After hearing of the devastatingly powerful 8.8 magnitude earthquake that struck Chile overnight, Google began to mobilize several teams to see what Google resources could help with disaster response.
Google Map Maker is currently available in Chile, and they are making the map data available for download by relief and aid organizations.
If you have familiarity with the region, please help these efforts by contributing data about Chile on Google Map Maker. They will be refreshing the download data frequently to reflect the latest set of contributions.
For those concerned about loved ones in Chile, the Person Finder tool, initially created in the wake of the Haiti earthquake, can be used to submit or search for information about individuals who may have been affected. The Person Finder tool has been translated into Spanish and is currently available at http://chilepersonfinder.appspot.com/, as well as several media sites and the US Department of State website. The gadget can easily be embedded on any site: