een wereldwijd elektriciteitsnet een oplossing voor veel problemen  GENI es una institución de investigación y educación-enfocada en la interconexión de rejillas de electricidad entre naciones.  ??????. ????????????????????????????????????  nous proposons la construction d’un réseau électrique reliant pays et continents basé sur les ressources renouvelables  Unser Planet ist mit einem enormen Potential an erneuerbaren Energiequellen - Da es heutzutage m` glich ist, Strom wirtschaftlich , können diese regenerativen Energiequellen einige der konventionellen betriebenen Kraftwerke ersetzen.  한국어/Korean  utilizando transmissores de alta potência em áreas remotas, e mudar a força via linha de transmissões de alta-voltagem, podemos alcançar 7000 quilómetros, conectando nações e continentes    
What's Geni? Endorsements Global Issues Library Policy Projects Support GENI
Add news to your site >>

Global Issues >> Natural Disasters & Intelligent Recovery >> Earthquakes

Earthquakes:Can Wastewater Injection from Fracking Cause Earthquakes?

Haiti January 2010 - Earthquakes - Global Issues - Index - Issues - GENI - Global Energy Network Institute

Posted by Bill Sweet   | Jul 11, 2013

Hydraulic fracturing to release gas or oil trapped deep underground in shale rock is of course highly contested. In environmental circles and on the political left, indeed, the "politically correct" view seems to be that fracking is just as bad as nuclear energy, however much each might contribute to energy security or greenhouse gas reduction. The wider mainstream view—and this is the attitude explicitly embraced by the Obama administration—is that fracking can be good if properly regulated to minimize negative effects on the environment, especially on water. That position may be complicated, however, by results of  new study appearing Friday in Science, which strongly suggest that wastewater injection in fracking operations can significantly aggravate earthquake risks.

The study, led by Nicholas van der Elst of Columbia University's Lamont-Doherty Earth Observatory, finds that a severe Chilean earthquake on 27 February 2010 triggered, less than a day later, a significant earthquake in Prague, Oklahoma, where there was a set of water injection wells. Unusual seismic activity continued near Prague for almost two years until late November 2011, when an earthquake destroyed 14 homes and injured two people, according to a Lamont-Doherty press release. Then, in April 2012, a major earthquake in Sumatra triggered yet another earthquake near the Prague wells, where injection continues.

The Science article builds on an earlier study that appeared in Geology last March, in which a team of Lamont Doherty scientists hypothesized that high-pressure injection of water in a seismically active area could cause a known fault to "jump." “When you overpressure the fault, you reduce the stress that’s pinning the fault into place and that’s when earthquakes happen,” said Heather Savage, a co-author of both the older and newer reports.

Besides affecting Prague, the Chilean quake also is believed to have set off a temblor in Trinidad, Colorado, where suspicions about water injection and seismicity already had attracted the attention of the U.S. Geolorgic Survey. Japan's devastating earthquake of March 2011 is thought to have triggered a temblor in the West Texas town of Snyder, where high-pressure water injection was taking place.

The van der Elst research in Science appears together with other articles about how human activity may be affecting earthquake risks.


Photo: John Leeman/The Earth Institute, Columbia University


Keyword phrases (earthquakes):

Related Links

Updated: 2016/06/30

If you speak another language fluently and you liked this page, make a contribution by translating it! For additional translations check out (Voor vertaling van Engels tot Nederlands) (For oversettelse fra Engelsk til Norsk)
(Для дополнительных переводов проверяют )

[an error occurred while processing this directive]