TY - RPRT TI - Ash aggregate-rich pyroclastic density currents of the 431 CE Tierra Blanca Joven eruption, Ilopango caldera, El Salvador AU - Richard J. Brown AU - Alexa R. Van Eaton AU - Walter Hernandez AU - Pearce Condren AU - Clare Sweeney AU - Pierre-Yves Tournigand AU - James W. Vallance PY - 2023 DO - 10.1016/j.jvolgeores.2023.107845 UR - https://pubs.usgs.gov/publication/70246299 ID - 70246299 ER -