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Service Description: Probabilistic seismic-hazard maps were prepared for Hawaii 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 2 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.er.usgs.gov/publication/i2724, http://bssa.geoscienceworld.org/content/91/3/479, and http://earthquake.usgs.gov/hazards/

Map Name: HI_1Hz_2PercentIn50Years

Legend

All Layers and Tables

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• 1:1,128 (L1) (0)
  • HI1hz250 1:5M arc (1)
  • HIcounty_arcL1 (2)
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  • HI1hz250 1:5M arc (6)
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  • HI1hz250 1:5M poly (9)
• 1:4,514 (L3) (10)
  • HI1hz250 1:5M arc (11)
  • HIcounty_arcL1 (12)
  • HIcoast_arcL1 (13)
  • HI1hz250 1:5M poly (14)
• 1:9,028 (L4) (15)
  • HI1hz250 1:5M arc (16)
  • HIcounty_arcL1 (17)
  • HIcoast_arcL1 (18)
  • HI1hz250 1:5M poly (19)
• 1:18,056 (L5) (20)
  • HI1hz250 1:5M arc (21)
  • HIcounty_arcL1 (22)
  • HIcoast_arcL1 (23)
  • HI1hz250 1:5M poly (24)
• 1:36,112 (L6) (25)
  • HI1hz250 1:5M arc (26)
  • HIcounty_arcL1 (27)
  • HIcoast_arcL1 (28)
  • HI1hz250 1:5M poly (29)
• 1:72,224 (L7) (30)
  • HI1hz250 1:5M arc (31)
  • HIcounty_arcL1 (32)
  • HIcoast_arcL1 (33)
  • HI1hz250 1:5M poly (34)
• 1:144,448 (L8) (35)
  • HI1hz250 1:5M arc (36)
  • HIcounty_arcL1 (37)
  • Hicoast_arcL1 (38)
  • HI1hz250 1:5M poly (39)
• 1:288,895 (L9) (40)
  • HI1hz250 1:5M arc (41)
  • HIcounty_arcL1 (42)
  • HIcoast_arcL1 (43)
  • HI1hz250 1:5M poly (44)
• 1:577,791 (L10) (45)
  • HI1hz250 1:5M arc (46)
  • HIcounty_arcL10 (47)
  • HIcoast_arcL1 (48)
  • HI1hz250 1:5M poly (49)
• 1:1,155,581 (L11) (50)
  • HI1hz250 1:5M arc (51)
  • HIcounty_arcL10 (52)
  • HIcoast_arcL1 (53)
  • HI1hz250 1:5M poly (54)
• 1:2,311,162 (L12) (55)
  • HI1hz250 1:5M arc (56)
  • HIcounty_arc (57)
  • HIcoast_arcL12 (58)
  • HI1hz250 1:5M poly (59)
• 1:4,622,324 (L13) (60)
  • HI1hz250 1:5M arc (61)
  • HIcoast_arcL12 (62)
  • HI1hz250 1:5M poly (63)
• 1:9,244,649 (L14) (64)
  • HI1hz250 1:10M arc (65)
  • HIcoast_arcL12 (66)
  • HI1hz250 1:10M poly (67)
• 1:18,489,298 (L15) (68)
  • HI1hz250 1:15M arc (69)
  • HIcoast_arcL12 (70)
  • HI1hz250 1:15M poly (71)
• 1:36,978,595 (L16) (72)
  • HI1hz250 1:15M arc (73)
  • HIcoast_arcL12 (74)
  • HI1hz250 1:15M poly (75)

Tables:

• ds1hz250_10M (76)
• ds1hz250_15M (77)
• ds1hz250_5M (78)

Description:

Copyright Text: US Geological Survey National Seismic Hazard Mapping Program

Spatial Reference: 102100  (3857)


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Document Info:

Title: HI 1Hz 2% in 50 years
Author: Ken Rukstales (rukstales@usgs.gov)
Comments: Probabilistic seismic-hazard maps were prepared for Hawaii 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 2 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.er.usgs.gov/publication/i2724, http://bssa.geoscienceworld.org/content/91/3/479, and http://earthquake.usgs.gov/hazards/
Subject: Horizontal Spectral Response Acceleration for 1.0-second Period with 2% Probability of Exceedance in 50 Years (1998)
Category:
Keywords: earthquake,hazard,1Hz,1.0-second,seismic,Hawaii
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