Title of manuscript : Long-term Temperature Records 2 following the Mw 7 . 9 Wenchuan Earthquake Consistent 3 with Low Friction 4

State Key Laboratory of Continental Tectonics and Dynamics, Institute of Geology, 9 Chinese Academy of Geological Sciences, Beijing, China 10 Department of Earth & Planetary Sciences, University of California–Santa Cruz, Santa 11 Cruz, California 95064, USA 12 Disaster Prevention Research Institution, Kyoto University, Gokasho, Uji, Kyoto, Japan 13 Oregon State University, Corvallis, Oregon 97331, USA 14 Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, China 15 16