TY - RPRT TI - Shallow subsurface imaging from footsteps recorded by DAS AU - Luckie, Thomas William [Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)] (ORCID:0009000784829818) AU - Porritt, Robert William [Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)] (ORCID:0000000165930776) AU - Stanciu, Adrian Christian [Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)] (ORCID:0000000287682432) PY - 2026 DO - 10.26443/seismica.v5i2.2182 UR - https://www.osti.gov/biblio/3414002 ID - 3414002 ER -