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Do Earthquakes Always Occur on Faults?. The Great California ShakeOut. NO. Caused by sudden release of energy Tectonic earthquakes are focused on a fault Induced seismicity Volcanism. The Great California ShakeOut. Volcanism.

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Do earthquakes always occur on faults
Do Earthquakes Always Occur on Faults?

The Great California ShakeOut


NO

  • Caused by sudden release of energy

  • Tectonic earthquakes are focused on a fault

  • Induced seismicity

  • Volcanism

The Great California ShakeOut


Volcanism

  • Earthquakes caused by the movement of magma through the earth’s crust

  • Magma releases energy that causes shaking

Mount St. Helens Erupting

The Great California ShakeOut


Induced Seismicity

  • Extraction of fossil fuels or ground water

  • Reservoirs

  • Mining

  • Geothermal energy

The Great California ShakeOut


References

Chong, Kian H. "Fault Plane." USGS. N.p., n.d. Web.

"Earthquake." Wikipedia. Wikimedia Foundation, 06 June 2013. Web. 13 June 2013.

"Induced Seismicity." Wikipedia. Wikimedia Foundation, 06 Nov. 2013. Web. 19 June 2013.

"Mexico City, September 19, 1985." ANIMAL. N.p., n.d. Web. 20 June 2013.

The Great California ShakeOut


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