http://www.nnic.noaa.gov/

The National Oceanic and Atmospheric Administration searches its own and other databases for wide-ranging social and scientific environmental data--from emergency preparedness to ozone levels.

http://www.nnic.noaa.gov/

The National Oceanic and Atmospheric Administration database searches its own and other databases for all sorts of scientific information.

http://www.nnic.noaa.gov/

This National Oceanic and Atmospheric Administration database searches its own and other databases for all sorts of environmental and scientific information about the earth's air and water.

http://nisee.ce.berkeley.edu/eqiis.html

This resource of the University of California at Berkeley Museum searches through more than 5,800 photographs and seismic infographics that illustrate more than 80 major earthquakes, including Loma Prieta and Kobe.