IGPP Broadband Seismic DCC - responsible for the collection and distribution of seismic data from several regional networks, small aperture arrays, and portable instrument deployments.
Volcano World - features descriptions and images of volcanoes around the world.
EERI Reconnaissance Reports - series of reports that assess structural, social, geophysical, and other factors in the wake of earthquakes around the world. The reports form a basis for recommendations as to how communities can be better prepared if disaster strikes in future.
National Geophysical Data Center Tsunami Database - provides information on tsunami events from 49 B.C. to the present in the Mediterranean and Caribbean Seas, and the Atlantic, Indian, and Pacific Oceans.
Plate Tectonics - lesson covering the chemical and physical layers of the Earth, historical development of the theory, and descriptions of the location and types of plate boundaries.
How Earthquakes Work - descriptions of the causes and processes behind earthquakes.