Geophysics, tectonics and remote sensing facilities

Computer hardware in the geophysics lab

  • A Linux server with 4 nodes, 96 processors, and 1024 GB RAM (funded by NSF's Infrastructure and Facilities Program)
  • Several other Linux servers
  • Free access to the campus high power Linux cluster with ~2500 processors
  • About 40 personal computers
  • About 50 TB of hard disk space on three RAID systems

In addition, the University manages about 15 well-equipped computer learning centers. Several of these are in the same building as the geophysics lab.

Geophysical computer software

A large library of software has been established for teaching and learning, geophysical data display, modeling, processing, and interpretation. Major software packages include Matlab, Generic Mapping Tools (GMT), Seismic Analysis Codes (SAC), Seismic Unix (SU), and many others for seismic tomography, shear-wave splitting and seismic-wave attenuation analyses, mantle discontinuity imaging, seismic data interpretation, waveform forward modeling, and potential field data processing and modeling. We also have a set of site licenses for SMT Kingdom Suite (for 3-D seismic interpretation) and Geographix.

Geophysical exploration equipment

The Department of Geosciences and Geological and Petroleum Engineering owns a comprehensive array of modern geophysical instruments to measure the gravity and magnetism of the earth, and to conduct resistivity, EM, GPR, and seismic reflection/refraction experiments. The Geophysics Group also owns five sets of Guralp broadband seismographs.

Geophysical data sets

Data sets include seismic waveforms collected in the U.S., Russia, Africa, South America and China. Steve Gao and Kelly Liu were involved in the field experiments that recorded some of the data sets. We have obtained and processed all the broadband data recorded by the approximately 200 broadband stations in the Global Seismographic Network (GSN) and GEOSCOPE from earthquakes of 5.5 or larger.

In addition, we have a large database of common-purpose data sets, such as global or regional digital elevation in various resolutions, global gravity anomalies, regional magnetic field, global seismicity, ages of ocean floor, distribution of volcanoes, hot spots, various seismic velocity models, and the coordinates of plate boundaries.