TY - RPRT TI - Prospective and retrospective evaluation of the U.S. Geological Survey public aftershock forecast for the 2019-2021 Southwest Puerto Rico Earthquake and aftershocks AU - Nicholas van der Elst AU - Jeanne L. Hardebeck AU - Andrew J. Michael AU - Sara K. McBride AU - Elizabeth Vanacore PY - 2022 DO - 10.1785/0220210222 UR - https://pubs.usgs.gov/publication/70229086 ID - 70229086 ER -