Overview of activities: The 2010 eruption of Mount Merapi in Indonesia caused 277 deaths and hundreds of thousands of people displaced to refugee camps. The information collected by volunteers in the field was integrated into the JALIN Merapi's website, so that it could be accessed by many people. The website was visited by 4,200 visitors per day on average. The needs of the refugees could easily be communicated to aid organizations. Donors could send aid in the form of money and goods via JALIN Merapi, supply and distribution of the aid could also be accessed on line.