on the MOIDS instrument on the Aqua satellite. Off-white streaks are pumice rafts, green speck is Raoul Island, white streaks are clouds. Some rafts are kilometers wide, it must be a hell of a scene. Resolution is 250m/pixel, image was taken 08/10/2012 at 01:30 UTC. Full image is at http://lance-modis.eosdis.nasa.gov/cgi-bin/imagery/single.cgi?image=crefl2_143.A2012223013000-2012223013500.250m.jpg