Phase velocity maps
Group velocity maps
3-D models
Modes
CMT catalog (discontinued at Harvard, now hosted at Lamont-Doherty Earth Observatory.)
USGS National Earthquake Information Center (NEIC)
International Seismological Center (ISC) Bulletin
Incorporated Research Institutions for Seismology (IRIS) Event Search
Models/Data
Data
Coastal Data Information Program (CDIP)
F-net: Broadband Seismograph Network, Japan (NIED)
Hi-net: High Sensitivity Seismograph Network, Japan (NIED)
IRIS Data Management Centre (DMC)
ISC Phase Arrival Data
Japan Meteorological Agency (JMA)
NCAR Geophysical Datasets
Models
Crust 2.0
Global Tomography (Berkeley)
Global Topography
The Reference Earth Model (REM)
The Scripps 3D Mantle Models
Upper Mantle Shear Velocity Model (Colorado)
Software
IRIS Seismology Software and Manuals
LAPACK (Linear Algebra PACKage)
EISPACK
LINPACK
Numerical Recipes
ORFEUS Software Library
Seismic Analysis Code (SAC)
Systems Optimization Laboratory (Stanford University)
The Generic Mapping Tools (GMT)
GMT and Geophysics Links
Documentation
Calling Fortran Routines from a C++ Program (by Benigno Gobbo)
SUN WorkShop Documentation (e.g., compilers)
Organizations
American Geophysical Union (AGU)
Cooperative Institute for Deep Earth Research (CIDER)
Incorporated Research Institutions for Seismology (IRIS)
International Seismological Center (ISC)
Japan Meteorological Agency (JMA)
National Research Institute for Earth Science and Disaster Prevention (NIED)
NORSAR
Observatories and Research Facilities for European Seismology (ORFEUS)
U.S. Geological Survey (USGS)
Journals
Bulletin of the Seismological Society of America
Seismological Research Letters
Geophysical Research Letters
Tectonics
Journal of Geophysical Research
Other AGU journals
Miscellaneous