Iowa Public Television


Stories Tagged "USGS"

Displaying 1 to 3 of 3 results.

3 quakes of magnitude 4.0 or more hit northwest Oklahoma

posted on January 8, 2016 at 5:05 PM

Three earthquakes capable of causing moderate damage rocked northwestern Oklahoma overnight, but there were no immediate reports of significant damage or injuries. Full Story

Study: Strong Oklahoma quakes caused by industrial activity

posted on October 23, 2015 at 4:46 PM

A sharp rise in earthquakes in Oklahoma in the past 100 years is likely the result of industrial activities in the energy-rich state, such as oil and natural gas production, a new study suggests. Full Story

Study Indicates 2011 Oklahoma Earthquake Was Likely Man-Made

posted on March 28, 2013 at 12:05 PM

USGS geophysicist describe the pressure increase from injections as similar to blowing more air in a balloon, weakening the skin of the balloon Full Story

Displaying 1 to 3 of 3 results.