In the 2004-2005 period, PDC provided a wide range of support to the countries impacted by the Great Sumatra Earthquake and Indian Ocean tsunami (December 26, 2004), initiating a line of work and establishing partnerships that have continued ever since. PDC also engaged in developing and hosting the Asia Pacific Natural Hazards Information Network (APNHIN); conducting a multi-hazard urban risk assessment for Marikina, Philippines; mapping flood hazards and conducting risk assessments for the Mekong River Basin; providing the 10-member Association of Southeast Asian Nations (ASEAN) with a Disaster Information Sharing and Communications Network (DISCNet); developing an earthquake atlas for Hawaii based on FEMA's HAZUS software; collaborating with the Maui High Performance Computing Center to develop an interactive, map-based interface for an ocean environmental database; customizing a wildfire rating system for Hawaii and mapping both wildfires and fire fuels; and developing a digital, geospatial database of critical infrastructure for Hawaii.