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6 March 2014 1:04 pm ,
Vol. 343 ,
Magdalena Koziol, a former postdoc at Yale University, was the victim of scientific sabotage. Now, she is suing the...
Antiretroviral drugs can protect people from becoming infected by HIV. But so-called pre-exposure prophylaxis, or PrEP...
Two studies show that eating a diet low in protein and high in carbohydrates is linked to a longer, healthier life, and...
Considered an icon of conservation science, researchers at World Wildlife Fund (WWF) headquarters in Washington, D.C.,...
The new atlas, which shows the distribution of important trace metals and other substances, is the first product of...
Early in April, the first of a fleet of environmental monitoring satellites will lift off from Europe's spaceport in...
Since 2000, U.S. government health research agencies have spent almost $1 billion on an effort to churn out thousands...
- 6 March 2014 1:04 pm , Vol. 343 , #6175
- About Us
Live Chat: Human-Triggered Earthquakes
18 April 2012 8:57 am
See below for the chat box. Join us each Thursday at 3 p.m. EDT for a live conversation with leading scientists and expert reporters.
Getting rid of wastewater by injecting it into deep rock formations has been shaking things up lately. Scientists have been making a connection between deep disposal and quakes in such places as New Mexico, Texas, Ohio, and Arkansas, but they are only now beginning to learn how to predict when messing with Mother Nature is ill-advised. Is there a connection between "fracking"—the brief, high-pressure injection of water into Earth’s crust to free up natural gas—and any of the quakes that have happened lately? How big could triggered quakes be? And is there any hope for anticipating which deep injections will set off intolerable seismic activity?
Join us for a live chat at 3 p.m. EDT on Thursday, 19 April, on this page. You can leave your questions in the comment box below before the chat starts. The full text of the chat will be archived on this page.
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Seismologist William Ellsworth has been investigating the workings of earthquake faults for 40 years at the U.S. Geological Survey in Menlo Park. He is currently involved in a study of the recent quake clusters in the central United States, some of which were clearly triggered by fluid injection.
Seismologist Stephen Horton of the University of Memphis’s Center for Earthquake Research and Information works on central United States quakes. He recently published a study linking wastewater injection in Arkansas with a string of small quakes there.