Gridded risk-targeted spectral response acceleration data and 84th-percentile spectral acceleration data used to calculate the Risk-Targeted Maximum Considered Earthquake (MCER) spectral response accelerations of the 2020 NEHRP Recommended Seismic Provisions, and 2022 ASCE/SEI 7 Standard for Puerto Rico and the U.S. Virgin Islands.

The Risk-Targeted Maximum Considered Earthquake (MCER) spectral response accelerations of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7 Standard are derived from the downloadable data files. For each spectral period and site class, the MCER spectral response acceleration (S_aM) is calculated via the following equation: S_aM = min[ S_aRT , max( S_a84th , S_aDLL ) ] where S_aRT = risk-targeted spectral acceleration S_a84th = 84th-percentile spectral acceleration S_aDLL = deterministic lower limit spectral acceleration

Data e Risorse

Campo Valore
accessLevel public
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identifier USGS:5d40a5a3e4b01d82ce8d9d7c
metadata_type geospatial
modified 20210611
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publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
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theme {geospatial}
Gruppi
  • AmeriGEOSS
  • National Provider
  • North America
Tag
  • 2020
  • 2020-nehrp
  • 2022
  • 2022-asce-sei-7
  • amerigeo
  • amerigeoss
  • ckan
  • earthquakes
  • engineering-sciences
  • geo
  • geoss
  • hazards
  • national
  • north-america
  • puerto-rico
  • risk
  • seismic
  • seismology
  • standards
  • united-states
  • united-states-virgin-islands
  • usa
  • usgs-5d40a5a3e4b01d82ce8d9d7c
isopen False
license_id notspecified
license_title License not specified
maintainer Nicolas Luco
maintainer_email nluco@usgs.gov
metadata_created 2025-11-21T02:48:16.580229
metadata_modified 2025-11-21T02:48:16.580233
notes The Risk-Targeted Maximum Considered Earthquake (MCER) spectral response accelerations of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7 Standard are derived from the downloadable data files. For each spectral period and site class, the MCER spectral response acceleration (S_aM) is calculated via the following equation: S_aM = min[ S_aRT , max( S_a84th , S_aDLL ) ] where S_aRT = risk-targeted spectral acceleration S_a84th = 84th-percentile spectral acceleration S_aDLL = deterministic lower limit spectral acceleration
num_resources 2
num_tags 23
title Gridded risk-targeted spectral response acceleration data and 84th-percentile spectral acceleration data used to calculate the Risk-Targeted Maximum Considered Earthquake (MCER) spectral response accelerations of the 2020 NEHRP Recommended Seismic Provisions, and 2022 ASCE/SEI 7 Standard for Puerto Rico and the U.S. Virgin Islands.