Center for Earthquake Research & Information - University of Memphis
Earthquake facts and fiction, earthquake education and emergency resource links, seismic information and more.

CIESIN - Columbia University
The Center for International Earth Science Information Network provides interactive applications, metadata and data resources, and specializes in global and regional network development.

Earth Science Resources - Franklin Institute, Philadelphia
A useful list of Earth Science related websites listed by category.

Geological Society of America (GSA)
The mission of GSA is to advance the geosciences, to enhance the professional growth of its members, and to promote geosciences in the service of humankind.

Lamont-Doherty Earth Observatory - Columbia University
Monitors global climate change, earthquakes, volcanoes, non-renewable resources, environmental hazards, etc. The Observatory is known for its problem-solving innovation, and its unique geological and climatological archives.

Michigan Technological University Volcanoes Page
Information about volcanic activity, research in remote sensing, volcanic hazards mitigation, links to other WWW sites of volcanic interest, and much more.

NASA - Earth Science Enterprise
NASA's Earth Science Enterprise endeavors to understand the total earth system and the effects of humans on the global environment.

National Information Service for Earthquake Engineering - University of California,
Provides access to technical research and development information in earthquake engineering and related fields. This site also includes links to selected papers on earthquake engineering.

National Geophysical Data Center (NGDC)
The NGDC manages environmental data in the fields of marine geology & geophysics, paleoclimatology, solar-terrestrial physics, solid earth geophysics, and glaciology and offers information to researchers and the general public.

North Carolina Geological Survey
Examines, describes, and maps the geology and mineral resources of the state and publishes reports and maps.

Selected Earth Science Web sites - North Carolina State University
A comprehensive list of links ranging from cartography and general geology to soil science, volcanology, and much more.

USGS Home Page
Provides reliable scientific information about the earth in order to prevent loss of life and property from natural disasters. USGS also manages water, energy, biological and mineral resources to enhance and protect our quality of life.

USGS Coastal and Marine Geology Program
Investigates geologic issues of coastal and marine areas under the themes of "Environmental Quality and Preservation", "Natural Hazards & Public Safety", "Natural Resources", and "Earth-Sciences Information and Technology".

Geology
The purpose of the Geologic Division of the USGS is to provide essential scientific information, research, and products to aid the economic development and management of the Nation's earth resources and to reduce the human and monetary effects of natural disasters.

Scirus
A search engine sponsored by the publisher Elsevier that focuses on science-specific web content.  Searches web information, preprint servers, digital archives, repositories, and patent and journal databases.