National Seismic Hazard Maps from the USGS National Seismic Hazard Mapping Project
Entry ID: USGS_NSHMP

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Summary
Abstract: The National Seismic Hazard Mapping Project (NSHMP) provides online
maps: http://eqhazmaps.usgs.gov/index.html

The hazard maps depict probabilistic ground motions and spectral
response with 10%, 5%, and 2% probabilities of exceedance (PE) in 50
years. These maps correspond to return times of approximately 500,
1000, and 2500 years, respectively. The maps are based on the
assumption that earthquake occurrence is Poissonian, so that the
probability of occurrence is time-independent.

The maps cover all of the U.S. including Hawaii and Alaska along with
other pertinent information related to earthquake hazards.
Related URL

Description: Documentation about the seismic maps.
Geographic Coverage
Spatial coordinates   
  N: 50.0   S: 25.0   E: -65.0   W: -125.0
  N: 72.0   S: 50.0   E: -130.0   W: 170.0
  N: 23.0   S: 18.0   E: -154.0   W: -161.0

Data Set Citation
Dataset Originator/Creator: Frankel, A., Mueller, C., Barnhard, T., Perkins, D., Leyendecker, E.V., Dickman, N., Hanson, S., and Hopper, M.
Dataset Title: National Seismic Hazard Maps
Dataset Release Date: 1996
Dataset Release Place: Golden, CO
Dataset Publisher: USGS
Issue Identification: Open-File 96-532
Online Resource: http://geohazards.cr.usgs.gov/
ISO Topic Category
Use Constraints "Although these maps 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 maps and related material nor shall the fact of distribution
constitute any such warranty, and no responsibility is assumed by the
USGS in connection therewith."
Data Set Progress
IN WORK
Originating Center
Data Center
Geologic Hazards Team, Central Region, Geology Division, USGS, U.S. Department of the Interior Supplemental Info
Data Center URL: http://geohazards.cr.usgs.gov/

Data Center Personnel
Name: USGS GEOLOGIC HAZARDS TEAM
Phone: (303) 273-8571
Fax: (303) 273-8600
Contact Address:
USGS/CRGHT
MS 966 Box 25046
City: Denver
Province or State: CO
Postal Code: 80225
Country: USA
Distribution
Distribution Media: online web, ftp
Fees: online fre, hardcopy prices vary
Publications/References
Creation and Review Dates
DIF Creation Date: 2002-03-04
Last DIF Revision Date: 2008-05-27
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