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Chance of moderate (MMI ≥ VII) damaging earthquake shaking in 100 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

This maps portrays the spatial potential for damaging earthquake ground shaking quantified as moderate (MMI ≥ VII) in 100 years. The maps and data are based on the average of the results obtained from peak ground acceleration and 1.0-second horizontal spectral acceleration. Site specific soil factors based on Vs30 shear wave velocities were implemented using a simple topographic proxy technique (Allen and Wald, 2009) and site amplification based on the relationships of Seyhan and Stewart (2014). MMI ≥ VII is equivalent to peak ground acceleration of 0.22g and 1.0-second horizontal spectral acceleration of 0.23g (Worden et al., 2012). Allen, T.A. and Wald, D.J. 2009,. On the use of high-resolution topographic data as a proxy for [...]

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Attached Files

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ProbMMI7_100yrs_w_soils.pdf
“Map in PDF format”
168.04 KB application/pdf
ProbMMI7_100yrs_w_soils.png
“Map in PNG format”
thumbnail 186.85 KB image/png
SAavg_ProbMMI7_100yrs_soil.dat
“Gridded data”
9.13 MB text/plain
SAavg_ProbMMI7_100yrs_soil.xml
Original FGDC Metadata

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11.89 KB application/fgdc+xml

Purpose

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

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