TY  - RPRT
TI  - Gravitational body forces focus North American intraplate earthquakes
AU  - William Brower Levandowski
AU  - Mark Zellman
AU  - Richard W. Briggs
PY  - 2017
DO  - 10.1038/ncomms14314
UR  - https://pubs.usgs.gov/publication/70188377
ID  - 70188377
ER  -