This collection of resources is intended to commemorate the centennial of the Great 1906 Earthquake that destroyed much of San Francisco. Items include maps, books and articles, photos and video, field trip ideas, interactive features, and simulations. Of particular interest is 'Putting Down Roots in Earthquake Country', a general interest publication that provides information about earthquake hazards ... Full description.

This portal, published by the California Environmental Resources Evaluation System (CERES), features links to environmental information arranged under three categories: natural environment, natural resources, and the human environment. Natural environmental topics include such items as weather, geology, and natural disturbances (earthquakes, El nino, and others). Natural resources topics include minerals, ... Full description.

This portal provides links to a variety of information on the United States Geological Survey (USGS). There is a brief overview of the USGS mission and vision, links to news articles and press releases, and a link to frequently asked questions and a page where users can post their own questions. Other links access contact information for various departments within the USGS, a search engine for looking ... Full description.

This resource, produced by the United States Geological Survey (USGS) Astrogeology Research Program, provides instructional guides, activities, and information about the planets, moons, and other objects in the solar system. Materials include a virtual trip to the Moon, coloring and activity pages, fact sheets on the planets and their moons, and an activity in which younger students make a globe of ... Full description.

This interactive chart of the solar system allows users to click on an image of one the planets or moons and see a full-size image of the object plus some data on physical constants (radius, mass, orbit period, etc.) and links to other resources such as nomenclature, additional imagery, and information on obtaining maps of the object. Full description.

This portal provides access to maps, data, and other information on the distribution and frequency of natural hazards in the United States. The material is arranged into seven categories: earthquakes, floods, hurricanes, landslides, tsunamis, volcanoes, and wildfires. There are also links to disaster emergency and relief organizations and to real-time resources such as RSS feeds, advisories, and the ... Full description.

This site is the homepage of the United States Geological Survey's (USGS) Landslide Hazards Program (LHP). Materials available include an overview of the geologic hazard presented by landslides, a discussion of the objectives and operations of LHP, and links to program staff. The site also provides a link to the National Landslide Information Center (NLIC), which is responsible for distributing information ... Full description.

This portal provides access to educational materials produced by the Cascades Volcano Observatory. The items include news and current events, information on current activity of the Cascades volcanoes, and emergency information in the event of an eruption. There are also frequently-asked-questions features, a glossary, and links to reading materials such as fact sheets and reports of the United States ... Full description.

This portal provides access to a large selection of real-time and archived data on stream flow and water quality for surface and groundwater. Links are provided to the National Water Information System Web Interface (NWISWeb), which accesses data collected at approximately 1.5 million sites in all 50 states, the District of Columbia, and Puerto Rico. Data categories include current conditions information ... Full description.

This portal, published by the National Biological Information Infrastructure (NBII), provides educators, parents, and students with access to online resources that emphasize the teaching of biology, biodiversity, and ecology. Materials include activities, lesson plans, experiments, projects, resources, and references for classroom and home use. They are arranged by general curriculum, by state, and ... Full description.