Stress-induced traveltime variations at SAFOD revealed by continuous cross-well active source monitoring

Chenhao Yang, Rice University, Earth Science Department, Houston, TX, United States, Fenglin Niu, University of Science and Technology of China, School of Earth and Space Sciences, Hefei, China, Thomas M Daley, Lawrence Berkeley National Laboratory, Geophysics, Berkeley, CA, United States and Taka'aki Taira, University of California Berkeley, Berkeley, United States