Topic: Cliff frohlich

Gas Injection Probably Triggered Small Earthquakes Near Snyder, Texas

Nov. 4, 2013

[caption id="attachment_43054" align="alignright" width="251" caption="Map showing 20092011 earthquakes located in this study (red circles), gas injection wells active since 2004 (yellow squares), and focal mechanisms for regional events (beach balls). A series of small quakes occurred in the same region in 1979 and 1980 (green circles) and may have been related to injection of water for enhanced oil recovery. Sources: EarthScope, Texas Railroad Commission, S.T. Harding, and St. Louis University. Illustration: Cliff Frohlich/University of Texas at Austin."]Earthquake and Injection Map[/caption]

AUSTIN, Texas  A new study correlates a series of small earthquakes near Snyder, Texas between 2006 and 2011 with the underground injection of large volumes of gas, primarily carbon dioxide (CO2) a finding that is relevant to the process of capturing and storing CO2 underground.

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Study Finds Correlation Between Injection Wells and Small Earthquakes

Aug. 6, 2012

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 fracturing fluids, according to new research from The University of Texas at Austin.

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Tsunami Risk Higher in Los Angeles, Other Major Cities

Oct. 10, 2010

Geologists studying the Jan. 12 Haiti earthquake say the risk of destructive tsunamis is higher than expected in places such as Kingston, Istanbul and Los Angeles.

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