TY - RPRT TI - Dense lower crust elevates long-term earthquake rates in the New Madrid seismic zone AU - William Brower Levandowski AU - Oliver S. Boyd AU - Leonardo Ramirez-Guzman PY - 2016 DO - 10.1002/2016gl070175 UR - https://pubs.usgs.gov/publication/70177051 ID - 70177051 ER -