Dr. Hannah Glover, Postdoctoral Scholar Dr. Meagan Wengrove, Assistant Professor of Coastal Engineering  College of Engineering, School of Civil and Construction Engineering Oregon State University| Location Information **This seminar will be held both in person (Watanabe Hall 112) and over Zoom** Meeting ID: 961 6222 2366 Passcode: OREseminar https://hawaii.zoom.us/j/96162222366 Distributed acoustic sensing (DAS) uses an interrogator to send pulses of laser light down fiber optic telecommunications cables. The coherent backscattered return of light from impurities in the manufactured glass to the interrogator can be used to sense environmental signal. Phase shifts in the backscattered light are directly related to cable