Conterminous US, Gridded Data Values, 1996

These data are also available via ftp - see GENERAL: Anonymous FTP
ASCII files of gridded points used to make maps - lon, lat, value (%g) 3rd line in each file gives period, annual frequency of exceedance (PE = probability of SW, PGA = peak ground acceleration, SA = spectral acceleration)
0.1 degree grid spacing for entire country File sizes = approximately 7 Mb each
PGA with 10% PE in 50 yrs	0.3 sec SA with 10% PE in 50 yrs
PGA with 5% PE in 50 yrs	0.3 sec SA with 5% PE in 50 yrs
PGA with 2% PE in 50 yrs	0.3 sec SA with 2% PE in 50 yrs
0.2 sec SA with 10% PE in 50 yrs	1.0 sec SA with 10% PE in 50 yrs
0.2 sec SA with 5% PE in 50 yrs	1.0 sec SA with 5% PE in 50 yrs
0.2 sec SA with 2% PE in 50 yrs	1.0 sec SA with 2% PE in 50 yrs
0.05 degree grid spacing for CA,NV, most of Utah 32 ° - 43°N, 125° - 111°W File sizes = approximately 3 Mb each
PGA with 10% PE in 50 yrs	0.3 sec SA with 10% PE in 50 yrs
PGA with 5% PE in 50 yrs	0.3 sec SA with 5% PE in 50 yrs
PGA with 2% PE in 50 yrs	0.3 sec SA with 2% PE in 50 yrs
0.2 sec SA with 10% PE in 50 yrs	1.0 sec SA with 10% PE in 50 yrs
0.2 sec SA with 5% PE in 50 yrs	1.0 sec SA with 5% PE in 50 yrs
0.2 sec SA with 2% PE in 50 yrs	1.0 sec SA with 2% PE in 50 yrs

Although these data have been used by the U.S. Geological Survey, no warranty, expressed or implied is made by the USGS as to the accuracy of the data and related material nor shall the fact of distribution constitute any such warranty, and no responsibility is assumed by the USGS in connection therewith.