Southern California Earthquake Data Center, California Institute of Technology

Data Center Description
The Southern California Earthquake Data Center (SCEDC) is a
primary archive of seismologic data for the Southern California area.
Data archived at the center include recordings from the Southern
California Seismic Network (SCSN), data from the USGS TERRAscope
network, GPS data and Compilations of selected earthquake data sets.
SCEDC is accessible via the World Wide Web at:

Data Center URL