Geology

Earthquakes:

South California Earthquake Center (SCEC)  
Earthquake basics and recent earthquakes information in California and Nevada..

Northern California Earthquake Data Center  
Seismological and geodetic data for Northern and central California.

Southern California Earthquake Data Center
Seismological and geodetic data for Southern California

USGS earthquake Hazards Program  
Real-time maps of recent earthquake activity in California, the nation and the world. Earthquake basics, geological and historical information.

Volcano:

Volcano World  
Information on volcanoes around the world

MTU Volcanoes Page  
Educational information about volcano

Global Volcanism Program 
Chronological listing of dates and explosive of large eruptions.

Geology -General:

U.S. Geological Survey  
Recent news on the earth science and hydrology.

Web Geological Time Machine 
Includes introduction to geology and geological time frames from Precambrian to today.

Geology Websites  
Websites on geology organized by topic

EarthTrends: The Environomental Information Portal  
Costal & marine ecosystems, water resources, etc.

EROS Data Center: Earth Resources Observation Systems  
Satellite images, aerial photographs and digital maps recording land- surface phenomena.

Revised  12/18.03