INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 95715, 'epsg', 5715, '', 'VERT_CS["mean sea level depth",VERT_DATUM["Mean Sea Level",2005,AUTHORITY["EPSG","5100"]],UNIT["m",1.0],AXIS["Gravity-related depth",DOWN],AUTHORITY["EPSG","5715"]]');