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Chance of potentially minor-damage ground shaking in 2018 based on the average of horizontal spectral response acceleration for 1.0-second period and peak ground acceleration for the Western United States

Dates

Publication Date
Start Date
2018-01-01
End Date
2018-12-31

Citation

Petersen, M.D., Mueller, C.S., Moschetti, M.P., Hoover, S.M., Rukstales, K.S., McNamara, D.E., Williams, R.A., Shumway, A.M., Powers, P.M., Earle, P.S., Llenos, A.L., Michael, A.J., Rubinstein, J.L., Norbeck, J.H., and Cochran, E.S., 2018, Data Release for 2018 One-Year Seismic Hazard Forecast for the Central and Eastern United States from Induced and Natural Earthquakes, U.S. Geological Survey data release, https://doi.org/10.5066/F7Cf9PC4.

Summary

These data sets are the results of calculations of hazard curves for a grid of points with a spacing of 0.05 degrees in latitude and longitude. They represent the chance of experiencing potentially damaging ground shaking for fixed ground shaking levels that corresponds with MMI = VI. The values are obtained by averaging the probability of experiencing MMI = VI based on a peak ground acceleration value of 0.1155 g for site class D, and the probability of experiencing MMI = VI based on 1.0-second spectral acceleration value of 0.102 g for site class D. The data are for the Western United States.

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ProbMMI6Shaking_2018.png thumbnail 201.37 KB image/png
ProbMMI6Shaking_2018.pdf 5.76 MB application/pdf
Shapefile: WUS_ProbMMI6Shaking.zip
WUS_ProbMMI6Shaking.dbf 319 Bytes
WUS_ProbMMI6Shaking.prj 431 Bytes
WUS_ProbMMI6Shaking.shp 363.98 KB
WUS_ProbMMI6Shaking.shx 284 Bytes

Purpose

This map is intended to provide a more robust estimate for the chance of experiencing potentially minor-damage ground shaking from an earthquake by averaging the probabilities obtained from peak ground acceleration hazard curves and hazard curves for 1.0-second spectral response acceleration.
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