Recent advances in geospatial technologies, including InSAR and LiDAR, are improving our ability to reduce the potentially disastrous consequences of natural hazards. While some physical limits ultimately constrain what information on surface and subsurface conditions can be obtained from remote sensors, technological advances continue to improve quality, quantity, and diversity of remote sensing data. This chapter provides several examples of remote sensing technologies that could be used to anticipate and monitor hazards from volcanoes, earthquakes, and landslides. We then briefly examine emerging trends in remote sensing in the next decade, such as the global availability of these data, existing and planned major international collaborations and data-sharing partnerships, and data interpretation and dissemination.
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