The Weather Channel
Rocks & Minerals
Mineral and Gemstone Kingdom
Teacher's Domain: Minerals in Our Enviorment
Volcano World - The web's "premier" source for volcano information.
Volcano Word 2 - All kinds of information on volcanoes. University of North Dakota.
University of Tokyo Volcano Research Center - This group's work to predict volcanic eruptions is featured here.
USGS Volcano Index - Index to hundreds of volcanoes
USGS Earthquake Hazard's Program - Site provided to try and reduce earthquake hazards
Earthquake Information - Get your latest quake info here.
IRIS Seismic Monitor - Search the web for earthquake info or monitor
Seismological Laboratory - Cal Tech's site about earthquakes and seismic activity.
National Earthquake Information Center - Up to date earthquake information for worldwide
Understanding Earthquakes - History of earthquakes, earthquake quiz and more.