Data for analyzing Precariously Balanced Rocks (PBRs) in the northeastern U.S. to estimate maximum post-glacial ground motions
This work describes the data used to characterize boulders and their pedestals in the northeastern U.S. (Maine, New Hampshire, Massachusetts), which are used to calculate maximum plausible earthquake magnitudes in the surrounding region as well as scaling factors for the 2023 time-independent National Seismic Hazard Model site-specific hazard curves (Petersen et al., 2024). The work represents the current best-practice for validating hazard curves using precariously balanced rocks (e.g., Rood et al., 2020; McPhillips and Pratt, 2024). These data support the paper by Stirling and Pratt (2026) referenced below. A detailed description of the methodology is contained in the Pratt et al. (2026) paper referenced below.
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "010:12" ] |
| contactPoint |
{ "fn": "Thomas L Pratt", "@type": "vcard:Contact", "hasEmail": "mailto:tpratt@usgs.gov" } |
| description | This work describes the data used to characterize boulders and their pedestals in the northeastern U.S. (Maine, New Hampshire, Massachusetts), which are used to calculate maximum plausible earthquake magnitudes in the surrounding region as well as scaling factors for the 2023 time-independent National Seismic Hazard Model site-specific hazard curves (Petersen et al., 2024). The work represents the current best-practice for validating hazard curves using precariously balanced rocks (e.g., Rood et al., 2020; McPhillips and Pratt, 2024). These data support the paper by Stirling and Pratt (2026) referenced below. A detailed description of the methodology is contained in the Pratt et al. (2026) paper referenced below. |
| distribution |
[ { "@type": "dcat:Distribution", "title": "Digital Data", "format": "XML", "accessURL": "https://doi.org/10.5066/P13SXGWX", "mediaType": "application/http", "description": "Landing page for access to the data" }, { "@type": "dcat:Distribution", "title": "Original Metadata", "format": "XML", "mediaType": "text/xml", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.6894e2dfd4be0274c8e01149.xml" } ] |
| identifier | http://datainventory.doi.gov/id/dataset/USGS_6894e2dfd4be0274c8e01149 |
| keyword |
[ "Maine", "Massachusetts", "New Hampshire", "USGS:6894e2dfd4be0274c8e01149", "earthquake", "geomorphology", "geoscientificInformation", "seismology" ] |
| modified | 2026-02-18T00:00:00Z |
| publisher |
{ "name": "U.S. Geological Survey", "@type": "org:Organization" } |
| spatial | -72.8394, 41.7713, -70.1147, 44.4652 |
| theme |
[ "geospatial" ] |
| title | Data for analyzing Precariously Balanced Rocks (PBRs) in the northeastern U.S. to estimate maximum post-glacial ground motions |
