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3. Chance of potentially damaging ground shaking (MMI = VI) in 100 years

Dates

Publication Date
Validity Begins
2018

Citation

Rukstales, K.S., and Petersen, M.D., 2019, Data Release for 2018 Update of the U.S. National Seismic Hazard Model: U.S. Geological Survey data release, https://doi.org/10.5066/P9WT5OVB.

Summary

These data represent the chance of experiencing potentially damaging ground shaking for fixed ground shaking levels that corresponds with Modified Mercalli Intensity (MMI) equal to VI, in 100 years. The values are obtained by averaging the probability of experiencing MMI VI based on a peak ground acceleration, and the probability of experiencing MMI VI based on 1.0-second spectral acceleration. Ground motions are amplified using topographic, slope-based Vs30 values (Wald and Allen, 2007).

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ProbMMI_VI_100Yrs_VariableVs30.jpg
“Map in JPEG format”
thumbnail 609.24 KB
ProbMMI_VI_100Yrs_VariableVs30.pdf
“Map in PDF format”
1.43 MB
ProbMMI_VI_100Yrs_VariableVs30.csv
“Gridded data”
2.64 MB

Purpose

This dataset is intended to provide an estimate of the chance of potentially damaging ground shaking in 100 years, based on the 2018 update to the USGS National Seismic Hazard Model.
Map in JPEG format
Map in JPEG format

Communities

  • USGS Data Release Products

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