HVO gas geochemists periodically collect gas samples at Sulphur Banks, near the Kīlauea Visitor Center, in Hawai‘i Volcanoes National Park. Samples are analyzed for bulk chemistry and for helium isotopes. The results are compared to previous measurements to evaluate potential changes in activity at the volcano.
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Collecting gas samples at Sulphur Banks
HVO gas geochemists periodically collect gas samples at Sulphur Banks, near the Kīlauea Visitor Center, in Hawai‘i Volcanoes National Park. Samples are analyzed for bulk chemistry and for helium isotopes. The results are compared to previous measurements to evaluate potential changes in activity at the volcano.
Partners discuss seasonal drought experiments.
Partners discuss seasonal drought experiments.
Partners discuss seasonal drought experiments.
USGS Streamgaging — Keeping the pulse on the Nation’s streams
USGS Streamgaging — Keeping the pulse on the Nation’s streamsWhat is water up to? Keeping the pulse on the Nation’s streams - USGS Streamgaging and the Groundwater and Streamflow Information Program.
USGS Streamgaging — Keeping the pulse on the Nation’s streams
USGS Streamgaging — Keeping the pulse on the Nation’s streamsWhat is water up to? Keeping the pulse on the Nation’s streams - USGS Streamgaging and the Groundwater and Streamflow Information Program.
Delaware River at Lambertville, NJ and New Hope, PA
Delaware River at Lambertville, NJ and New Hope, PAPhoto of the Deleware River near Lambertville, NJ and New Hope, PA.
Delaware River at Lambertville, NJ and New Hope, PA
Delaware River at Lambertville, NJ and New Hope, PAPhoto of the Deleware River near Lambertville, NJ and New Hope, PA.
Spring 2019 Flooding - Forestburg, SD
USGS Dakota Water Science Center hydrologic technician Mark Brazones is using a handheld acoustic meter to measure the road overflow at the James River near Forestburg, SD.
USGS Dakota Water Science Center hydrologic technician Mark Brazones is using a handheld acoustic meter to measure the road overflow at the James River near Forestburg, SD.
Spring 2019 Flooding - Louisville, NE
After record flooding in the Midwest, USGS crews mobilized to take important water measurements.
After record flooding in the Midwest, USGS crews mobilized to take important water measurements.
USGS crews respond to flooding on the Big Sioux River
USGS crews respond to flooding on the Big Sioux RiverUSGS scientists and technicians took water measurements during flooding on the Big Sioux River near Hawarden, Iowa in March 2019.
USGS crews respond to flooding on the Big Sioux River
USGS crews respond to flooding on the Big Sioux RiverUSGS scientists and technicians took water measurements during flooding on the Big Sioux River near Hawarden, Iowa in March 2019.
USGS crews respond to flooding on the Big Sioux River
USGS crews respond to flooding on the Big Sioux RiverUSGS technician Chris Broz helps take water measurements on the Big Sioux River during record flooding in March, 2019.
USGS crews respond to flooding on the Big Sioux River
USGS crews respond to flooding on the Big Sioux RiverUSGS technician Chris Broz helps take water measurements on the Big Sioux River during record flooding in March, 2019.
Diagram of Channel Cross Section With Subsections
Diagram of Channel Cross Section With Subsections.
Diagram of Channel Cross Section With Subsections.
Reading the rainbow: How to interpret an interferogram
Reading the rainbow: How to interpret an interferogramCOSMO-SkyMed (CSK) Interferogram for the period from April 6 to June 2, 2019, covering Kīlauea Volcano's summit region. Each color fringe represents 1.65 centimeters (0.65 inches) of ground displacement.
Reading the rainbow: How to interpret an interferogram
Reading the rainbow: How to interpret an interferogramCOSMO-SkyMed (CSK) Interferogram for the period from April 6 to June 2, 2019, covering Kīlauea Volcano's summit region. Each color fringe represents 1.65 centimeters (0.65 inches) of ground displacement.
Yellow Creek near Oak Grove, IN - downstream view
Yellow Creek near Oak Grove, IN - downstream view
Taking hydrologic measurements from the Kewaunee River, Wis.
Taking hydrologic measurements from the Kewaunee River, Wis.USGS hydrologist Kassidy Mapel takes hydrologic measurements from the Kewaunee River, Kewaunee, Wis., at USGS streamgage 04085200.
Taking hydrologic measurements from the Kewaunee River, Wis.
Taking hydrologic measurements from the Kewaunee River, Wis.USGS hydrologist Kassidy Mapel takes hydrologic measurements from the Kewaunee River, Kewaunee, Wis., at USGS streamgage 04085200.
Orthophotomosaic image, north coast of Barter Island, July 1, 2014
Orthophotomosaic image, north coast of Barter Island, July 1, 2014Aerial photographs were collected from a small, fixed-wing aircraft over the coast of Barter Island, Alaska on July 01 2014, September 07 2014. Precise aircraft position information and structure-from-motion photogrammetric methods were combined to derive a high-resolution orthophotomosaic.
Orthophotomosaic image, north coast of Barter Island, July 1, 2014
Orthophotomosaic image, north coast of Barter Island, July 1, 2014Aerial photographs were collected from a small, fixed-wing aircraft over the coast of Barter Island, Alaska on July 01 2014, September 07 2014. Precise aircraft position information and structure-from-motion photogrammetric methods were combined to derive a high-resolution orthophotomosaic.
Surficial Geology Map of Nantucket and Marthas Vineyard, MA
Surficial Geology Map of Nantucket and Marthas Vineyard, MAMap showing the surficial geology from this study and Baldwin and others (2016) with equivalent onshore geology (adapted from Stone and DiGiacomo-Cohen, 2009). The areal extents over which offshore subsurface geologic units crop out at the sea floor were interpreted from seismic-reflection data.
Surficial Geology Map of Nantucket and Marthas Vineyard, MA
Surficial Geology Map of Nantucket and Marthas Vineyard, MAMap showing the surficial geology from this study and Baldwin and others (2016) with equivalent onshore geology (adapted from Stone and DiGiacomo-Cohen, 2009). The areal extents over which offshore subsurface geologic units crop out at the sea floor were interpreted from seismic-reflection data.
Montana State University students at an outcrop along Highway 20, in Idaho, samp
Montana State University students at an outcrop along Highway 20, in Idaho, sampMontana State University students at an outcrop along Highway 20, in Idaho, sampling the Mesa Falls Tuff fall deposit exposed just beneath the ignimbrite. Photo by Madison Myers (Montana State University) on June 9, 2019.
Montana State University students at an outcrop along Highway 20, in Idaho, samp
Montana State University students at an outcrop along Highway 20, in Idaho, sampMontana State University students at an outcrop along Highway 20, in Idaho, sampling the Mesa Falls Tuff fall deposit exposed just beneath the ignimbrite. Photo by Madison Myers (Montana State University) on June 9, 2019.
ADCP flood Measurement on the Cumberland River, KY
ADCP flood Measurement on the Cumberland River, KYBobby Joe Monhollen and Matt Hinkle preparing to make an ADCP measurement on the Cumberland River.
ADCP flood Measurement on the Cumberland River, KY
ADCP flood Measurement on the Cumberland River, KYBobby Joe Monhollen and Matt Hinkle preparing to make an ADCP measurement on the Cumberland River.
ADCP high water measurement
Bobby Joe Monhollen and Matt Hinkle preparing to make an ADCP measurement on the Cumberland River. Record high water levels were experienced at Lake Cumberland.
Bobby Joe Monhollen and Matt Hinkle preparing to make an ADCP measurement on the Cumberland River. Record high water levels were experienced at Lake Cumberland.
Rolling water on the Cumberland River
Flood water pouring down the Cumberland River in Kentucky.
Flood water pouring down the Cumberland River in Kentucky.
The California Volcano Observatory Magma Dynamics Lab in Menlo Park.
The California Volcano Observatory Magma Dynamics Lab in Menlo Park.Magma dynamics experiments seek to recreate the pressure and temperature at depths far beneath a volcano, in order to determine how the magma forms, evolves, and ascends prior to eruption.
The California Volcano Observatory Magma Dynamics Lab in Menlo Park.
The California Volcano Observatory Magma Dynamics Lab in Menlo Park.Magma dynamics experiments seek to recreate the pressure and temperature at depths far beneath a volcano, in order to determine how the magma forms, evolves, and ascends prior to eruption.
Yellow Creek near Oak Grove, IN - downstream of gage
Yellow Creek near Oak Grove, IN - downstream of gageYellow Creek near Oak Grove, IN - downstream of gage
Yellow Creek near Oak Grove, IN - downstream of gage
Yellow Creek near Oak Grove, IN - downstream of gageYellow Creek near Oak Grove, IN - downstream of gage
Yellow Creek near Oak Grove, IN - downstream view
Yellow Creek near Oak Grove, IN - downstream view