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Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.

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At least 163 records · Page 9Linked to original sources
USGS2025

Proceedings of the 2024 Asia-Pacific Wildlife Health Workshop—Collaborating against shared threats

Emerging diseases of wildlife origin are increasingly transboundary (they spread rapidly across geographic regions and across continents). In recent years, examples include the rapid spread of African swine fever across Europe and Asia with negative effects on food security, and the near global spread of highly pathogenic avian influenza which has devastated wildlife populations, caused economic harm, and which threatens public health; consequently, international partnerships and networks are essential to facilitate the sharing of information for improved situational awareness and better preparedness and response. In this regard, the U.S. Geological Survey and the Korea National Institute for Wildlife Disease Control and Prevention have had a long-standing partnership to foster scientific collaboration. A key part of the activities has been annual scientific workshops, which commenced in 2016. The 2024 workshop in Hilo, Hawaii, was the most recent in these series of workshops and included participants from across Asia and the Pacific region, including Thailand, Vietnam, China, Republic of Korea, Japan, Australia, Cook Islands, Fiji, and the United States. The goals of the workshop were: to continue to build the wildlife health community of practice in the Asia-Pacific region and expand the participants to agencies and institutions from other countries in the region; and exchange scientific knowledge among the participants to share best practices, create scientific networks, and build capacity in wildlife health science for the Asia-Pacific region. The themes discussed at the workshop included wildlife health risk management, avian Influenza, African swine fever, climate change and emerging diseases, and international cooperation. This report contains the author-submitted abstracts which provide a summary of the presentations and discussions during the workshop. The aim is to share this information to continue to foster international scientific exchange to protect wildlife health, livestock, and public health from the negative impacts of infectious and noninfectious diseases.

Open-File Report↗
USGS2026

Proceedings of the Floodplain Vegetation Monitoring Workshop for the Long Term Resource Monitoring Element of the Upper Mississippi River Restoration Program, January 7–8, 2025, Moline, Illinois

Preface In anticipation for increased funding made possible by the Water Resources Development Act of 2020, the Upper Mississippi River Restoration (UMRR) Program identified a need to conduct river-wide assessments of floodplain vegetation. In January 2025, we assembled a group of subject matter experts to perform the following tasks: Review Upper Mississippi River Restoration’s current floodplain vegetation research portfolio, Identify important features and goals for long-term floodplain vegetation monitoring, Evaluate the suitability of existing datasets for system-wide vegetation assessments, and Discuss emerging opportunities to learn about floodplain vegetation dynamics from local-scale restoration and management projects. This document is a summarization of what occurred at the meeting and provides suggested next steps toward developing the capacity to conduct routine long-term monitoring and assessment of floodplain vegetation as part of the Upper Mississippi River Restoration Program.

Illinois, Iowa, Minnesota, Missouri, Wisconsin↗
USGS1978

Proceedings of Conference IV: the use of volunteers in the Earthquake Hazards Reduction Program, convened under the auspices of National Earthquake Hazards Reduction Program, 2-3 February, 1978, Menlo Park, California

There are tens of thousands of people in the United States who could play an important voluntary role in reducing earthquake hazards and are probably willing to do so. Under the Earthquake Hazard Reduction Act of 1977 the Federal government is significantly increasing its effort "to reduce the risk of life and property from future earthquakes in the United States through the establishment and maintenance of an effective earthquake hazards reduction program." This program involves research, for example, by geologists, seismologists, engineers, sociologists, educators, and public policy experts sponsored primarily by the U.S. Geological Survey and the National Science Foundation. There is a heavy emphasis, however, on the implementation of these results in local communities. When all the research results are available, the benefits of these efforts will depend on whether individual citizens living in earthquake zones accurately perceive the relative importance of earthquake hazards. These individuals can then decide for themselves how to modify their own lifestyles to minimize these hazards. Thus, one of the seven objectives of this national program is "the education of the public, including state and local officials, as to earthquake phenomena, the identification of locations and structures which are especially susceptible to earthquake damage, ways to reduce the adverse consequences of an earthquake, and related matters."

Open-File Report↗
USGS1978

Proceedings of Conference V: communicating earthquake hazard reduction information: convened under auspices of National Earthquake Hazards Reduction Program 22-24 May, 1978

Under the Earthquake Hazard Reduction Act of 1977, the federal government is significantly increasing its effort "to reduce the risk of life and property from future earthquakes in the United States through the establishment and maintenance of an effective earthquake hazards reduction program". This prgoram is sponsored primarily by the U.S. Geological Survey and the National Science Foundation and includes research by geologists, geophysicists, seismologists, engineers, sociologists, educators, and public policy experts. In the USGS program, there is a strong emphsis on effective communication of the results of research to a wide community of decision makers and users. This action is the key to implementation at all levels in federal, state, and local government, in the private sector, and on an individual basis. The U.S. Geological Survey convened a workshop involving approximately 65 people on May 22-24, 1978 in Denver, Colorado, to examine the communication problem. The purpose of the workshop was to evaluate critically the information-flow process for a number of past experiences, including: (1) land use planning in Portola Valley, California, (2) the seismic safety element, Santa Clara County, California (3) earthquake preparedness, Puget Sound, Washington area, (4) mitigation of geological hazards in Colorado, (5) earthquake planning in the Mississippi-Arkansas-Tennessee area, (6) water resource and land use planning in the northeast United States, (7) acquiring and disseminating scientific and engineering information following an earthquake, (8) development, use, and review of geologic and seismological data fro sitting of nuclear power plants, (9) development and use of building codes that incorporate earthquake provisions, (10) use of research products produced in the HUD/USGS San Francisco Bay region study, and (11) achieving landslide hazard reduction. The objective was to identify the most significant lessons learned during the course of each experience and to develop recommendations for improving communication that might be incorporated in the search program of the USGS.

Open-File Report↗
USGS1978

Proceedings of Conference VI: Methodology for identifying seismic gaps and soon-to-break gaps: Convened under auspicies of National Earthquake Hazards Reduction Program, 25-27 May, 1978

The fifth conference in the continuing series under the Earthquake Hazard Reduction Program was held at Massachusetts Institute of Technology on May 25- 27, 1978. Its theme was "Methodology for Defining Seismic Gaps and Soon-to-Break Seismic Gaps." One of the proposed strategies for acquiring critical data on earthquake prediction is to identify soon-to-break gaps and to deploy a variety of instruments in the expected epicentral region. The Conference had as one of its major purposes the evaluation of our present capability to define gaps in general and soon-to-break gaps in particular, and thus to determine if the first step in the strategy proposed above could be fulfilled today.

Open-File Report↗
USGS1980

Proceedings of Conference XII; Earthquake prediction information

The U.S. Geological Survey in cooperation with five cosponsors: California Division of Mines and Geology, California Emergency Services, California Seismic Safety Commission, City of Los Angeles, and Federal Emergency Management Agency, convened a conference on Earthquake Prediction Information in Los Angeles during the period January 28-30, 1980. More than 100 government officials, scientists, engineers, social scientists, and civic and community leaders participated in the three day conference. The purpose of the conference was to provide a forum for presenting basic information on the state-of-the art of earthquake prediction and to identify constructive responses that might be taken through broad cooperative community participation both before and after an actual prediction of an earthquake.

California↗
USGS1981

Proceedings of the Symposium on Mineral Deposits of the Pacific Northwest: Geological Society of America, Cordilleran Section meeting at Corvallis, Oregon, March 20-21, 1980

Stratiform and volcanogenic zinc-lead-barium deposits occur within the pelagic Kagvik sequence in the Red Dog Creek and Drenchwater Creek areas in the DeLong Mountains and Howard Pass quadrangles. The sulfide deposits occur together with barite, tuff, sandstone, shale, chert, and keratophyre flows and sills. The three main occurrences of the stratiform zinc-lead-barium deposits in the Red Dog Creek area are: (1) thinly-bedded stratiform sulfide minerals in organic-rich Mississippian shale and chert; (2) massive sulfide vein and breccia fillings in Mississippian shale; and (3) massive stratiform barite lenses and nodules in chert and shale of the Siksikpuk Formation. The Drenchwater Creek area has only the first type. Sulfide-bearing zones of up to several thousand meters long occur in both areas with up to 19.5 percent Zn, 9.5 percent Pb, and locally more than 150 ppm Ag. Radiolaria from sulfide-bearing chert indicate in the Red Dog Creek area a Mississippian age of sulfide deposition. K/Ar ages of 319 + 10 m.y. and 330 + 17 m.y. obtained from biotite in keratophyre associated with sulfide-bearing tuff and chert in the Drenchwater Creek area indicate a Mississippian age of sulfide deposition. Sulfur isotope analyses of sulfur-bearing minerals from the Red Dog Creek area indicate that a combination of sea water sulfate and deep-seated sulfur was probably the source of the barite sulfate whereas sulfur in the sulfide minerals may have had a deep-seated source. Sulfur isotope values for sphalerite and galena are similar in vein and stratiform occurrences. Using sulfur isotope geothermetry, spalerite-galena pairs yield paleotemperatures of between 115° and 305° C. Lead isotope analyses of galena from both the Red Dog Creek and Drenchwater Creek areas yield Triassic model ages of approximately 200 m.y. Lead isotope data from both areas approximate typical orogene, i.e., Andean-type arc, or mature island-arc values and exclude ocean floor rifting for the generation of lead. The isotopic, petrologic, and field data indicate the stratiform zinc-lead-barium deposits in the Red Dog Creek and Drenchwater Creek areas formed during a short-lived period of Mississippian submarine volcanism in either an incipient Andean-type arc, or mature island arc environment.

Alaska, British Columbia, California↗
USGS1982

Proceedings, Illinois water-data-users meeting

The increased demand for water and concern for the quality of the water resources of Illinois have lead to increased demand for water-resources data. Representatives of the major water-data-collecting and water-data-using agencies met in Peoria, Illinois, on February 23-24, 1982, to (1) exchange information on current water-data programs and needs; (2) identify areas where data are needed; and (3) foster coordination and cooperation between agencies. Recommendations of the group included (1) annual meetings of agencies for coordination of activities; (2) standard methods for collecting and analyzing water data be adopted; (3) a centralized data system be established as a means of sharing water data; (4) water data should be indexed and cataloged, either by each agency or by some centralized system; (5) a statewide water-data-coordination committee should be formed with members from all water-related agencies; (6) a work group be formed to consider the use of uniform water-data codes; and (7) a cooperative working agreement be developed among all water-data-collection agnecies in the State to coordinate and maximize efforts on basin-intensive projects.

Open-File Report↗
USGS1982

Proceedings of the Second Joint Meeting of the U.S.-Japan Conference on Natural Resources (UJNR) Panel on Earthquake Prediction Technology, July 13-17, 1981

The Second Joint Meeting of the UJNR Panel on Earthquake Prediction Technology was held at the U.S. Geological Survey facilities in Menlo Park, California, during the week of July 13, 1981. This panel, which was established in 1978, is the newest of 17 panels under the United States/Japan Cooperative Program in National Resources (UJNR). The UJNR program is based on a 1964 cabinet-level agreement to foster the exchange of scientists, information, equipment, and knowledge between government agencies in Japan and the United States concerned with problems involving natural resources.

Open-File Report↗
USGS1982

Proceedings of Workshop XVI; The dynamic characteristics of faulting inferred from recordings of strong ground motion

The strong ground motions radiated by earthquake faulting are controlled by the dynamic characteristics of the faulting process. Although this assertion seems self-evident, seismologists have only recently begun to derive and test quantitative relations between common measures of strong ground motion and the dynamic characteristics of faulting. Interest in this problem has increased dramatically in past several years, however, resulting in a number of important advances. The research presented in this workshop is a significant part of this scientific development. Watching this development occur through the work of many scientists is exciting; to be able to gather a number of these scientists together in one workshop is a remarkable opportunity.

Open-File Report↗