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  3. Seismic Hazard, Risk, and Design for South America
  4. 2) Probabilistic seismic hazard maps and data for South America
  5. 0.2-second spectral response acceleration (5% of critical damping) with a 10% probability of exceedance in 50 years

0.2-second spectral response acceleration (5% of critical damping) with a 10% probability of exceedance in 50 years

Dates

Publication Date

Citation

Petersen, M.D., Harmsen, S.C., Jaiswal, K.S., Rukstales, K.S., Luco, N., Haller, K.M., Mueller, C.S., and Shumway, A.M., 2018, Seismic Hazard, Risk, and Design for South America: U.S. Geological Survey data release, https://doi.org/10.5066/F7Wm1BK1.

Summary

A seismic hazard model for South America, based on a smoothed (gridded) seismicity model, a subduction model, a crustal fault model, and a ground motion model, has been produced by the U.S. Geological Survey. These models are combined to account for ground shaking from earthquakes on known faults as well as earthquakes on un-modeled faults. This data set represents the results of calculations of hazard curves for a grid of points with a spacing of 0.1 degrees in latitude and longitude. This particular data set is for horizontal spectral response acceleration for 0.2-second period with a 10 percent probability of exceedance in 50 years.

Contacts

Contact :
Kenneth S Rukstales
Originator :
Mark D Petersen, Stephen C Harmsen, Kishor Jaiswal, Kenneth S Rukstales, Nicolas Luco, Kathleen M Haller, Charles S Mueller, Allison M Shumway
Data Owner :
Earthquake Hazards Program
USGS Mission Area :
Natural Hazards
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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SA_10PctIn50Yrs_5Hz_grid.xml
Original FGDC Metadata
View 		11.63 KB application/fgdc+xml
SA_5Hz_10PctIn50yrs.png
“Map in PNG format” 		thumbnail 3.47 MB image/png
SA_5Hz_10PctIn50yrs.pdf
“Map in PDF format” 		1.42 MB application/pdf
SA_10PctIn50Yrs_5Hz_grid.dat
“Gridded ground motion data” 		11.93 MB text/plain
Shapefile: SA_10PctIn50Yrs_5Hz.zip
SA_10PctIn50Yrs_5Hz.dbf 30.69 KB
SA_10PctIn50Yrs_5Hz.prj 145 Bytes
SA_10PctIn50Yrs_5Hz.shp 2.64 MB
SA_10PctIn50Yrs_5Hz.shx 1.06 KB

Purpose

This map is intended to summarize the available quantitative information about seismic ground motion hazard for South America from geologic and geophysical sources.
Map in PNG format
Map in PNG format

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