthquakes form?

Why do earthquakes occur?

earth.rice.edu

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 ...