Web Results

en.wikipedia.org/wiki/Earthquake

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

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 ...

earthquake.usgs.gov/learn/kids/eqscience.php

These are smaller earthquakes that occur afterwards in the same place as the mainshock. Depending ... What causes earthquakes and where do they happen?

www.ask.com/youtube?q=How+Do+Earthquakes+Occur%3F&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 ...

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.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 ...

www.americangeosciences.org/critical-issues/faq/why-and-where-do-earthquakes-happen

Why do earthquakes happen? The rocks that make up the crust of the Earth are full of fractures. On some of these fractures – known as faults – rocks slip past ...

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 ...

www.bgs.ac.uk/discoveringGeology/hazards/earthquakes/whyWhere.html

Why and where do earthquakes occur? World Seismicity A map of the world's earthquakes shows that most of them lie in narrow zones, often around the edges  ...