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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 ... Tectonic earthquakes occur anywhere in the earth where there is sufficient stored elastic strain e...

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 release ... That's just what happens along a strike-slip fault.

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?

www.ask.com/youtube?q=Why Do Earthquakes Happen?&v=T0AEtX-uPLA
Sep 5, 2012 ... This is a social science video that answers - What is earthquake? - How does ... How does Earthquake occur with explanation - Social Science 3D animation video in HD. Elearnin .... Reply 56. Menino do tijao4 days ago.

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 ...

Steps of earthquake formation - eSchooltoday

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

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 Happen? - IRIS

www.iris.edu/hq/inclass/downloads/download/9

In many ways, earthquakes are one of nature's reminders that we are living on the thin outer crust of a planet whose interior is still cooling. Earthquakes happen  ...

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 ...

The Economist explains: Where earthquakes happen, and why | The ...

www.economist.com/blogs/economist-explains/2015/05/economist-explains-15

May 12, 2015 ... THE massive earthquakes that hit Nepal on April 25th and May ... 7.8 and 7.3 respectively—took place, as most large earthquakes do, on a...

Why do Earthquakes Happen?- Incorporated Research Institutions ...

www.iris.edu/hq/inclass/fact-sheet/why_do_earthquakes_happen

In general, earthquakes occur when plates move under, over, or slide past each other. The plates are moving in millimeters per year--about as fast as your ...

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 - USGS Earthquake Hazards Program

earthquake.usgs.gov

Apr 7, 2016 ... An earthquake is what happens when two blocks of the earth suddenly slip past one ... What causes earthquakes and where do they happen?

How do earthquakes occur? | Reference.com

www.reference.com

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 ...

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 ... How Do Volcanoes Erupt?