Auxiliary material for Paper 2009GL040006 Bottom pressure signals at the TAG deep-sea hydrothermal field: Evidence for short-period, flow-induced ground deformation Robert A. Sohn Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA Richard E. Thomson Department of Fisheries and Oceans, Institute of Ocean Sciences, Sidney, British Columbia, Canada Alexander B. Rabinovich Department of Fisheries and Oceans, Institute of Ocean Sciences, Sidney, British Columbia, Canada Shirshov Institute of Oceanology, Moscow, Russia Steven F. Mihaly Department of Fisheries and Oceans, Institute of Ocean Sciences, Sidney, British Columbia, Canada Sohn, R. A., R. E. Thomson, A. B. Rabinovich, and S. F. Mihaly (2009), Bottom pressure signals at the TAG deep-sea hydrothermal field: Evidence for short-period, flow-induced ground deformation, Geophys. Res. Lett., 36, L19301, doi:10.1029/2009GL040006. Introduction The auxiliary material contains a table and a figure. 1. 2009gl040006-ts01.txt, 2009gl040006-ts01.pdf Table S1. A table listing the mechanical parameters used for modeling ground surface displacement due to a buried fluid pressure source, 2. 2009gl040006-fs01.eps, 2009gl040006-fs01.pdf Figure S1. A figure showing the multiple filter analysis used to show the persistence of the short-period pressure signal over a 28-day observation period.