| Title | Comment | Keywords |
|---|---|---|
| Goals of the Parkfield Study | 18:08 - 18:57 (00:49) / 1.3 MB | Parkfield, California, "San Andreas Fault", "earthquake precursor", "Evelyn Roeloffs", geophysicist, prediction |
| Parkfield Earthquake Project | 16:20 - 17:35 (01:15) / 1.7 MB | "Evelyn Roeloffs", Parkfield, "Parkfield study goal", "earthquake prediction", fault |