Graphics for Spherical Distributions and Earthquake Focal Mechanisms R package RFOC version 3.4-14 Graphics for statistics on a sphere, as applied to geological fault data, crystallography, earthquake focal mechanisms, radiation patterns, ternary plots and geographical/geological maps. Non-double couple plotting of focal spheres and source type maps are included for statistical analysis of moment tensors. Software Depends: R (>= 3.1.0) Imports: RPMG, GEOmap, RSEIS, MASS, fields, rpanel Suggests: maps Jonathan M. Lees <jonathan.lees@unc.edu> Comprehensive R Archive Network (CRAN) Jonathan M. Lees [aut, cre], Keehoon Kim [ctb] GPL (>= 2) 2026-02-07 application/tgz https://CRAN.R-project.org/package=RFOC doi:10.32614/CRAN.package.RFOC