Shear Test on Load Frame (IMAGE) Utah State University Caption In the Shreedharan Lab in Utah State University's Department of Geosciences, graduate students, from left, Sapana Regmi and Lindsey Broderick, perform a shear test on a load frame to measure the shear strength of a tiny rock sample. A goal of the NSF-funded research is to improve earthquake modeling. Credit M. Muffoletto Usage Restrictions Credit author License Original 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.