View In:   ArcGIS JavaScript   ArcGIS Online Map Viewer   ArcGIS Earth   ArcMap   ArcGIS Pro

View Footprint In:   ArcGIS Online Map Viewer

Service Description: Probabilistic seismic-hazard maps were prepared for the conterminous United States portraying peak horizontal acceleration and horizontal spectral response acceleration for 0.2- and 1.0-second periods with probabilities of exceedance of 10 percent in 50 years and 2 percent in 50 years. This particular data set is for horizontal spectral response acceleration for 1.0-second period with a 10 percent probability of exceedance in 50 years. All of the maps were prepared by combining the hazard derived from spatially smoothed historic seismicity with the hazard from fault-specific sources. The acceleration values contoured are the random horizontal component. The reference site condition is firm rock, defined as having an average shear-wave velocity of 760 m/sec in the top 30 meters corresponding to the boundary between NEHRP (National Earthquake Hazards Reduction program) site classes B and C. For more information online visit: http://pubs.usgs.gov/sim/3195/, http://pubs.usgs.gov/of/2008/1128/, and http://earthquake.usgs.gov/hazards/

Map Name: US_1Hz_10PercentIn50Years

Legend

All Layers and Tables

Layers:

• 1:1,128 (L1) (0)
  • US1hz050 1:5M arc (1)
  • USinternational_arcL1 (2)
  • USstates_arcL1 (3)
  • UScounty_arcL1 (4)
  • UScoast_arcL1 (5)
  • US1hz050 1:5M poly (6)
• 1:2,257 (L2) (7)
  • US1hz050 1:5M arc (8)
  • USinternational_arcL1 (9)
  • USstates_arcL1 (10)
  • UScounty_arcL1 (11)
  • UScoast_arcL1 (12)
  • US1hz050 1:5M poly (13)
• 1:4,514 (L3) (14)
  • US1hz050 1:5M arc (15)
  • USinternational_arcL1 (16)
  • USstates_arcL1 (17)
  • UScounty_arcL1 (18)
  • UScoast_arcL1 (19)
  • US1hz050 1:5M poly (20)
• 1:9,028 (L4) (21)
  • US1hz050 1:5M arc (22)
  • USinternational_arcL1 (23)
  • USstates_arcL1 (24)
  • UScounty_arcL1 (25)
  • UScoast_arcL1 (26)
  • US1hz050 1:5M poly (27)
• 1:18,056 (L5) (28)
  • US1hz050 1:5M arc (29)
  • USinternational_arcL1 (30)
  • USstates_arcL1 (31)
  • UScounty_arcL1 (32)
  • UScoast_arcL1 (33)
  • US1hz050 1:5M poly (34)
• 1:36,112 (L6) (35)
  • US1hz050 1:5M arc (36)
  • USinternational_arcL1 (37)
  • USstates_arcL1 (38)
  • UScounty_arcL1 (39)
  • UScoast_arcL1 (40)
  • US1hz050 1:5M poly (41)
• 1:72,224 (L7) (42)
  • US1hz050 1:5M arc (43)
  • USinternational_arcL1 (44)
  • USstates_arcL1 (45)
  • UScounty_arcL1 (46)
  • UScoast_arcL1 (47)
  • US1hz050 1:5M poly (48)
• 1:144,448 (L8) (49)
  • US1hz050 1:5M arc (50)
  • USinternational_arcL1 (51)
  • USstates_arcL8 (52)
  • UScounty_arcL1 (53)
  • UScoast_arcL1 (54)
  • US1hz050 1:5M poly (55)
• 1:288,895 (L9) (56)
  • US1hz050 1:5M arc (57)
  • USinternational_arcL1 (58)
  • USstates_arcL8 (59)
  • UScounty_arcL1 (60)
  • UScoast_arcL1 (61)
  • US1hz050 1:5M poly (62)
• 1:577,791 (L10) (63)
  • US1hz050 1:5M arc (64)
  • USinternational_arcL10 (65)
  • USstates_arcL8 (66)
  • UScounty_arcL10 (67)
  • UScoast_arcL1 (68)
  • US1hz050 1:5M poly (69)
• 1:1,155,581 (L11) (70)
  • US1hz050 1:5M arc (71)
  • USinternational_arcL10 (72)
  • USstates_arcL8 (73)
  • UScounty_arcL10 (74)
  • UScoast_arcL1 (75)
  • US1hz050 1:5M poly (76)
• 1:2,311,162 (L12) (77)
  • US1hz050 1:5M arc (78)
  • USinternational_arcL10 (79)
  • USstates_arcL8 (80)
  • UScounty_arcL10 (81)
  • UScoast_arcL12 (82)
  • US1hz050 1:5M poly (83)
• 1:4,622,324 (L13) (84)
  • US1hz050 1:5M arc (85)
  • USinternational_arcL10 (86)
  • USstates_arcL8 (87)
  • UScounty_arcL10 (88)
  • UScoast_arcL12 (89)
  • US1hz050 1:5M poly (90)
• 1:9,244,649 (L14) (91)
  • US1hz050 1:10M arc (92)
  • USinternational_arcL10 (93)
  • USstates_arcL14 (94)
  • UScoast_arcL12 (95)
  • US1hz050 1:10M poly (96)
• 1:18,489,298 (L15) (97)
  • US1hz050 1:15M arc (98)
  • USinternational_arcL15 (99)
  • USstates_arcL14 (100)
  • UScoast_arcL12 (101)
  • US1hz050 1:15M poly (102)
• 1:36,978,595 (L16) (103)
  • US1hz050 1:15M arc (104)
  • USinternational_arcL15 (105)
  • USstates_arcL14 (106)
  • UScoast_arcL12 (107)
  • US1hz050 1:15M poly (108)

Tables:

• ds1hz050_10M (109)
• ds1hz050_15M (110)
• ds1hz050_5M (111)

Description:

Copyright Text: US Geological Survey National Seismic Hazard Mapping Program

Spatial Reference: 102100  (3857)


Single Fused Map Cache: true

Tile Info:

• Height: 256
• Width: 256
• DPI: 96
• Levels of Detail: 20
  • Level ID: 0 [ Start Tile, End Tile ]
  • Resolution: 156543.033928
  • Scale: 5.91657527591555E8
  • Level ID: 1 [ Start Tile, End Tile ]
  • Resolution: 78271.5169639999
  • Scale: 2.95828763795777E8
  • Level ID: 2 [ Start Tile, End Tile ]
  • Resolution: 39135.7584820001
  • Scale: 1.47914381897889E8
  • Level ID: 3 [ Start Tile, End Tile ]
  • Resolution: 19567.8792409999
  • Scale: 7.3957190948944E7
  • Level ID: 4 [ Start Tile, End Tile ]
  • Resolution: 9783.93962049996
  • Scale: 3.6978595474472E7
  • Level ID: 5 [ Start Tile, End Tile ]
  • Resolution: 4891.96981024998
  • Scale: 1.8489297737236E7
  • Level ID: 6 [ Start Tile, End Tile ]
  • Resolution: 2445.98490512499
  • Scale: 9244648.868618
  • Level ID: 7 [ Start Tile, End Tile ]
  • Resolution: 1222.99245256249
  • Scale: 4622324.434309
  • Level ID: 8 [ Start Tile, End Tile ]
  • Resolution: 611.49622628138
  • Scale: 2311162.217155
  • Level ID: 9 [ Start Tile, End Tile ]
  • Resolution: 305.748113140558
  • Scale: 1155581.108577
  • Level ID: 10 [ Start Tile, End Tile ]
  • Resolution: 152.874056570411
  • Scale: 577790.554289
  • Level ID: 11 [ Start Tile, End Tile ]
  • Resolution: 76.4370282850732
  • Scale: 288895.277144
  • Level ID: 12 [ Start Tile, End Tile ]
  • Resolution: 38.2185141425366
  • Scale: 144447.638572
  • Level ID: 13 [ Start Tile, End Tile ]
  • Resolution: 19.1092570712683
  • Scale: 72223.819286
  • Level ID: 14 [ Start Tile, End Tile ]
  • Resolution: 9.55462853563415
  • Scale: 36111.909643
  • Level ID: 15 [ Start Tile, End Tile ]
  • Resolution: 4.77731426794937
  • Scale: 18055.954822
  • Level ID: 16 [ Start Tile, End Tile ]
  • Resolution: 2.38865713397468
  • Scale: 9027.977411
  • Level ID: 17 [ Start Tile, End Tile ]
  • Resolution: 1.19432856685505
  • Scale: 4513.988705
  • Level ID: 18 [ Start Tile, End Tile ]
  • Resolution: 0.597164283559817
  • Scale: 2256.994353
  • Level ID: 19 [ Start Tile, End Tile ]
  • Resolution: 0.298582141647617
  • Scale: 1128.497176
• Format: PNG
• Compression Quality: 0.0
• Origin: X: -2.0037508342787E7
  Y: 2.0037508342787E7
  
• Spatial Reference: 102100  (3857)
  

Storage Info:

• Storage Format: esriMapCacheStorageModeCompactV2
• Packet Size: 128

Initial Extent:

XMin: -1.734094587293671E7
YMin: 3357281.6433875742
XMax: -3809757.3777852664
YMax: 8816719.95162655
Spatial Reference: 102100

Full Extent:

XMin: -1.39149363491592E7
YMin: 2753408.10936498
XMax: -7235766.901562784
YMax: 6446275.8410171615
Spatial Reference: 102100

Units: esriMeters

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info:

Title: US 1Hz 10% in 50 years
Author: Ken Rukstales (rukstales@usgs.gov)
Comments: Probabilistic seismic-hazard maps were prepared for the conterminous United States portraying peak horizontal acceleration and horizontal spectral response acceleration for 0.2- and 1.0-second periods with probabilities of exceedance of 10 percent in 50 years and 2 percent in 50 years. This particular data set is for horizontal spectral response acceleration for 1.0-second period with a 10 percent probability of exceedance in 50 years. All of the maps were prepared by combining the hazard derived from spatially smoothed historic seismicity with the hazard from fault-specific sources. The acceleration values contoured are the random horizontal component. The reference site condition is firm rock, defined as having an average shear-wave velocity of 760 m/sec in the top 30 meters corresponding to the boundary between NEHRP (National Earthquake Hazards Reduction program) site classes B and C. For more information online visit: http://pubs.usgs.gov/sim/3195/, http://pubs.usgs.gov/of/2008/1128/, and http://earthquake.usgs.gov/hazards/
Subject: Horizontal Spectral Response Acceleration for 1.0-second Period with 10% Probability of Exceedance in 50 Years (2008)
Category:
Keywords: earthquake,hazard,1Hz,1.0-second,seismic
AntialiasingMode: None
TextAntialiasingMode: Force

Supports Dynamic Layers: false

Resampling: false

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON, PBF

Supports Query Data Elements: true

Min Scale: 3.6978595474472E7

Max Scale: 36111.909643

Supports Datum Transformation: true



Child Resources:   Info

Supported Operations:   Export Map   Identify   QueryLegends   QueryDomains   Find   Return Updates   Generate KML