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physics.geo-ph2023
Imaging urban hidden faults with ambient noise recorded by dense seismic arrays
Ettore Biondi, Jorge C. Castellanos, Robert W. Clayton
The identification of preexisting near-surface faults represents a piece of crucial information needed to correctly assess the seismic hazard of any area. The mapping of these stru…
physics.geo-ph2023
Seismic Arrival-time Picking on Distributed Acoustic Sensing Data using Semi-supervised Learning
Weiqiang Zhu, Ettore Biondi, Jiaxuan Li +3
Distributed Acoustic Sensing (DAS) is an emerging technology for earthquake monitoring and subsurface imaging. The recorded seismic signals by DAS have several distinct characteris…