Tuesday, October 27, 2015

What causes earthquakes?

What causes earthquakes?



Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little.
Why Do Earthquakes Happen?
http://www.pageclues.com/what-factors-cause-earthquakes/
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What causes Earthquakes? - Geoscience Australia
www.ga.gov.au/scientific-topics/hazards/earthquake/basics/causes
Earthquakes are the vibrations caused by rocks breaking under stress. The underground surface along which the rock breaks and moves is called a fault plane. Earthquakes in Australia are usually caused by movements along faults as a result of compression in the Earth's crust.
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 of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little.
In the news
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National Geographic‎ - 19 hours ago
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Strong earthquake in Afghanistan kills more than 150 people
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More news for What causes earthquakes?
What is an earthquake and what causes them to ... - USGS
www.usgs.gov/faq/categories/9827/3343
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 due to friction. When the ...
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The Causes of Earthquakes 
study.com/academy/lesson/the-causes-of-earthquakes.html
In this video lesson you will learn what causes earthquakes and where they occur. You will also understand the theory of elastic rebound, and how...
Earthquakes & Tsunamis: Causes & Information - LiveScience
www.livescience.com/21486-earthquakes-causes.html
Apr 20, 2015 - Earthquakes occur every day, but most people don't notice the small ones. Here's what causes earthquakes.
The Causes of Earthquakes - SOEST - University of Hawaii
https://www.soest.hawaii.edu/GG/ASK/earthquakes.html
What causes earthquakes? The short answer is that earthquakes are caused by faulting, a sudden lateral or vertical movement of rock along a rupture (break) ...
What Causes an Earthquake? Faults Explained
news.nationalgeographic.com/.../140115-earthquakes-california-faults-sc...
Jan 15, 2014 - What was that you felt? Faults deep underground produce different kinds of earthquakes.
Earthquake - Wikipedia, the free encyclopedia
http://www.pageclues.com/what-factors-cause-earthquakes/
Magnitude 3 or lower earthquakes are mostly almost imperceptible or weak and magnitude 7 and over potentially cause serious damage over larger areas, ...
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