Have you ever wondered what the bottom of Lake Tahoe looks like?  How California looks from space? Our map section will answer these and many more questions. Check back often for new maps!

Maps of current fires and incident information can be found in the Fire News section.

• Decreased Clarity in Lake Tahoe's Water
• CDF Fire Threat Map of California (pdf)
• Nevada County Natural Resources Report
• USGS Earthquake Hazard Program Current earthquake activity in Northern California, maps, links and a special interest section where you report if you felt an earthquake.
• Land and Sea Temperatures Live Satellite (UW Madison)
• Lake Tahoe (data provided by the Lake Tahoe Data Clearinghouse) including bathymetric images of the lake's bottom
• California map with county borders from NGDC/NOAA
• California map in PDF format
• Spectacular 3-D images of the hole in the ozone layer
• Sierra Nevada view from space. Courtesy of the Office of Earth Sciences, NASA-Johnson Space Center
• Sierra Nevada Mountains and Lake Tahoe, California, U.S.A. June 1991. Courtesy of the Office of Earth Sciences, NASA-Johnson Space Center
• Sierra Nevada Mountains and Yosemite National Park, California, U.S.A. October 1993. Courtesy of the Office of Earth Sciences, NASA-Johnson Space Center
• The agricultural fields near Yuba City and Sutter Buttes within the Sacramento Valley are captured in this low-oblique, east-looking photograph from 1994.
• Nestled in a basin between the high, snow-covered Sierra Nevada Mountains to the west and the lower, barren Excelsior Mountains to the east, Mono Lake is captured in this near-vertical photographs of 1991 and 1999 .
• Owens Lake and the Owens River, 120 miles (195 kilometers) long, rising in the Sierra Nevada southeast of Yosemite National Park.
• Sacramento, the capital of California and the western terminus of the Pony Express in the late 1850s and early 1860s, is visible in this near-vertical photograph from 1994.
• Late Season Fires in California 2002
• New Orleans before and after hurricane Katrina (NASA)