Fig. 5From: Using infrasound to constrain ash plume riseIsomass contour map. Regional map of the Cook Inlet area, Alaska, showing the distribution of tephra-fall deposits of the 2009 eruption of Mt. Redoubt. Contours show isomass in g m-2. Modified with permission from Fig. 1 of Wallace et al. (2013); digital contour data available from Schaefer and Wallace (2012) Back to article page