TY - RPRT TI - Mature diffuse tectonic block boundary revealed by the 2020 southwestern Puerto Rico seismic sequence AU - Uri S. ten Brink AU - L Vanacore AU - E. J. Fielding AU - Jason Chaytor AU - A.M. Lopez-Venegas AU - Wayne E. Baldwin AU - David S. Foster AU - Brian D. Andrews PY - 2022 DO - 10.1029/2021tc006896 UR - https://pubs.usgs.gov/publication/70222925 ID - 70222925 ER -