Since last week, we have been adding Chile imagery to the KML file as it has become available. It now includes high-resolution scenes of some of the most affected areas. We are working to get imagery of the remaining ones. The KML also contains a list of priority areas as indicated from several sources, as well as inundation maps of the Concepcion area from Instituto Nacional de Estadísticas. Be sure to explore the folders in the Places panel, since not all the layers are visible by default.
You can access the KML here:
It will check for updates every 6 hours, whenever you restart Google Earth, or if you manually refresh the network link (right-click on the layer listing and select Refresh).
Thanks and keep up the great work!