Unlike earthquakes, cyclones, volcanic eruptions, and other natural disasters that are observed in real time by worldwide networks of satellites and sensors, landslides and other types of mass movement are not consistently monitored on a global scale, despite their widespread occurrence and strong likelihood of causing fatalities and disrupting critical infrastructure. This is due, in part, to the challenges of monitoring events that occur across a wide range of settings, lithologies, and climatic zones; that are triggered by both anthropogenic and natural factors; and whose volumes can span 10 orders of magnitude

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