This is the second of two parts on the use of seismic emission tomography (SET) to directly map reservoir permeability fields. Dec. 18, 2006 9 min read This is the second of two parts on the use of ...

Because of Earth's layered composition, scientists have often compared the basic arrangement of its interior to that of an onion. There's the familiar thin crust of continents and ocean floors; the ...

Scientists have compiled the most comprehensive map yet of tectonic stress magnitudes across North America, highlighting regions most vulnerable to earthquakes. The map and associated study, published ...

In an attempt to douse concerns by environmental groups and neighbors in the wake of the December Sumatra tsunami disaster, San Francisco, Calif.-based Pacific Gas & Electric, Co. hired a team of ...

Researchers at Kyushu University have located a large gas reservoir below an axis of rifting based on an automated method for deriving seismic pressure wave velocity from seismic reflection data. The ...

SAN JOSE — California geology officials have released an updated seismic map that they hope will improve earthquake preparedness and construction decisions. The map, which had not been updated since ...

Ion Geophysical Corp., which develops seismic-mapping software and digital-imaging technology for offshore oil-drilling companies, has filed for chapter 11 protection with plans to hand control to ...