We are an interdisciplinary research group and investigate an array of earth science problems that span the traditional domains of NMD GD and WRD. Much of our work involves the use of interferometric synthetic aperture radar (InSAR) data.and combinations of other types of remote sensing data. We are also developing innovational numerical modeling methods to predict deformation observed with InSAR. Some of our investigations include:

• using InSAR to prospect for deformation of Alaska volcanoes
• imaging magmatic systems based on InSAR data
• estimating geometry of extruded volcanic materials
• identifying causal relationships between volcanic and earthquake activities
• estimating earthquake deformation fields
• developing mechanical models of plate boundary interactions

Animation: Magma Dynamics of Westdahl Volcano

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ACKNOWLEDGMENT: This research has been supported in part by funding from NASA's Radarsat Program, NASA's Solid Earth & Natural Hazards Program, and USGS Volcano Hazards Program. We thank the Alaska SAR Facility (ASF) for their excellent support in making SAR data available to us on a timely basis. ERS-1/ERS-2, Radarsat-1, and JERS-1 SAR data are copyright © the European Space Agency (ESA), the Canadian Space Agency (CSA), and the National Space Development Agency of Japan (NASDA), respectively.