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Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.

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We are focused on some of the most significant issues society faces, and our science is making a substantial contribution to the well-being of the Nation and the world. Learn more about the major topics our research covers and the programs focused on those topics.

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Filter Total Items: 175505

Volcanic gas monitoring Volcanic gas monitoring

Introduction As magma rises through the crust, decreasing pressure conditions allow volatiles to exsolve from the magma. These volatiles then migrate upward through the crust, where they can be stored at shallower levels or escape to the atmosphere. Rising magma also heats rock masses beneath volcanic centers, causing water in shallow aquifers and hydrothermal systems to boil and release...
Authors
Jennifer L. Lewicki, Christoph Kern, Peter J. Kelly, Patricia A. Nadeau, Tamar Elias, Laura E. Clor
By
Volcano Hazards Program, Volcano Science Center

Ground deformation and gravity for volcano monitoring Ground deformation and gravity for volcano monitoring

Introduction When magma accumulates or migrates, it can cause pressurization and related ground deformation. Characterization of surface deformation provides important constraints on the potential for future volcanic activity, especially in combination with seismic activity, gas emissions, and other indicators. A wide variety of techniques and instrument types have been applied to the...
Authors
Emily K. Montgomery-Brown, Kyle R. Anderson, Ingrid A. Johanson, Michael P. Poland, Ashton F. Flinders
By
Volcano Hazards Program, Volcano Science Center

Infrasound for volcano monitoring Infrasound for volcano monitoring

Introduction Volcanic eruptions produce acoustic waves when volcanic gases and hot material rapidly expand in the atmosphere. Volcanic activity can produce acoustic signals with a wide range of frequencies, from very long period (>10 seconds) to audible (>20 hertz [Hz]), but the most energetic band is typically in the infrasound from 0.5 to 20 Hz. Studies of volcanic infrasound and the...
Authors
John J. Lyons, David Fee, Weston A. Thelen, Alexandra M. Iezzi, Aaron G. Wech
By
Volcano Hazards Program, Volcano Science Center

Postrelease survival of Eleutherodactylus coqui: Advancing managed translocations as an adaptive tool for climate-vulnerable anurans Postrelease survival of Eleutherodactylus coqui: Advancing managed translocations as an adaptive tool for climate-vulnerable anurans

Translocating amphibians to alternative, suitable habitat is a climate adaptation strategy aimed at minimizing the risk of extinction due to projected global warming and drying. Projected conditions could undermine their physiological performance, and thus survival and reproduction. Translocations minimize risks of extinction by increasing spatial redundancy across climate-resilient...
Authors
Rafael Chaparro, Ana C. Rivera-Burgos, Mitchell J. Eaton, Adam Terando, Eloy Martinez, Jaime A. Collazo
By
Cooperative Research Units

Recommended capabilities and instrumentation for volcano monitoring in the United States Recommended capabilities and instrumentation for volcano monitoring in the United States

The National Volcano Early Warning System (NVEWS) was authorized and partially funded by the U.S. Government in 2019. In response, the U.S. Geological Survey (USGS) Volcano Hazards Program asked its scientists to reflect on and summarize their views of best practices for volcano monitoring. The goal was to review and update the recommendations of a previous report (Moran and others, 2008...
By
Volcano Hazards Program, Volcano Science Center

Mixed contaminant exposure in tapwater and the potential implications for human-health in disadvantaged communities in California Mixed contaminant exposure in tapwater and the potential implications for human-health in disadvantaged communities in California

Water is an increasingly precious resource in California as years of drought, climate change, pollution, as well as an expanding population have all stressed the state's drinking water supplies. Currently, there are increasing concerns about whether regulated and unregulated contaminants in drinking water are linked to a variety of human-health outcomes particularly in socially...
Authors
Kelly Smalling, Kristin M. Romanok, Paul M. Bradley, Michelle L. Hladik, James L. Gray, Leslie K. Kanagy, R. Blaine McCleskey, Diana A. Stavreva, Annika K. Alexander-Ozinskas, Jesus Alonso, Wendy Avila, Sara E. Breitmeyer, Roberto Bustillo, Stephanie E. Gordon, Gordon L. Hager, Rena R. Jones, Dana W. Kolpin, Seth Newton, Peggy Reynolds, John Sloop, Andria Ventura, Julie Von Behren, Mary H. Ward, Gina M. Solomon
By
Water Resources Mission Area, New Jersey Water Science Center
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