Dvory Figure 1 (IMAGE) Geological Society of America Caption Earthquakes in the southern Delaware Basin (red dots) occur where there has been no historical production from the Delaware Mountain Group (purple circles, the size of the circle indicates the volume of oil and water produced). Credit: Dvory et al. Credit Credit: Dvory et al. Usage Restrictions Credit: Dvory et al. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.