Expert: Wastewater well in Ohio triggered quakes
A northeast Ohio well used to dispose of wastewater from oil and gas drilling almost certainly caused a series of 11 minor quakes in the Youngstown area since last spring, a seismologist investigating...
View ArticleStudy finds correlation between injection wells, small earthquakes
Most earthquakes in the Barnett Shale region of north Texas occur within a few miles of one or more injection wells used to dispose of wastes associated with petroleum production such as hydraulic...
View ArticleSurvey finds consensus on shale drilling's biggest risks
Storage and treatment of liquid drilling wastes, air emissions of methane, water withdrawals for drilling, and site construction are among the biggest problems facing shale gas drilling.
View ArticleDistant quakes trigger tremors at US waste-injection sites, says study
Large earthquakes from distant parts of the globe are setting off tremors around waste-fluid injection wells in the central United States, says a new study. Furthermore, such triggering of minor quakes...
View ArticleScientists to deploy seismic monitors near Azle in North Texas
Seismologists from SMU will deploy a variety of seismic monitors in and around Azle, Texas, to study the recent burst of small earthquakes that have been occurring in the area northwest of Fort Worth.
View ArticleUSGS says seven small earthquakes shake central Oklahoma
The U.S. Geological Survey has recorded seven small earthquakes shaking central Oklahoma in a span of about 14 hours.
View ArticleAnswers on link between injection wells and quakes
States where hydraulic fracturing is taking place are experiencing unprecedented earthquake activity.
View ArticleWastewater injection is culprit for most quakes in southern Colorado and...
The deep injection of wastewater underground is responsible for the dramatic rise in the number of earthquakes in Colorado and New Mexico since 2001, according to a study to be published in the...
View ArticleScientists look for what's causing Texas earthquakes
Swarms of small quakes rippled up from unknown faults beneath the soil. They rustled Cleburne, Azle and Irving. Fifteen recent earthquakes around the old Texas Stadium in Irving site included the...
View ArticleStudy links swarm of quakes in Texas to natural gas drilling (Update)
A seismology team led by Southern Methodist University (SMU), Dallas, finds that high volumes of wastewater injection combined with saltwater (brine) extraction from natural gas wells is the most...
View ArticleNatural gas firm asked to show it's not causing Texas quakes
A natural gas extraction company controlled by energy giant Exxon Mobil sought to prove Wednesday that it is not to blame for a recent rash of small earthquakes in North Texas, telling a powerful state...
View ArticleUS mid-continent seismicity linked to high-rate injection wells
A dramatic increase in the rate of earthquakes in the central and eastern U.S. since 2009 is associated with fluid injection wells used in oil and gas development, says a new study by the University of...
View ArticleTexas regulator clears oil and gas company of causing quakes
The regulatory agency overseeing Texas' oil and gas industry has determined that a series of small earthquakes in North Texas likely wasn't caused by drilling operations by an Exxon Mobil subsidiary.
View Article
