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71 Titles Match Your Query
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1. 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 ...


2. Long-term Oceanographic Observations in Western Massachusetts Bay Offshore of Boston, Massachusetts: Data Report for 1989-2002 [USGS-DDS-74]
Long-term oceanographic observations have been made at two locations in western Massachusetts Bay: (1) Site A (42? 22.6' N, 70? 47.0' W, 33 m water depth) from from 1989 to 2002, and (2) Site B (42? ...


3. 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 ...


4. 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 ...


5. 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 ...


6. 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 ...


7. 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 ...


8. 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 ...


9. 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 ...


10. Coastal Erosion and Wetland Change in Louisiana: Selected USGS Products [USGS-DDS-79]
Louisiana contains 25 percent of the vegetated wetlands and 40 percent of the tidal wetlands in the 48 conterminous States. These critical natural systems are being lost. Louisiana leads the Nation ...


11. Gravity Map of Nevada [USGS-DDS-42]
This publication consists of a report presented in Acrobat PDF format (560 KB), a large gravity-station-location map (PDF; 3.1 MB), and a data directory (12 MB). Gravity data for the entire state ...


12. 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 ...


13. 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. ...


14. 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 ...


15. Catalog of Mount St. Helens 2004-2007 Dome Samples with Major- and Trace-element Chemistry [USGS_OFR_2008_1130]
Sampling and analysis of eruptive products at Mount St. Helens is an integral part of volcano monitoring efforts conducted by the U.S. Geological Survey's Cascades Volcano Observatory (CVO). The objective ...


16. Modeling Soil Moisture in the Mojave Desert [USGS_OFR_2008_1100]
This publication describes soil moisture modeling in the Mojave Desert. It provides a general background on the process of pedogenesis, or soil development, which is a major factor affecting soil ...


17. Modified Mercalli Intensity Maps for the 1868 Hayward Earthquake Plotted in ShakeMap Format [USGS_OFR_2008_1121]
This data set provides Modified Mercalli Intensity maps for the Hayward earthquake of October 21, 1868. To construct the Modified Mercalli Intensity (MMI) ShakeMap for the 1868 Hayward earthquake, ...


18. Climate Variation at Flagstaff, Arizona 1950 to 2007 [USGS_OFR_2007_1410]
Flagstaff is becoming warmer and drier. Estimated average-daily temperatures of the Flagstaff area are 2.3-degrees warmer since 1970 and annual precipitation at Flagstaff has been below average for ...


19. Data from Theodolite Measurements of Creep Rates on San Francisco Bay Region Faults, California: 1979-2007 [USGS_OFR_2007_1367]
The purpose is to update with six additional years of data, our creep data archive on San Francisco Bay region active faults for use by the scientific research community. Earlier data (1979-2001) ...


20. Bathymetry, Substrate and Circulation in Westcott Bay, San Juan Islands, Washington [USGS_OFR_2007_1305]
Nearshore bathymetry, substrate type, and circulation patterns in Westcott Bay, San Juan Islands, Washington, were mapped using two acoustic sonar systems, video and direct sampling of seafloor sediments. ...


21. Gravity Data from Newark Valley, White Pine County, Nevada [USGS_OFR_2007_1306]
The Newark Valley area, eastern Nevada is one of thirteen major ground-water basins investigated by the BARCAS (Basin and Range Carbonate Aquifer Study) Project. Gravity data are being used to help ...


22. High-Resolution Topographic, Bathymetric, and Oceanographic Data for the Pleasure Point Area, Santa Cruz County, California: 2005-2007 [USGS_OFR_2007_1270]
The County of Santa Cruz Department of Public Works and the County of Santa Cruz Redevelopment Agency requested the U.S. Geological Survey (USGS) Western Coastal and Marine Geology Team (WCMG) to ...


23. Coastal Processes Study at Ocean Beach, San Francisco, CA: Summary of Data Collection 2004-2006 [USGS_OFR_2007_1217]
Ocean Beach in San Francisco, California, contains a persistent erosional section in the shadow of the San Francisco ebb tidal delta and south of Sloat Boulevard that threatens valuable public infrastructure ...


24. Lava Flow Hazard Assessment, as of August 2007, for Kilauea East Rift Zone Eruptions, Hawai'i Island [USGS_OFR_2007_1264]
The most recent episode in the ongoing Pu OO-Kupaianaha eruption of Kilauea Volcano is currently producing lava flows north of the east rift zone. Although they pose no immediate threat to communities, ...


25. Preliminary Isostatic Gravity Map of Joshua Tree National Park and Vicinity, Southern California [USGS_OFR_2007_1218]
This isostatic residual gravity map is part of an effort to map the three-dimensional distribution of rocks in Joshua Tree National Park, southern California. This map will serve as a basis for modeling ...


26. National Assessment of Shoreline Change Part 4: Historical Coastal Cliff Retreat along the California Coast [USGS_OFR_2007_1133]
Coastal cliff retreat, the landward migration of the cliff face, is a chronic problem along many rocky coastlines in the United States. As coastal populations continue to grow and community infrastructures ...


27. 2005 Hydrographic Survey of South San Francisco Bay, California [USGS_OFR_2007_1169]
An acoustic hydrographic survey of South San Francisco Bay (South Bay) was conducted in 2005. Over 20 million soundings were collected within an area of approximately 250 sq km (97 sq mi) of the bay ...


28. Geophysical Data from Spring Valley to Delamar Valley, East-Central Nevada [USGS_OFR_2007_1190]
Cenozoic basins in eastern Nevada and western Utah constitute major ground-water recharge areas in the eastern part of the Great Basin and these were investigated to characterize the geologic framework ...


29. Sulfur Dioxide Emission Rates from Kilauea Volcano, Hawaii, an Update: 2002-2006 [USGS_OFR_2007_1114]
Sulfur dioxide (SO2) emission rates from K+lauea Volcano were first measured by Stoiber and Malone (1975) and have been measured on a regular basis since 1979 (Greenland and others, 1985; Casadevall ...


30. World Map Showing Surface and Subsurface Distribution, and Lithologic Character of Middle and Late Neoproterozoic Rocks [USGS_OFR_2007_1087]
The map was prepared to outline the basic information on where Neoproterozoic rocks are present in the World, and of the lithologic character of these rocks. The information provides a better understanding ...


31. Hawaiian Volcano Observatory Seismic Data, January to December 2006 [USGS_OFR_2007_1073]
The Hawaiian Volcano Observatory (HVO) summary presents seismic data gathered during the year. The seismic summary is offered without interpretation as a source of preliminary data. It is complete ...


32. Regional Geochemical Results from the Reanalysis of NURE Stream Sediment Samples - Eagle 3 Degree Quadrangle, East-Central Alaska [USGS_OFR_2007_1075]
This report presents reconnaissance geochemical data for a cooperative study in the Fortymile Mining District, east-central Alaska, initiated in 1997. This study has been funded by the U.S. Geological ...


33. Seismic Shear Wave Reflection Imaging at the Former Fort Ord, Monterey, California [USGS_OFR_2007_1068]
At the former Fort Ord in Monterey County, California, contamination threatens an aquifer that provides drinking water for local communities. Assessment and remediation require accurate hydrological ...


34. Terrestrial LIDAR Investigation of the December 2003 and January 2007 Activations of the Northridge Bluff Landslide, Daly City, California [USGS_OFR_2007_1079]
On December 20, 2003 and again on January 1, 2007, landslides occurred along the coastal bluff that forms the west boundary of Daly City, California sending debris as far as 290 meters downhill and ...


35. Flow Velocity and Sediment Data Collected During 1990 and 1991 at National Canyon, Colorado River, Arizona [USGS_DS_2007_246]
During 1990 and 1991, a series of research flows were released from Glen Canyon Dam. Data collected at the streamflow-gaging station on the Colorado River above National Canyon near Supai from that ...


36. Geophysical Studies Based on Gravity and Seismic Data of Tule Desert, Meadow Valley Wash, and California Wash Basins, Southern Nevada [USGS_OFR_2006_1396]
Gravity and seismic data from Tule Desert, Meadow Valley Wash, and California Wash, Nevada, provide insight into the subsurface geometry of these three basins that lie adjacent to rapidly developing ...


37. Principal Facts of Gravity data in the Northern Willamette Valley and Vicinity, Northwestern Oregon and Southwestern Washington [USGS_OFR_2007_1058]
Gravity data were collected from 2004 through 2006 to assist in mapping subsurface geology in the northern Willamette Valley and vicinity, northwestern Oregon and southwestern Washington. Prior to ...


38. Landsat ETM+ False-Color Image Mosaics of Afghanistan [USGS_OFR_2007_1029]
In 2005, the U.S. Agency for International Development and the U.S. Trade and Development Agency contracted with the U.S. Geological Survey to perform assessments of the natural resources within Afghanistan. ...


39. Map showing Features and Displacements of the Scenic Drive Landslide, La Honda, California, During the Period March 31, 2005 - November 5, 2006 [USGS_OFR_2006_1397]
The Scenic Drive landslide in La Honda, San Mateo County, California began movement during the El Ni?o winter of 1997-98. Recurrent motion occurred during the mild El Nino winter of 2004-2005 and ...


40. Capitol Lake, Washington, 2004 Data Summary [USGS_DS_2006_180]
At the request of the Washington Department of Ecology (WDOE), the US Geological Survey (USGS) collected bathymetry data in Capital Lake, Olympia, Wash., on September 21, 2004. The data are to be ...


41. Database for the Geologic Map of the Chelan 30-Minute by 60-Minute Quadrangle, Washington [USGS_DS_2006_184]
This digital map database has been prepared by R.W. Tabor from the published Geologic map of the Chelan 30-Minute Quadrangle, Washington. Together with the accompanying text files as PDF, it provides ...


42. Digital database of recently active traces of the Hayward Fault, California [USGS_DS_2006_177]
The purpose of this map is to show the location of and evidence for recent movement on active fault traces within the Hayward Fault Zone, California. The mapped traces represent the integration of ...


43. JAMSTEC multibeam surveys and submersible dives around the Hawaiian Islands: A collaborative Japan-USA exploration of Hawaii's deep seafloor [USGS_DS_2006_171]
This database release, USGS Data Series 171, contains data collected during four Japan-USA collaborative cruises that characterize the seafloor around the Hawaiian Islands. The Japan Agency for Marine-Earth ...


44. Swath Bathymetric Survey of Englebright Lake, Yuba-Nevada Counties, California [USGS_OFR_2006_1346]
Swath bathymetric data of upper Englebright Lake, Yuba-Nevada Counties, California are presented. These data consist of registered 1-meter cells and a water depth for the cell. Precision and accuracy ...


45. Inversion of Gravity Data to Define the Pre-Cenozoic Surface and Regional Structures Possibly Influencing Groundwater Flow in the Rainier Mesa Region, Nye County, Nevada [USGS_OFR_2006_1299]
A three-dimensional inversion of gravity data from the Rainier Mesa area and surrounding regions reveals a topographically complex pre-Cenozoic basement surface. This model of the depth to pre-Cenozoic ...


46. Sediment Deposition and Erosion in South San Francisco Bay, California from 1956 to 2005 [USGS_OFR_2006_1287]
Sediment deposition and erosion in South San Francisco Bay from 1956 to 2005 was studied by comparing bathymetric surveys made in 1956, 1983, and 2005. From 1956 to 1983, the region was erosional. ...


47. Soil Data from a Fire Chronosequence near Thompson, Manitoba, Canada [USGS_OFR_2006_1291]
The U.S. Geological Survey project Fate of Carbon in Alaskan Landscapes (FOCAL) is studying the effect of fire and soil drainage on soil carbon storage in the boreal forest. As such this group was ...


48. Processed 1938 Aerial Photography for Selected Areas of the Lower Colorado River, Southwestern United States [USGS_OFR_2006_1141]
The U.S. Geological Survey (USGS) initiated a study of the Lower Colorado River to derive temporal-change characteristics from the predam period to the present. In this report, we present summary ...


49. Seismic Constraints and Coulomb Stress Changes of a Blind Thrust Fault System, 1: Coalinga and Kettleman Hills, California [USGS_OFR_2006_1149]
This report reviews the seismicity and surface ruptures associated with the 1982-1985 earthquake sequence in the Coalinga region in California, and the role of Coulomb stress in triggering the mainshock ...


50. Geophysical Studies of the Crump Geyser Known Geothermal Resource Area, Oregon, in 1975 [USGS_OFR_2006_1110]
The U.S. Geological Survey (USGS) conducted geophysical studies in support of the resource appraisal of the Crump Geyser Known Geothermal Resource Area (KGRA). This area was designated as a KGRA by ...


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