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The short answer is that earthquakes are caused by faulting, a sudden lateral or vertical movement of rock along a rupture (break) surface. Here's the longer answer: The surface of the Earth is in continuous slow motion.
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www.soest.hawaii.edu/GG/ASK/earthquakes.html
www.soest.hawaii.edu/GG/ASK/earthquakes.html
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Earth scientists believe that 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. This outer layer is fragmented into a number of pieces, called plates.
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vulcan.wr.usgs.gov/Glossary/Seismicity/what_causes_eart...
vulcan.wr.usgs.gov/Glossary/Seismicity/what_causes_earthquakes.html
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The map below locates earthquakes around the globe. They are not evenly distributed; ... The map below of Earth's solid surface shows many of the features caused by plate tectonics. The oceanic ridges are the asthenospheric spreading centers, creating new oceanic crust. Subduction zones appear as deep oceanic trenches.
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www.seismo.unr.edu/ftp/pub/louie/class/100/plate-tecton...
www.seismo.unr.edu/ftp/pub/louie/class/100/plate-tectonics.html
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well,it is really depending on the weather Earthquakes are the result of Tectonic Plate shift. When one plate slips past the other it causes a disruptive vibration which is felt as an earthquake
http://wiki.answers.com/Q/How_are_eathquake's_caused
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The earth is divided into six major n seven minor plates which r in constant motion with each other the borders of the plates gets crumbled. There are three type of motions in the plate :- 1 Divergent Motion :- In this type the borders of t...
http://answers.yahoo.com/question/index?qid=20091101063...
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As recently witnessed in China and Iceland, an earthquake is one of the most terrifying phenomena that nature can whip up. We generally think of the ground we stand on as "rock-solid" and completely stable. An earthquake can shatt...
http://www.howstuffworks.com/earthquake.htm
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U.S. scientists used satellite gravity measurements to determine recent Pacific Rim earthquakes produced deformations in Earth's gravity field. ... The scientists found gravitational field disturbances caused by the earthquakes extend more than 1,100 miles along the Andaman and Sunda subduction zones.
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www.upi.com/NewsTrack/Science/2007/08/02/study_earthqua...
www.upi.com/NewsTrack/Science/2007/08/02/study_earthquakes_caused_gravity_changes/9406/
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current.com — Nikola Tesla is arguably the greatest inventive genius of the modern age. ... That's because he invented most of the technology we depend on every day, like alternating current electricity, radio, x-ray, etc Some people think that many of these are still being expanded upon today for ... email this story...
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digg.com/general_sciences/Recent_Earthquakes_caused_by_...
digg.com/general_sciences/Recent_Earthquakes_caused_by_HAARP_Earthquake_Machine
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realufos.net — Nikola Tesla is arguably the greatest inventive genius of the modern age. ... That's because he invented most of the technology we depend on every day, like alternating current electricity, radio, x-ray, etc Some people think that many of these are still being expanded upon today for ... email this story...
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digg.com/general_sciences/Recent_Earthquakes_caused_by_...
digg.com/general_sciences/Recent_Earthquakes_caused_by_HAARP_Earthquake_Machine_2/who
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