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Federal
NCEI/WDS Global Significant Earthquake Database, 2150 BC to Present
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
Marine Trackline Geophysical Database NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is... -
Federal
Research hazard model for the 2021 update to the National Seismic Hazard Model for Hawaii
Department of the Interior —
A research model (RM) was prepared, which incorporates declustered rate grids that are scaled to account for the total number of earthquakes in the full catalog (with... -
Federal
Data Release for the 2021 Update of the U.S. National Seismic Hazard Model for Hawaii
Department of the Interior —
The 2021 update of the U.S. National Seismic Hazard Model for Hawaii succeeds the twenty-year-old former model by incorporating new data and modeling techniques to... -
Federal
Uniform-hazard ground motion maps for the conterminous U.S., Alaska, and Hawaii
Department of the Interior —
Uniform-hazard ground motion maps and their underlying GIS data were prepared for PGA and horizontal spectral accelerations at 0.2, 1.0, and 5.0 second period, with a... -
Federal
Data Release for the 2023 U.S. 50-State National Seismic Hazard Model - Overview
Department of the Interior —
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,... -
Federal
Field observations of ground failure triggered by the 2020 Puerto Rico earthquake sequence
Department of the Interior —
This dataset consists of over 800 field observations of ground failure (landslides, lateral spreading, and liquefaction) and other damage triggered by the 2019-2020... -
Federal
Strong Motion Earthquake Data Values of Digitized Strong-Motion Accelerograms, 1933-1994 (Superseded Version)
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA National Centers for Environmental Information decommissioned the Strong Motion Earthquake Data Values of Digitized Strong-Motion Accelerograms, 1933-1994 on... -
Federal
High-resolution seismic imaging of the West Napa Fault Zone at Buhman Avenue, Napa, California
Department of the Interior —
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... -
Federal
Lamont Doherty Seismic Reflection Scanned Images
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains single channel seismic reflection profiles as provided to NGDC by Lamont Doherty Earh Observatory (LDEO). The profiles were originally provided... -
Federal
Synthetic Seismogram Data for Correlation Between Seismic-Reflection Profiles and Well Data, Broward County, Florida
Department of the Interior —
Synthetic seismograms provide a means to calibrate (groundtruth) seismic-reflection profiles to specific subsurface stratigraphic features observed in one-dimensional... -
Federal
PLT-I1 : Synthetic Seismogram Data for Correlation Between Seismic-Reflection Profiles and Well Data, Broward County, Florida
Department of the Interior —
The data set consists of time, depth, reflection coefficient synthetic, sonic velocity, density, and amplitude used to create synthetic seismogram - City of... -
Federal
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.
Department of the Interior —
The Risk-Targeted Maximum Considered Earthquake (MCER) spectral response accelerations of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7 Standard... -
Federal
An Updated Vs30 Map for California with Geologic and Topographic Constraints (ver. 1.1, July 2022)
Department of the Interior —
This data release provides a map of the time-averaged shear-wave velocity in the upper 30 m (Vs30) for California using the method described by Thompson and others... -
Federal
Gridded uniform hazard peak ground acceleration data and 84th-percentile peak ground acceleration data used to calculate the Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7 Standard for Hawaii.
Department of the Interior —
The Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7... -
Federal
Inventory of landslides triggered by the 2020 Puerto Rico earthquake sequence
Department of the Interior —
Here we present an inventory of remotely and field-observed landslides triggered by 2019-2020 Puerto Rico earthquake sequence. The inventory was mapped using pre- and... -
Federal
Worldwide Database of Analog Marine Seismics, Bathymetry, Magnetics, and Gravity Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The Analog Marine Geophysical Underway data file consists primarily of seismic data and some bathymetry, magnetics, and gravity data. Most of the data are released to... -
Federal
Marine Trackline Geophysical Database for Sub-Bottom Seismic Data NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
Marine Trackline Geophysical data represented by sub-bottom seismic data, which we sometimes also call chirp (based on its operating mode), uses a 3.5 kHz operating... -
Federal
G-2946 : Synthetic Seismogram Data for Correlation Between Seismic-Reflection Profiles and Well Data, Broward County, Florida
Department of the Interior —
The data set consists of text files used to create the synthetic seismogram - City of Miramar, G-2946, (IW-2), Broward County, Florida. -
Federal
Data Release for the 2018 U.S. Geological Survey–California Geological Survey Fault-Imaging Surveys Across the Hollywood and Santa Monica Faults, Los Angeles County, California
Department of the Interior —
We acquired multiple types of controlled-source seismic data across the Hollywood Fault in Hollywood, Calif., and the Santa Monica Fault in Beverly Hills, Calif., in...