Jody Wycech^1,2, Balaji Rajagopalan³, Thomas M Marchitto Jr⁴ and Peter H Molnar^1,2, (1)CIRES, Boulder, CO, United States, (2)University of Colorado at Boulder, Department of Geological Sciences, Boulder, CO, United States, (3)University of Colorado at Boulder, Department of Civil, Environmental and Architectural Engineering and CIRES, Boulder, CO, United States, (4)University of Colorado Boulder, Department of Geological Sciences and INSTAAR, Boulder, CO, United States