- Study: Mega injections of wastewater triggers more quakes Updated: Jun-18-15 7:30 pm
WASHINGTON - The more oil and gas companies pump their saltwater waste into the ground, and the faster they do it, the more they have triggered earthquakes in the central United States, a massive new study found.
- Correction: Human-Caused Earthquakes-Colorado story Updated: Jun-12-15 1:58 pm
DENVER - In a story June 11 about earthquakes linked to a wastewater injection well in Colorado, The Associated Press erroneously described the geologic formation the well reached. University of Colorado geology professor Anne Sheehan said the well came close to basement rock but probably did not penetrate it.
- State seismologist disputes tremors linked to oil activity Updated: Jun-05-15 6:47 pm
AUSTIN, Texas - The state seismologist says he sees "no substantial proof" that recent North Texas earthquakes are linked to oil and gas activity, despite scientific studies finding probable cause.