Useful Links - At Least For My Purposes

Academic Institutions
Stanford University
School of Earth Sciences, Stanford University
Department of Geophysics, Stanford University
Crustal Deformation and Fault Mechanics Group, Stanford University

California Institute of Technology
Division of Earth and Planetary Sciences, California Institute of Technology
Seismological Laboratory, California Institute of Technology

University of Kentucky
Kentucky Geological Survey
Department of Geological Sciences, University of Kentucky
Geophysics Research Cluster Home Page, Department of Geological Sciences, University of Kentucky

Professional Organizations
American Geophysical Union
Geological Society of America
Seismological Society of America

Government Organizations
United States Geological Survey
United States Geological Survey Main Page