The tables below summarize the content of the SF3D dataset. Table 1 lists the files available for download and as web services. Tables A1, A2, and A3 list the attribute definitions of each file.

Table 1 - Files distributed for download (GeoJSON) and via OGC WFS. The rightmost column indicates the relevant Table number with the attribute descriptions provided in tables A1-A3.

File Name Description Parameters table link
SF3D1.0 - Master Table Outline of the crustal fault meshes. Polygons. A1
SF3D1.0 - Meshes Triangular elements of the fault mesh. Polygons. A2
SF3D1.0 - Points Input data points used to construct the meshes. Points. A3

 

Table A1 - SF3D1.0 Master Table - Polygon attributes.

Field Variable Unit Description
faultid Char(254) n.a. Unique identifier of the fault within SF3D.
faultname Char(254) n.a. Fault name.
t0json Char(254) n.a. URL including a query to the webservice to download the SF3D fault points file of the relevant fault, in GeoJson format.
t2json Char(254) n.a. URL including a query to the webservice to download the SF3D fault mesh file of the relevant fault, in GeoJson format.
t2type Char(254) n.a. Interpolation method used to generate the mesh from the points.
lat_c Float degrees Latitude of the polygon centroid, datum WGS84, positive North.
lon_c Float degrees Longitude of the polygon centroid, datum WGS84, positive East.
depth_c Float m Depth of the polygon centroid, datum mean sea level, positive up.
authorid Char(254) n.a. Team identifier in the database.
notes Char(254) n.a. Notes about the fault.

Table A2 - SF3D1.0 - Points - Point attributes.

Field Variable Unit Description
faultId Char(254) n.a. Fault unique identifier
pointId Char(254) n.a. Fault point unique identifier
pointType Char(254) n.a. Rich or Poor
extrusion Char(254) n.a. Type of geometric extrusion
lat Float degrees Fault point latitude, positive North
lon  Float degrees Fault point longitude, positive East
depth Float m Fault point depth, positive up
dip Float degrees Fault dip angle at the fault point
dipDir Float degrees Fault dip direction at the fault point
extrudeUD Float m Amount of updip geometric extrusion
extrudeDD Float m Amount of downdip geometric extrusion
extrudeDx Float m Amount of dextral geometric extrusion
extrudeSx Float m Amount of sinistral geometric extrusion
nickname Char(254) n.a. Fault or point “nickname.”
srcIdfs Char(254) n.a. Fault unique identifier in an external database
notes Char(254) n.a. Notes about the fault point

 

Table A3 - SF3D1.0 - Meshes - Polygon attributes.

Field Variable Unit Description
faultId Char(254) n.a. Identifier of the fault source within EFSM20.
IdTriangle Integer n.a. Identifier of the mesh triangle.
IdVertex1 Char(254) n.a. Identifier of the first triangle vertex.
lat1 Float degrees Longitude of the first triangle vertex, datum WGS84, positive East.
lon1 Float degrees Latitude of the first triangle vertex, datum WGS84, positive North.
depth1 Float m Depth of the first triangle vertex, datum mean sea level, positive up.
IdVertex2 Char(254) n.a. Identifier of the second triangle vertex.
lat2 Float degrees Longitude of the second triangle vertex, datum WGS84, positive East.
lon2 Float degrees Latitude of the second triangle vertex, datum WGS84, positive North.
depth2 Float m Depth of the second triangle vertex, datum mean sea level, positive up.
IdVertex3 Char(254) n.a. Identifier of the third triangle vertex.
lat3 Float degrees Longitude of the third triangle vertex, datum WGS84, positive East.
lon3 Float degrees Latitude of the third triangle vertex, datum WGS84, positive North.
depth3 Float m Depth of the third triangle vertex, datum mean sea level, positive up.
lat_c Float degrees Longitude of the triangle centroid, datum WGS84, positive East.
lon_c Float degrees Latitude of the triangle centroid, datum WGS84, positive North.
depth_c Float m Depth of the triangle centroid, datum mean sea level, positive up.
strike Float degrees Value of the triangle orientation, between 0-360° increasing clockwise from the north following the right-hand rule.
dip Float degrees Value of the triangle dip angle, between 0-90° increasing downward from the horizontal.
area Float m^2 Area of the triangle.
AR Float scalar Aspect ratio of the triangle, calculated as the ratio of the largest and shortest distance between the centroid and the vertices.
R Float scalar Ratio between area and aspect ratio.