Revision III Curve Data

Since the data were submitted to the Building Seismic Safety Council the following additional changes are recommended for future updates of the hazard maps. The December 2008 maps are referred to as Revision II.

Region Spectral Acceleration VS30 Download
Central/Eastern U.S. Peak Ground Acceleration 2,000 m/s Text (8 Mb)
Central/Eastern U.S. 0.1 Second Sa (10.0 Hz) 2,000 m/s Text (8 Mb)
Central/Eastern U.S. 0.2 Second Sa (5.0 Hz) 2,000 m/s Text (8 Mb)
Central/Eastern U.S. 0.3 Second Sa (3.33 Hz) 2,000 m/s Text (8 Mb)
Central/Eastern U.S. 0.5 Second Sa (2 Hz) 2,000 m/s Text (8 Mb)
Central/Eastern U.S. 1.0 Second Sa (1.0 Hz) 2,000 m/s Text (8 Mb)
Central/Eastern U.S. 2.0 Second Sa (0.5 Hz) 2,000 m/s Text (8 Mb)
Conterminous U.S. Peak Ground Acceleration 760 m/s Text (31 Mb)
Conterminous U.S. 0.1 Second Sa (10.0 Hz) 760 m/s Text (33 Mb)
Conterminous U.S. 0.2 Second Sa (5.0 Hz) 760 m/s Text (31 Mb)
Conterminous U.S. 0.3 Second Sa (3.33 Hz) 760 m/s Text (32 Mb)
Conterminous U.S. 0.5 Second Sa (2 Hz) 760 m/s Text (32 Mb)
Conterminous U.S. 1.0 Second Sa (1.0 Hz) 760 m/s Text (33 Mb)
Conterminous U.S. 2.0 Second Sa (0.5 Hz) 760 m/s Text (33 Mb)
Western U.S. Peak Ground Acceleration 1,150 m/s Text (14 Mb)
Western U.S. Peak Ground Acceleration 180 m/s Text (16 Mb)
Western U.S. Peak Ground Acceleration 259 m/s Text (16 Mb)
Western U.S. Peak Ground Acceleration 360 m/s Text (16 Mb)
Western U.S. Peak Ground Acceleration 537 m/s Text (16 Mb)
Western U.S. 0.1 Second Sa (10.0 Hz) 1,150 m/s Text (17 Mb)
Western U.S. 0.1 Second Sa (10.0 Hz) 180 m/s Text (17 Mb)
Western U.S. 0.1 Second Sa (10.0 Hz) 259 m/s Text (17 Mb)
Western U.S. 0.1 Second Sa (10.0 Hz) 360 m/s Text (17 Mb)
Western U.S. 0.1 Second Sa (10.0 Hz) 537 m/s Text (17 Mb)
Western U.S. 0.2 Second Sa (5.0 Hz) 1,150 m/s Text (14 Mb)
Western U.S. 0.2 Second Sa (5.0 Hz) 180 m/s Text (16 Mb)
Western U.S. 0.2 Second Sa (5.0 Hz) 259 m/s Text (16 Mb)
Western U.S. 0.2 Second Sa (5.0 Hz) 360 m/s Text (16 Mb)
Western U.S. 0.2 Second Sa (5.0 Hz) 537 m/s Text (16 Mb)
Western U.S. 0.3 Second Sa (3.33 Hz) 1,150 m/s Text (14 Mb)
Western U.S. 0.3 Second Sa (3.33 Hz) 180 m/s Text (17 Mb)
Western U.S. 0.3 Second Sa (3.33 Hz) 259 m/s Text (17 Mb)
Western U.S. 0.3 Second Sa (3.33 Hz) 360 m/s Text (17 Mb)
Western U.S. 0.3 Second Sa (3.33 Hz) 537 m/s Text (17 Mb)
Western U.S. 0.5 Second Sa (2 Hz) 1,150 m/s Text (16 Mb)
Western U.S. 0.5 Second Sa (2 Hz) 180 m/s Text (17 Mb)
Western U.S. 0.5 Second Sa (2 Hz) 259 m/s Text (17 Mb)
Western U.S. 0.5 Second Sa (2 Hz) 360 m/s Text (17 Mb)
Western U.S. 0.5 Second Sa (2 Hz) 537 m/s Text (17 Mb)
Western U.S. 0.75 Second Sa (1.33 Hz) 1,150 m/s Text (17 Mb)
Western U.S. 0.75 Second Sa (1.33 Hz) 180 m/s Text (18 Mb)
Western U.S. 0.75 Second Sa (1.33 Hz) 259 m/s Text (17 Mb)
Western U.S. 0.75 Second Sa (1.33 Hz) 360 m/s Text (17 Mb)
Western U.S. 0.75 Second Sa (1.33 Hz) 537 m/s Text (17 Mb)
Western U.S. 0.75 Second Sa (1.33 Hz) 760 m/s Text (17 Mb)
Western U.S. 1.0 Second Sa (1.0 Hz) 1,150 m/s Text (14 Mb)
Western U.S. 1.0 Second Sa (1.0 Hz) 180 m/s Text (17 Mb)
Western U.S. 1.0 Second Sa (1.0 Hz) 259 m/s Text (17 Mb)
Western U.S. 1.0 Second Sa (1.0 Hz) 360 m/s Text (17 Mb)
Western U.S. 1.0 Second Sa (1.0 Hz) 537 m/s Text (17 Mb)
Western U.S. 2.0 Second Sa (0.5 Hz) 1,150 m/s Text (13 Mb)
Western U.S. 2.0 Second Sa (0.5 Hz) 180 m/s Text (17 Mb)
Western U.S. 2.0 Second Sa (0.5 Hz) 259 m/s Text (17 Mb)
Western U.S. 2.0 Second Sa (0.5 Hz) 360 m/s Text (17 Mb)
Western U.S. 2.0 Second Sa (0.5 Hz) 537 m/s Text (16 Mb)
Western U.S. 3.0 Second Sa (0.33 Hz) 1,150 m/s Text (14 Mb)
Western U.S. 3.0 Second Sa (0.33 Hz) 180 m/s Text (17 Mb)
Western U.S. 3.0 Second Sa (0.33 Hz) 259 m/s Text (16 Mb)
Western U.S. 3.0 Second Sa (0.33 Hz) 360 m/s Text (16 Mb)
Western U.S. 3.0 Second Sa (0.33 Hz) 537 m/s Text (15 Mb)
Western U.S. 3.0 Second Sa (0.33 Hz) 760 m/s Text (14 Mb)
Western U.S. 4.0 Second Sa (0.25 Hz) 1,150 m/s Text (13 Mb)
Western U.S. 4.0 Second Sa (0.25 Hz) 180 m/s Text (16 Mb)
Western U.S. 4.0 Second Sa (0.25 Hz) 259 m/s Text (16 Mb)
Western U.S. 4.0 Second Sa (0.25 Hz) 360 m/s Text (15 Mb)
Western U.S. 4.0 Second Sa (0.25 Hz) 537 m/s Text (14 Mb)
Western U.S. 4.0 Second Sa (0.25 Hz) 760 m/s Text (13 Mb)
Western U.S. 5.0 Second Sa (0.2 Hz) 1,150 m/s Text (12 Mb)
Western U.S. 5.0 Second Sa (0.2 Hz) 180 m/s Text (16 Mb)
Western U.S. 5.0 Second Sa (0.2 Hz) 259 m/s Text (15 Mb)
Western U.S. 5.0 Second Sa (0.2 Hz) 360 m/s Text (15 Mb)
Western U.S. 5.0 Second Sa (0.2 Hz) 537 m/s Text (14 Mb)
Western U.S. 5.0 Second Sa (0.2 Hz) 760 m/s Text (13 Mb)