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1. Global Surface Displacement Data for Assessing Variability of Displacement at a Point on a Fault [USGS_OFR_2013_1305]
This report presents a global dataset of site-specific surface-displacement data on faults. We have compiled estimates of successive displacements attributed to individual earthquakes, mainly paleoearthquakes, ...


2. Contaminated Sediments Database for Long Island Sound and the New York Bight [USGS_OFR_2003_241]
The Contaminated Sediments Database for Long Island Sound and the New York Bight provides a compilation of published and unpublished sediment texture and contaminant data. This report provides maps ...


3. 2002 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of the Alaska Volcano Observatory [USGS_OFR_2004_1058]
The Alaska Volcano Observatory (AVO) tracks activity at the more than 40 historically active volcanoes of the Aleutian Arc. As of December 31, 2002, 24 of these volcanoes are monitored with short-period ...


4. An Assessment of Volcanic Threat and Monitoring Capabilities in the United States: Framework for a National Volcano Early Warning System [USGS_OFR_2005_1164]
A National Volcano Early Warning System NVEWS is being formulated by the Consortium of U.S. Volcano Observatories (CUSVO) to establish a proactive, fully integrated, national-scale monitoring effort ...


5. Preliminary Assessment of Volcanic and Hydrothermal Hazards in Yellowstone National Park and Vicinity [USGS_OFR_2007_1071]
Possible future violent events in the active hydrothermal, magmatic, and tectonic system of Yellowstone National Park pose potential hazards to park visitors and infrastructure. Most of the national ...


6. Debris Flows and Record Floods from Extreme Mesoscale Convective Thunderstorms over the Santa Catalina Mountains, Arizona [USGS_OFR_2007_1108]
Ample geologic evidence indicates early Holocene and Pleistocene debris flows from the south side of the Santa Catalina Mountains north of Tucson, Arizona, but few records document historical events. ...


7. Landslide Hazards at La Conchita, California [USGS_OFR_2005_1067]
On January 10, 2005, a landslide struck the community of La Conchita in Ventura County, California, destroying or seriously damaging 36 houses and killing 10 people. This was not the first destructive ...


8. Maps Showing the Stratigraphic Framework of South Carolina's Long Bay from Little River to Winyah Bay [USGS_OFR_2004_1013]
South Carolina's Grand Strand is a heavily populated coastal region that supports a large tourism industry. Like most densely developed coastal communities, the potential for property damage and lost ...


9. Coastal Vulnerability Assessment of Assateague Island National Seashore (ASIS) To Sea-Level Rise [USGS_OFR_2004_1020]
A coastal vulnerability index (CVI) was used to map relative vulnerability of the coast to future sea-level rise within Assateague Island National Seashore (ASIS) in Maryland and Virginia. The CVI ...


10. Coastal Vulnerability Assessment of Cape Hatteras National Seashore (CAHA) to Sea-Level Rise [USGS_OFR_2004_1064]
A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within Cape Hatteras National Seashore (CAHA) in North Carolina. The CVI ranks ...


11. Coastal Vulnerability Assessment of Cumberland Island National Seashore (Cuis) To Sea-Level Rise [USGS_OFR_2004_1196]
A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within Cumberland Island National Seashore in Georgia. The CVI ranks the following ...


12. Coastal Vulnerability Assessment of Gulf Islands To Sea-Level Rise [USGS_OFR_2003_108]
A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within Gulf Islands National Seashore (GUIS) in Mississippi and Florida. The CVI ...


13. Coastal Vulnerability Assessment of Olympic National Park To Sea-Level Rise [USGS_OFR_2004_1021]
A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within Olympic National Park (OLYM), Washington. The CVI scores the following in ...


14. Southeastern Louisiana Coastal Classification Maps - Pass Abel to East Timbalier Island [USGS_OFR_2005_1003]
This data set describes a Coastal Classification Map that extends from Pass Abel to East Timbalier Island. One purpose of the USGS National Assessment of Coastal Change Project is to provide accurate ...


15. West-Central Florida Coastal Classification Maps - Anclote Key to Venice Inlet [USGS_OFR_2003_227]
This data set describes a Coastal Classification Map that extends from Anclote Key to Venice Inlet. One purpose of the USGS National Assessment of Coastal Change Project is to provide accurate representations ...


16. Estimated Water Use in Puerto Rico, 2000 [USGS_OFR_2005_1201]
Water-use data were compiled for the 78 municipios of the Commonwealth of Puerto Rico for 2000. Five offstream categories were considered: public-supply water withdrawals, domestic self-supplied water ...


17. Estimates for Self-Supplied Domestic Withdrawals and Population Served, for Selected Principal Aquifers, Calendar Year 2005 [USGS_OFR_2010_1223]
The National Water-Quality Assessment Program of the U.S. Geological Survey has groundwater studies that focus on water-quality conditions in principal aquifers of the United States. The Program specifically ...


18. Rocky Mountain Snowpack Chemistry at Selected Sites, 1993-2010 [USGS_CO53100]
Rocky Mountain Regional Snowpack Chemistry Monitoring Study Area: High-elevation sites near the Continental Divide in Montana, Wyoming, Idaho, Colorado, New Mexico, and Utah, 1993 to present Study ...


19. Digital Data Sets of Depth-Duration Frequency of Precipitation For Oklahoma [USGS_OFR_99-463]
These geospatial data sets were produced as part of a regional precipitation frequency analysis for Oklahoma. The data sets consist of surface grids of precipitation depths for seven frequencies (expressed ...


20. Estimated Magnitudes and Recurrence Intervals of Peak Flows on the Mousam and Little Ossipee Rivers for the Flood of April 2007 in Southern Maine [USGS_OFR_2007_1146]
Large amounts of rain fell on southern Maine from the afternoon of April 15, 2007, to the afternoon of April 16, 2007, causing substantial damage to houses, roads, and culverts. This report provides ...


21. Geophysical Terranes of the Great Basin and Parts of Surrounding Provinces [USGS_OFR_2004_1008]
This study of geophysical terranes within and surrounding the Great Basin of the western United States integrates geophysical and geologic data to provide new insights on basement composition and ...


22. Radon in Soils of Parts of Cameron, Hidalgo, and Willacy Counties, Texas [USGS_OFR_2005_1423]
This study looks at part of the southern Rio Grande Valley where all of the counties are ranked by USEPA as zone 3. The study area (see index map) includes parts of Cameron, Hidalgo, and Willacy Counites ...


23. Summary Distribution of Slides and Earth Flows in the San Francisco Bay Region, California [USGS_OFR_97_745_C]
This report is a digital database package containing both plotfiles and Geographic Information Systems (GIS) databases of maps of slides and earth flows in the San Francisco Bay Region. The data are ...


24. Land-Cover Change in the Ozark Highlands, 1973–2000 [USGS_OFR_2010_1198]
Led by the Geographic Analysis and Monitoring Program of the U.S. Geological Survey (USGS) in collaboration with the U.S. Environmental Protection Agency (EPA) and the National Aeronautics and Space ...


25. USGS–WHOI–DPRI Coulomb Stress-Transfer Model for the January 12, 2010, MW=7.0 Haiti Earthquake [USGS_OFR_2010_1019]
Using calculated stress changes to faults surrounding the January 12, 2010, rupture on the Enriquillo Fault, and the current (January 12 to 26, 2010) aftershock productivity, scientists from the U.S. ...


26. Digital Database of Selected Aggregate and Related Resources in Ada, Boise, Canyon, Elmore, Gem, and Owyhee Counties, Southwestern Idaho [USGS_OFR_2004_1067]
The U.S. Geological Survey (USGS) compiled a database of aggregate sites and geotechnical sample data for six counties - Ada, Boise, Canyon, Elmore, Gem, and Owyhee - in southwest Idaho as part of ...


27. Middle Pliocene Paleoenvironmental Reconstruction: PRISM2 [USGS_OF99-535]
As part of the USGS Global Change Research effort, the PRISM (Pliocene Research, Interpretation and Synoptic Mapping) Project has documented the characteristics of middle Pliocene climate on a ...


28. Shear Wave Structure of Umbria and Marche, Italy, Strong Motion Seismometer Sites Affected by the 1997-98 Umbria-Marche, Italy, Earthquake Sequence [USGS_OFR_2008_1010]
A long sequence of earthquakes, eight with magnitudes between 5 and 6, struck the Umbria and Marche regions of central Italy between September 26, 1997 and July 1998. The earthquake swarm caused severe ...


29. The National Geochemical Survey - Database and Documentation [USGS_OFR_2004_1001]
The USGS, in collaboration with other federal and state government agencies, industry, and academia, is conducting the National Geochemical Survey (NGS) to produce a body of geochemical ...


30. Geographic Information Systems (GIS) Compilation of Geophysical, Geologic, and Tectonic Data for the Circum-North Pacific [USGS_OFR_99-422]
The accompanying directory structure contains a Geographic Information Systems (GIS) compilation of geophysical, geological, and tectonic data for the Circum-North Pacific. This area includes ...


31. Development of an Impervious-Surface Database for the Little Blackwater River Watershed, Dorchester County, Maryland [USGS_OFR_2007_1308]
Many agricultural and forested areas in proximity to National Wildlife Refuges (NWR) are under increasing economic pressure for commercial or residential development. The upper portion of the Little ...


32. Coastal Circulation and Sediment Dynamics in Hanalei Bay, Kauai, Part IV, Measurements of Waves, Currents, Temperature, Salinity, and Turbidity, June–September 2006 [USGS_OFR_2008_1295]
High-resolution measurements of waves, currents, water levels, temperature, salinity and turbidity were made in Hanalei Bay, northern Kaua?i, Hawai?i, during the summer of 2006 to better understand ...


33. Debris Flows and Floods in Southeastern Arizona from Extreme Precipitation in July 2006-Magnitude, Frequency, and Sediment Delivery [USGS_OFR_2008_1274]
From July 31 to August 1, 2006, an unusual set of atmospheric conditions aligned to produce record floods and an unprecedented number of slope failures and debris flows in southeastern Arizona. During ...


34. Gravity Data from Dry Lake and Delamar Valleys, east-central Nevada [USGS_OFR_2008_1299]
Cenozoic basins in eastern Nevada and western Utah constitute major ground-water recharge areas in the eastern part of the Great Basin, and our continuing studies are intended to characterize the ...


35. Liquefaction Hazard Maps for Three Earthquake Scenarios [USGS_OFR_2008_1270]
Maps showing the probability of surface manifestations of liquefaction in the northern Santa Clara Valley were prepared with liquefaction probability curves. The area includes the communities of San ...


36. Major- and Trace-Element Concentrations in Soils from Northern California: Results from the Geochemical Landscapes Project Pilot Study [USGS_OFR_2008_1306]
In 2004, the U.S. Geological Survey (USGS), the Geological Survey of Canada (GSC), and the Mexican Geological Survey (Servicio Geologico Mexicano, or SGM) initiated pilot studies in preparation for ...


37. Coastal Change Rates and Patterns: Kaloko-Honokohau National Historical Park, Hawaii [USGS_OFR_2005_1069]
A collaborative project between the U.S. Geological Survey's Coastal and Marine Geology Program and the National Park Service (NPS) has been developed to create an inventory of geologic ...


38. Digital Data Sets Describing Water Use, Toxic Chemical Releases, Metropolitan Areas, and Population Density of the Conterminous United States [USGS_OFR_99-78]
This report contains digital data sets describing water use, toxic chemical releases, metropolitan areas, and population density of the conterminous United States. The data source for the water-use ...


39. Emergency Assessment of Debris-Flow Hazards from Basins Burned by the Cedar and Paradise Fires of 2003, Southern California [USGS_OFR_2004_1011]
These maps present preliminary assessments of the probability of debris-flow activity and estimates of peak discharges that can potentially be generated by debris flows issuing from basins burned ...


40. Flooding of the Androscoggin River during December 18-19, 2003, in Canton, Maine [USGS_OFR_2005_1176]
The Androscoggin River flooded the town of Canton, Maine in December 2003, resulting in damage to and (or) evacuation of 44 homes. Streamflow records at the U.S. Geological Survey (USGS) streamflow-gaging ...


41. Potentiometric Surface of the Upper Floridan Aquifer in the Ichetucknee Springshed and Vicinity, Northern Florida, September 2003 [USGS_OFR_2006_1031]
The Upper Floridan aquifer is a highly permeable unit of carbonate rock extending beneath most of Florida and parts of southern Alabama, Georgia, and South Carolina. The high permeability is due in ...


42. Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions and atrazine use estimates included. [USGS_atra_hyd_use]
This dataset is one of eight datasets produced by this study. Four of the datasets predict the probability of detecting atrazine and(or) desethyl-atrazine (a breakdown product of atrazine) in ground ...


43. Bathymetry and selected perspective views of 6 reef and coastal areas in Northern Lake Michigan [USGS_OFR_2003_120]
Bathymetry and selected perspective views of 6 reef and coastal areas in Northern Lake Michigan involves applying state of the art laser technology and derivative imagery to map the detailed morphology ...


44. Bedrock Geologic Map of the Port Wing, Solon Springs, and parts of the Duluth and Sandstone 30' X 60' Quadrangles, Wisconsin [USGS_OFR_2004_1303]
This Open-File Report provides digital data (shapefiles and .e00 files) for the bedrock geology in the Port Wing, Solon Springs, and parts of the Duluth and Sandstone quadrangles in Wisconsin. A ...


45. Bedrock Geology and Mineral Resources of the Knoxville 1 degree x 2 degree Quadrangle, Tennessee, North Carolina, and South Carolina (Digital Version) [USGS_OFR_2004_1075]
The following geographic information system (GIS) data layers provide a digital format for the map plate in Bulletin 1979 (Robinson et al., 1991), Bedrock Geology and Mineral Resources of the Knoxville ...


46. Concentrations of Polycyclic Aromatic Hydrocarbons (PAHs) and Major and Trace Elements in Simulated Rainfall Runoff From Parking Lots, Austin, Texas, 2003 [USGS_OFR_2004_1208]
Samples of creek bed sediment collected near seal-coated parking lots in Austin, Texas, by the City of Austin during 2001-02 had unusually elevated concentrations of polycyclic aromatic hydrocarbons ...


47. Geochemical Analyses of Geologic Materials from Areas of Critical Environmental Concern, Clark and Nye Counties, Nevada [USGS_OFR_2005_1450]
An assessment by the U.S. Geological Survey (USGS), Nevada Bureau of Mines and Geology (NBMG), and University of Nevada, Las Vegas (UNLV) is in progress of known and undiscovered mineral resources ...


48. Geologic and Mineral Resource Map of Afghanistan [USGS_OFR_2006_1038]
This map shows the physical characteristics, geology and mineral resources for Afghanistan.


49. The National Assessment of Shoreline Change: A GIS Compilation of Vector Cliff Edges and Associated Cliff Erosion Data for the California Coast [USGS_OFR_2007_1112]
Introduction: The U.S. Geological Survey has generated a comprehensive data clearinghouse of digital vector cliff edges and associated rates of cliff retreat along the open-ocean California coast. ...


50. Catalog of Mount St. Helens 2004 - 2005 Tephra Samples with Major- and Trace-Element Geochemistry [USGS_OFR_2008_1131]
This open-file report presents a catalog of information about 135 ash samples along with geochemical analyses of bulk ash, glass and individual mineral grains from tephra deposited as a result of ...


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