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The U.S. National Seismic Hazard Model (NSHM) was updated in 2023 for all 50 states using the best available science related to earthquake seismicity, fault ruptures, ground motions, and hazard...
Search relevance: 1.00 | Views last month: 25 | Catalog Last Checked: August 01, 2026 at 04:43 AM -
The Significant Earthquake Database is a global listing of over 5,700 earthquakes from 2150 BC to the present. A significant earthquake is classified as one that meets at least one of the...
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Success Dam spillway seismic refraction survey, Porterville, California, December 2018 and July 2019
Compressional- (P-) wave seismic refraction data were acquired in December 2018 and July 2019 along fourteen profiles within the spillway of Success Dam in Porterville, California. A new concrete...
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For designing buildings and other structures to safely resist earthquakes, the 2009 NEHRP Recommended Seismic Provisions and the 2010 ASCE/SEI 7 Standard contain maps of long-period transition...
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In November 2016, the U.S. Geological Survey acquired high-resolution P- and S-wave seismic data across the surface trace of the West Napa Fault zone at Saintsbury Winery in Napa, California. We...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 01, 2026 at 04:56 AM -
In 2016, the U.S. Geological Survey, in cooperation with the New York State Department of Environmental Conservation, collected horizontal-to-vertical seismic soundings at 31 locations in the...
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This dataset contains earthquake catalogs compiled for Alaska from U.S. Geolgical Survey (USGS) Advanced National Seismic System (ANSS) Comprehensive Earthquake Catalog (ComCat) (USGS, 2017) and...
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In November 2016, the U.S. Geological Survey acquired high-resolution P- and S-wave seismic data across the surface trace of the West Napa Fault zone near Buhman Avenue in Napa, California. We...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 04:16 AM -
The data set consists of text files used to create the synthetic seismogram - Cooper City Water Treatment Plant, G-2966,(Concentrate Disposal #1), Broward County, Florida.
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 03:27 AM -
The Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2009 NEHRP Recommended Seismic Provisions and the 2010 ASCE/SEI 7 Standard are calculated from...
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This database complements the following publication: "A Ground Motion Model for GNSS Peak Ground Displacement", by Goldberg, D.E., et al., submitted to Bulletin of the Seismological Society of...
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In May 2019, the U.S. Geological Survey acquired high resolution P- and S-wave seismic data near six seismic network recording stations in San Bernardino County, California: Southern California...
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This data set represents the chance of potentially damaging ground shaking (MMI=VI) in 100 years for a grid of points with a spacing of 0.02 degrees in latitude and longitude. Using the...
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This submission includes the geographic extent shapefile of the Milford FORGE site located in Utah, along with a shapefile of seismometer positions throughout the area, and models of basin depth...
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In June of 2021, the U.S. Geological Survey conducted a high-resolution seismic survey at Winters, California. Seismic data were acquired using a DTCC SmartSolo 3-component nodal seismograph...
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This dataset consists of over 800 field observations of ground failure (landslides, lateral spreading, and liquefaction) and other damage triggered by the 2019-2020 Puerto Rico earthquake...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:55 AM -
In August 2017, the U.S. Geological Survey acquired high-resolution P- and S-wave seismic data near six Southern California Seismic Network (SCSN) recording stations in southern California: CI.OLI...
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The data set consists of time, depth, reflection coefficient synthetic, sonic velocity, density, and amplitude used to create synthetic seismogram - City of Hallandale Utility, G-2973, Broward...
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The PoroTomo team has completed inverse modeling of the three data sets (seismology, geodesy, and hydrology) individually, as described previously. The estimated values of the material properties...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 01:00 AM -
This data release complements the following publication: D.E. Goldberg and others (2025). Ultralong, supershear rupture of the 2025 Mw 7.7 Mandalay earthquake reveals unaccounted risk. Science...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:25 AM
