cencal import the cencal code from cencal080.tar.gz minus the datafiles fixed libsrc/storage/Projector.cc line #55, failed to compile with gcc version 8.3.1 20190223 (Red Hat 8.3.1-2) note https://www.usgs.gov/natural-hazards/earthquake-hazards/science/3-d-geologic-and-seismic-velocity-models-san-francisco https://github.com/usgs/earthquake-cencalvm