TY - RPRT TI - Low-frequency earthquakes track the motion of a captured slab fragment AU - David R. Shelly AU - Amanda M. Thomas AU - Kathryn Z. Materna AU - Robert J. Skoumal PY - 2026 DO - 10.1126/science.aeb2407 UR - https://pubs.usgs.gov/publication/70273506 ID - 70273506 ER -