The Natural Hazards Center, located at the University of Colorado, Boulder, Colorado, USA, is a national and international clearinghouse for information on natural hazards and human adjustments to hazards and disasters. The Natural Hazards Center carries out its mission in four principal areas: information dissemination, an annual workshop, research, and library services. The center's prime goal is ... Full description.

This site is the homepage of Alan L. Jones, of the State University of New York at Binghamton. Dr. Jones is interested in most earthquake-related topics, computer graphics, and computers in education. He has created various computer-based visualizations: Seismic/Eruption, Seismic Waves, AmaSeis, and Eqlocate. Seismic/Eruption is a program used to visualize seismicity and volcanic activity in space ... Full description.

This international organization collects and disseminates geologic and medical data to evaluate and predict volcanic health hazards. The site provides an index of members working in the fields of volcanology, epidemiology, toxicology, public health and physical chemistry with links to their expertise in the areas of ash, gas, and aerosol characterization, water quality, air quality, exposure and risk ... Full description.

This site provides links to a collection of Seattle Post-Intelligencer newspaper articles about the history of asbestos-contaminated vermiculite mining in Libby, Montana. Topics of the articles include the recently discovered health risks associated with vermiculite, case histories of residents who became ill from asbestos exposure, and environmental restoration and public health care efforts made ... Full description.

Since 1999, the Agency for Toxic Substances and Disease Registry has been conducting a number activities related to asbestos in Libby, Montana. This web site presents a brief overview of those activities, including a testing program for people whose health may have been affected by asbestos, a mortality review, an asbestos-related disease registry, a tremolite asbestos toxicological profile, and a ... Full description.

This clearinghouse site features links to a comprehensive collection of resources related to the arsenic health crisis in Bangladesh and India. The site provides links to news articles, reports and other project documents, reference materials, medical information, and an online forum and email newsletter. Full description.

These lecture notes provide information on magma production, types of igneous rocks, and volcanic processes. Other subjects include active volcanoes, historical eruptions, volcano structure and formation, classification of volcanoes, controls on eruptive style, and volcanic hazards. The lecture notes feature many diagrams and photographs, as well as links to further information. This resource is part ... Full description.

This report summarizes the current knowledge of naturally occurring radioactive materials in oil-fields of the United States. Of particular concern is the effect on public health and the environment of exposure to radioactive materials in the form of radium-bearing water and 'scale' deposits in tanks and pipes, which may travel far from the oil fields as scrap metal products. Full description.

The UC San Diego Webshaker is a live earthquake experiment conducted over the internet. The user can select a historic earthquake or design an earthquake by specifying the frequency, amplitude, and duration. The shake table delivers base motion to the test structure in the same way that an earthquake shakes buildings and other structures. A live video broadcast and precise measurements from sensors ... Full description.

This USGS fact sheet provides information about mercury toxicity and its occurrence in the environment. Maps, diagrams, and photographs complement the text which discusses the sources and types of mercury in the environment, exposure pathways, and health effects on humans and wildlife. Full description.