S4: Violent Volcanic Eruptions:  The Horizontal Dimension for Hazard Prediction, by Edward S. Gaffney (Los Alamos National Laboratory), Grant Heiken (LANL), J. Bernard Minster (University of California at San Diego) and William I. Rose (Michigan Technical University).

S5: The Sensitivity of a Volcano Flow Model to Digital Elevation Models from Diverse Sources,by Nicki F. Stevens, Institute for Geological and Nuclear Sciences, New Zealand.

S6: How useful are AIRSARdata for Regolith-Landform and Geological Mapping in Australia -and What are the Limitations?,by Ian J. Tapley, Cooperative Research Center for Landscape Environments and Mineral Exploration, CSIRO Exploration and Mining, Perth, Western Australia.

S7: Evaluation of TOPSAR DEM's for Geomorphic Studies of Landform Modification, Long Valley Caldera Area, Nevada-California, by Marcus Bursik (Dept. Geology, Univ. Buffalo, SUNY), D.M. Hooper, and Frank Webb (JPL).

S8: Multiscale Fusion of INSAR Data for Hydrological Applications, by K. Clint Slatton, Larry Teng and Melba M. Crawford (The Center for Space Research, University of Texas at Austin).