| Institution |
| Institution Code | Institution |
|---|---|
| UMIAMI | University of Miami |
| SIO | Scripps Institute of Oceanography |
| HIG | Hawaii Institute of Geophysics |
| USGS | U.S. Geological Survey |
| LDGO | Lamont Doherty Geological Observatory |
| FSU | Florida State University |
| USSR | Russian data |
| WHOI | Woods Hole Oceanographic Institution |
| UWASH | University of Washington |
| OSU | Oregon State University |
| AK | University of Alaska |
| TUCLZ | Technical University Clausthal-Zellerfeld |
| SMIT | Smithsonian |