Vasso Saltogianni

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About

Vasso Saltogianni is a leading researcher in geodetic engineering and structural health monitoring, whose work bridges cutting-edge satellite positioning technology and civil infrastructure safety. Her primary research areas include high-rate GPS/GNSS seismology, multi-sensor fusion for dynamic displacement measurement, and the application of precise point positioning (PPP) to earthquake engineering. Her most notable contribution is the pioneering demonstration that 10-Hz PPP GPS can reliably capture strong-motion displacement waveforms, a breakthrough validated through free oscillation experiments and widely cited (49 citations) for enabling real-time ground-motion tracking without reliance on nearby reference stations. This work has fundamentally expanded the utility of GPS in seismology and early warning systems. In structural monitoring, Saltogianni has shown that combining GPS, robotic total stations, and accelerometers can measure both semi-static and dynamic deflections of stiff bridges—a challenging task previously limited to flexible structures. Her multi-sensor approach, detailed in a 2019 study, offers a robust, cost-effective method for assessing bridge health under traffic and wind loads. Through these contributions, Saltogianni has advanced the precision and applicability of geodetic tools for hazard mitigation and infrastructure resilience.