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Surficial Geologic Map of Vermont, 1970 - Rocklines, Striations, Till Fabric
The GeologicSurficial_SURFICIAL data consists of surficial geologic features as digitized from the 1:62,500 15 minute series USGS quadrangle map sheets, compiled by The Vermont... -
CGS Map Sheet 48: Earthquake Shaking Potential for California (revised 2016)
The California Geological Survey published maps of “Earthquake Shaking Potential for California” in 1999 and has revised the maps following each update of the National Seismic... -
CGS Map Sheet 48: Shear-wave Velocity in Upper 30m of Surficial Geology (Vs30)
This dataset represents simplified geologic units that have been correlated to the time-averaged seismic shear-wave velocity in the upper 30 meters of the earth’s surface... -
Landslides
This compilation includes sites from existing county-wide landslide inventories, Vermont Geological Survey surficial geologic maps and publications, and sites from Vermont... -
CGS Information Warehouse: Regulatory Maps
Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory "Zones of Required... -
Surficial Geologic Map of Vermont, 1970 - Units
The GeologicSurficial_SURFICIAL data consists of surficial geologic features as digitized from the 1:62,500 15 minute series USGS quadrangle map sheets, compiled by The Vermont... -
CA Bulletin 118 Groundwater Basins 2003
The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resources (Bulletin 118, 2003).... -
CGS Map Sheet 48: Shear-wave Velocity in Upper 30m of Surficial Geology (Vs30)
This dataset represents simplified geologic units that have been correlated to the time-averaged seismic shear-wave velocity in the upper 30 meters of the earth’s surface... -
CGS Map Sheet 48: Historic Earthquakes, 1769 to 2015 - California (Magnitude ...
Epicenters of known M≥5 earthquakes from 1769 to 2016 are shown for California and a 100 km area bordering the state. Earthquakes are grouped by: M = 5-6; M = 6-7; M = 7+. -
CGS Information Warehouse: Regulatory Maps
Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory "Zones of Required... -
Surficial Geologic Map of Vermont, 1970 - Sand and Gravel Pits
The GeologicSurficial_SURFICIAL data consists of surficial geologic features as digitized from the 1:62,500 15 minute series USGS quadrangle map sheets, compiled by The Vermont... -
CA Bulletin 118 Groundwater Basins
The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resources as last modified by the... -
CGS Map Sheet 48: Earthquake Shaking Potential for California (revised 2016)
The California Geological Survey published maps of “Earthquake Shaking Potential for California” in 1999 and has revised the maps following each update of the National Seismic... -
Loudoun Geologic Surficial
More Metadata Surficial is one of four layers which collectively describe the subsurface geologic formation, structural geology and surficial deposits. Surficial is the mapping... -
CGS Map Sheet 48: Historic Earthquakes, 1769 to 2015 - California (Magnitude ...
Epicenters of known M≥5 earthquakes from 1769 to 2016 are shown for California and a 100 km area bordering the state. Earthquakes are grouped by: M = 5-6; M = 6-7; M = 7+. -
i08 B118 CA GroundwaterBasins
The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resources as last modified by the... -
CGS Map Sheet 48: Historic Earthquakes, 1769 to 2015 - California (Magnitude ...
Epicenters of known M≥5 earthquakes from 1769 to 2016 are shown for California and a 100 km area bordering the state. Earthquakes are grouped by: M = 5-6; M = 6-7; M = 7+. -
CGS Map Sheet 48: Fault-based seismic sources used in the Uniform California ...
Data show fault-based seismic sources used in the time-independent component of the Uniform California Earthquake Rupture Forecast, Version 3 (UCERF3), which provides... -
CGS Map Sheet 48: Fault-based seismic sources used in the Uniform California ...
Data show fault-based seismic sources used in the time-independent component of the Uniform California Earthquake Rupture Forecast, Version 3 (UCERF3), which provides... -
CGS Information Warehouse: Regulatory Maps
Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory "Zones of Required...
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