This video segment, adapted from a NOVA broadcast, provides an account of the 1995 avalanche that overran the fishing village of Flateyri, Iceland, killing 20 people. It also points out the unpredictability of such...

Users can access interactive mapping and Geographic Information Systems (GIS) data, and view or download maps and reports on California's most prominent earthquake hazards. These maps are intended to help avoid damage...

This portal provides information on the hazards presented to the Gulf and Atlantic coasts of the United States by hurricanes. A fact sheet summarizes some of the destructive effects and describes some of the more recent...

This is an update to the original Fujita Scale for wind speeds and tornado damage. The Enhanced F-scale uses three-second gusts estimated at the point of damage based on a judgment of 8 levels of damage to the 28...

Through the Project Impact initiative, the Federal Emergency Management Agency (FEMA) and Environmental Systems Research Institute (ESRI) have formed a National Partnership in part aimed at providing multi-hazard maps...