Point clouds derived from satellite imagery, Tabas, Iran, 2014

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Dataset Information

This dataset contains a ~50 km long section of the fault responsible for the 1978 Tabas-e-Golshan earthquake in Iran. The point cloud datasets were derived via the rational function model (RFM) with the Leica Photogrammetry Suite (LPS) built in ERDAS Imagine from data acquired by SPOT-6 stereo optical satellite imagery.

opentopoID: OTDS.082023.32640.1
DOI: https://doi.org/10.5069/G95Q4T96
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Walker, R., Zhou, Y. (2023). Point clouds derived from satellite imagery, Tabas, Iran, 2014. Distributed by OpenTopography. https://doi.org/10.5069/G95Q4T96 Accessed: 2025-05-09
Survey Date: 12/29/2013 - 03/10/2014
Survey Area: 2,691.61 km2
Publication Date: 08/10/2023
Total Number of Points: 1,205,725,289 pts
Point Density: 0.45 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 40N [EPSG: 32640]

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Spatial Extent

Show Data Files

    Point Cloud
  File Name Size Points Area (m2) Density  
1     east_tabas_1_1.laz     750.26 MB     110,630,141     198,856,108     0.56         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 40N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32640"]],VERT_CS["IMAGINE GeoTIFF SupportERDAS IMAGINE 2020  16.6.0.1217Unable to match Vertical Coordinate System to a VerticalCSTypeGeoKey valueEllipsoid = WGS 84Datum = WGS 84",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Geographic Coordinates (Lat, Lon, Elevation) - EPSG:4326
North-East (Lat, Lon, Elevation): (33.7581480825724, 57.19333946750318, 2348.648)
South-West (Lat, Lon, Elevation): (33.588749750585066, 57.02020028285889, 567.729)

Projected Coordinates (X, Y) - EPSG:32640
North-East (X, Y): (517904.9348, 3735357.231)
South-West (X, Y): (501874.3939, 3716559.072)

Classifications:
Class 0 (Created, never classified)110,536,182
Class 7 (Low Point (noise))93,959
2     east_tabas_2_1.laz     1.49 GB     228,843,189     402,483,671     0.57         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 40N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32640"]],VERT_CS["IMAGINE GeoTIFF SupportERDAS IMAGINE 2020  16.6.0.1217Unable to match Vertical Coordinate System to a VerticalCSTypeGeoKey valueEllipsoid = WGS 84Datum = WGS 84",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Geographic Coordinates (Lat, Lon, Elevation) - EPSG:4326
North-East (Lat, Lon, Elevation): (33.58839952547489, 57.295103150122685, 2805.829)
South-West (Lat, Lon, Elevation): (33.419196537508896, 57.02012049979225, 546.561)

Projected Coordinates (X, Y) - EPSG:32640
North-East (X, Y): (527382.9201, 3716559.072)
South-West (X, Y): (501870.6347, 3697760.859)

Classifications:
Class 0 (Created, never classified)228,674,420
Class 7 (Low Point (noise))168,769
3     east_tabas_3_1.laz     990.73 MB     149,615,320     266,811,459     0.56         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 40N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32640"]],VERT_CS["IMAGINE GeoTIFF SupportERDAS IMAGINE 2020  16.6.0.1217Unable to match Vertical Coordinate System to a VerticalCSTypeGeoKey valueEllipsoid = WGS 84Datum = WGS 84",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Geographic Coordinates (Lat, Lon, Elevation) - EPSG:4326
North-East (Lat, Lon, Elevation): (33.41871587777707, 57.345920514845474, 2731.055)
South-West (Lat, Lon, Elevation): (33.334418184951815, 57.02013680570304, 551.857)

Projected Coordinates (X, Y) - EPSG:32640
North-East (X, Y): (532161.032, 3697760.859)
South-West (X, Y): (501873.968, 3688361.753)

Classifications:
Class 0 (Created, never classified)149,471,067
Class 7 (Low Point (noise))144,253
4     east_tabas_3_2.laz     1.38 GB     211,927,634     314,014,877     0.67         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 40N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32640"]],VERT_CS["IMAGINE GeoTIFF SupportERDAS IMAGINE 2020  16.6.0.1217Unable to match Vertical Coordinate System to a VerticalCSTypeGeoKey valueEllipsoid = WGS 84Datum = WGS 84",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Geographic Coordinates (Lat, Lon, Elevation) - EPSG:4326
North-East (Lat, Lon, Elevation): (33.333814913054894, 57.38764908568451, 1766.791)
South-West (Lat, Lon, Elevation): (33.24963863195597, 57.02040732165813, 579.925)

Projected Coordinates (X, Y) - EPSG:32640
North-East (X, Y): (536075.6918, 3688361.753)
South-West (X, Y): (501900.9803, 3678962.647)

Classifications:
Class 0 (Created, never classified)211,718,316
Class 7 (Low Point (noise))209,318
5     east_tabas_4_1.laz     1.52 GB     233,205,514     499,943,339     0.47         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 40N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32640"]],VERT_CS["IMAGINE GeoTIFF SupportERDAS IMAGINE 2020  16.6.0.1217Unable to match Vertical Coordinate System to a VerticalCSTypeGeoKey valueEllipsoid = WGS 84Datum = WGS 84",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Geographic Coordinates (Lat, Lon, Elevation) - EPSG:4326
North-East (Lat, Lon, Elevation): (33.24888874437226, 57.43236846027737, 1841.551)
South-West (Lat, Lon, Elevation): (33.080076077651476, 57.02080371096797, 555.808)

Projected Coordinates (X, Y) - EPSG:32640
North-East (X, Y): (540276.4306, 3678962.647)
South-West (X, Y): (501941.6386, 3660164.435)

Classifications:
Class 0 (Created, never classified)232,992,436
Class 7 (Low Point (noise))213,078
6     west_tabas.laz     1.76 GB     271,503,491     1,009,499,520     0.27         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 40N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32640"]],VERT_CS["unknown",VERT_DATUM["Not specified (based on WGS 84 ellipsoid)",2002,AUTHORITY["EPSG","6030"]],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Geographic Coordinates (Lat, Lon, Elevation) - EPSG:4326
North-East (Lat, Lon, Elevation): (33.75812064765672, 57.08859357983037, 1757.215)
South-West (Lat, Lon, Elevation): (33.17399622553727, 56.860371957481306, 551.624)

Projected Coordinates (X, Y) - EPSG:32640
North-East (X, Y): (508204.5424, 3735340.927)
South-West (X, Y): (486982.187, 3670585.131)

Classifications:
Class 0 (Created, never classified)271,212,441
Class 7 (Low Point (noise))291,050
  Summary 7.85 GB     1,205,725,289     2,691,608,974     0.45      
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