World-Wide Earthquake Locator: Global Earthquake Report

Earthquake Information Service (NEIS) of the U. S. Geological Survey.

USGS - Earthquake Hazard Program - Latest Quake Info

Record of the Day - University of Nevada at Reno Seismological Laboratory

Southern California Earthquake Sites

• The Southern California Earthquake Center
• Los Angeles Seismo-Cam

Volcano Web Sites

General Volcano Sites

• Volcano World: Current Activity
• Volcano World Home Page
• USGS: Volcano Watch
• Smithsonian Institution: Global Volcanism Network

Volcanic Live Cams all over the world