Website of USGS' Coastal and Marine Geology Program. Site features an easy to use interactive resource locator with pull down menus. Resources are broken down by topic, region, and resource type. Information includes...

This fact sheet discusses the dangers associated with debris flows, as seen in the United States. Topics include an introduction to the properties of debris flows, a discussion of where they occur, their association with...

This portion of the United States Geological Survey's (USGS) frequently-asked-questions feature on earthquakes addresses what individuals might actually experience during an earthquake. Topics include earthquake motion...

This portal provides links to a set of online map indexes of the United States Geological Survey (USGS) and other organizations which can be used to locate, view, or create maps. For teachers, there is the Education Map...

This portal provides access to resources on geologic mapping, and to sources of geologic maps. There is an introduction to geologic mapping, which summarizes its principles and practices, and a history of United States...