Tephra layers preserved at the summit of Kīlauea from at least three different eruptions. Deposits below the top of the scale are predominantly juvenile and deposits above it containing many lithics. Notice the larger size of the yellow pumice clasts compared to the much denser and finer grey lapilli and ash surrounding them from 7 to 18 on the scale.
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Tephra layers preserved at the summit of Kīlauea
Tephra layers preserved at the summit of Kīlauea from at least three different eruptions. Deposits below the top of the scale are predominantly juvenile and deposits above it containing many lithics. Notice the larger size of the yellow pumice clasts compared to the much denser and finer grey lapilli and ash surrounding them from 7 to 18 on the scale.
Lidar hillshade map of part of the Blackfoot Volcanic Field
Lidar hillshade map of part of the Blackfoot Volcanic FieldLidar hillshade map of part of the Blackfoot Volcanic Field, showing rhyolite domes and fault scarps.
Lidar hillshade map of part of the Blackfoot Volcanic Field
Lidar hillshade map of part of the Blackfoot Volcanic FieldLidar hillshade map of part of the Blackfoot Volcanic Field, showing rhyolite domes and fault scarps.
VDAP: Trends in Volcano Response and Capacity Building
VDAP: Trends in Volcano Response and Capacity BuildingThe Volcano Disaster Assistance Program (VDAP) is a partnership of the USGS and USAID. Now in its 34th year, VDAP performs a combination of in-country and remote responses to volcanic crises.
VDAP: Trends in Volcano Response and Capacity Building
VDAP: Trends in Volcano Response and Capacity BuildingThe Volcano Disaster Assistance Program (VDAP) is a partnership of the USGS and USAID. Now in its 34th year, VDAP performs a combination of in-country and remote responses to volcanic crises.
Volcanic rocks in SE Idaho that are related to the Yellowstone hotspot
Volcanic rocks in SE Idaho that are related to the Yellowstone hotspotMap of southeastern Idaho showing volcanic rocks related to the Yellowstone hotspot. Basalt is shown in red and rhyolite in yellow. Blue circles indicate the location of past Yellowstone calderas; caldera names and approximate ages are shown (Ma = million years old).
Volcanic rocks in SE Idaho that are related to the Yellowstone hotspot
Volcanic rocks in SE Idaho that are related to the Yellowstone hotspotMap of southeastern Idaho showing volcanic rocks related to the Yellowstone hotspot. Basalt is shown in red and rhyolite in yellow. Blue circles indicate the location of past Yellowstone calderas; caldera names and approximate ages are shown (Ma = million years old).
Earth Observation User Case Study: Ladies of Landsat
Earth Observation User Case Study: Ladies of LandsatSocial scientists at the U.S. Geological Survey (USGS) Fort Collins Science Center – in collaboration with the USGS National Land Imaging Program – conduct Earth observation user case studies using qualitative research methods.
Earth Observation User Case Study: Ladies of Landsat
Earth Observation User Case Study: Ladies of LandsatSocial scientists at the U.S. Geological Survey (USGS) Fort Collins Science Center – in collaboration with the USGS National Land Imaging Program – conduct Earth observation user case studies using qualitative research methods.
Using Landsat and Machine Learning to Map Urban Change
Using Landsat and Machine Learning to Map Urban ChangeSocial scientists at the U.S. Geological Survey (USGS) Fort Collins Science Center – in collaboration with the USGS National Land Imaging Program – conduct Earth observation user case studies using qualitative research methods.
Using Landsat and Machine Learning to Map Urban Change
Using Landsat and Machine Learning to Map Urban ChangeSocial scientists at the U.S. Geological Survey (USGS) Fort Collins Science Center – in collaboration with the USGS National Land Imaging Program – conduct Earth observation user case studies using qualitative research methods.
Neal Craig teaching new hydro tech Alice Mower at Fisherville, KY gage
Neal Craig teaching new hydro tech Alice Mower at Fisherville, KY gagePhoto Contest Winner | June 2021 | People
Neal Craig teaching new hydro tech Alice Mower at Fisherville, KY gage
Neal Craig teaching new hydro tech Alice Mower at Fisherville, KY gage
Neal Craig teaching new hydro tech Alice Mower at Fisherville, KY gagePhoto Contest Winner | June 2021 | People
Neal Craig teaching new hydro tech Alice Mower at Fisherville, KY gage
Sunset State Beach Variance Image
Far out, man... where science meets art
Teaching techs how to count clicks
Photo Contest Winner | January 2021 | Honorable Mention 1
Teaching young techs how to count clicks
Photo Contest Winner | January 2021 | Honorable Mention 1
Teaching young techs how to count clicks
Yellowstone Volcano Observ: Overview, Monitoring, Hazards, Results
Yellowstone Volcano Observ: Overview, Monitoring, Hazards, ResultsJust what is the Yellowstone Volcano Observatory? In this video, Mike Poland, Scientist-in-Charge of YVO, gives an overview of the institutions that make up the Observatory, how YVO monitors volcano and earthquake activity at Yellowstone, the geologic hazards of the region, and some of the noteworthy new results and observations from YVO scientists.
Yellowstone Volcano Observ: Overview, Monitoring, Hazards, Results
Yellowstone Volcano Observ: Overview, Monitoring, Hazards, ResultsJust what is the Yellowstone Volcano Observatory? In this video, Mike Poland, Scientist-in-Charge of YVO, gives an overview of the institutions that make up the Observatory, how YVO monitors volcano and earthquake activity at Yellowstone, the geologic hazards of the region, and some of the noteworthy new results and observations from YVO scientists.
Image of the Week - Petermann Glacier 2020 Update
Petermann Glacier in northwestern Greenland is known to generate large icebergs, most notably in 2010 and 2012. Another large iceberg may be forming now. A new rift was spotted on the glacier in 2017. Since then, imagery from both Landsat and Europe's Copernicus Sentinel-2 satellites show the rift lengthening and meeting up with and older crack.
Petermann Glacier in northwestern Greenland is known to generate large icebergs, most notably in 2010 and 2012. Another large iceberg may be forming now. A new rift was spotted on the glacier in 2017. Since then, imagery from both Landsat and Europe's Copernicus Sentinel-2 satellites show the rift lengthening and meeting up with and older crack.
White River spinedace
White River spinedace. Photo taken Wayne E. Kirch Wildlife Management Area, Lund, NV.
White River spinedace. Photo taken Wayne E. Kirch Wildlife Management Area, Lund, NV.
Trace Network in ArcGIS Pro 2.6
Hayley Thompson - USGS Hydrography Researcher (NGTOC, Topographic Applied Research Section (TARS)) gives a gentle introduction to the Trace Network in ArcGIS Pro 2.6 and how you can use it with NHD data.
Topics include:
Hayley Thompson - USGS Hydrography Researcher (NGTOC, Topographic Applied Research Section (TARS)) gives a gentle introduction to the Trace Network in ArcGIS Pro 2.6 and how you can use it with NHD data.
Topics include:
USGS passive integrated transponder (PIT) detection antenna
USGS passive integrated transponder (PIT) detection antennaPassive integrated transponder detection antenna located in the Flag Springs Complex in eastern Nevada. This is the only place on earth where White River spinedace still exist.
USGS passive integrated transponder (PIT) detection antenna
USGS passive integrated transponder (PIT) detection antennaPassive integrated transponder detection antenna located in the Flag Springs Complex in eastern Nevada. This is the only place on earth where White River spinedace still exist.
White River desert sucker
White River desert sucker. Photo taken Wayne E. Kirch Wildlife Management Area, Lund, NV.
White River desert sucker. Photo taken Wayne E. Kirch Wildlife Management Area, Lund, NV.
White River spinedace
White River spinedace. Photo taken by Summer Burdick, USGS, Klamath Falls Field Station.
White River spinedace. Photo taken by Summer Burdick, USGS, Klamath Falls Field Station.
Erosion of dunes following Tropical Storm Eta
Tropical Storm Eta affected beaches along Florida's Gulf Coast in November 2020. Some dunes were eroded up to several feet due to the high water levels associated with the storm. Madeira Beach is home to many people and animals, and erosion events such as this can affect both habitat and infrastructure.
Tropical Storm Eta affected beaches along Florida's Gulf Coast in November 2020. Some dunes were eroded up to several feet due to the high water levels associated with the storm. Madeira Beach is home to many people and animals, and erosion events such as this can affect both habitat and infrastructure.
Eyes on Earth Episode 38 – Time Series Analysis with Landsat
Eyes on Earth Episode 38 – Time Series Analysis with LandsatIn the past, remote sensing scientists looked for change on the Earth’s surface primarily by comparing one Landsat image to another.
Eyes on Earth Episode 38 – Time Series Analysis with Landsat
Eyes on Earth Episode 38 – Time Series Analysis with LandsatIn the past, remote sensing scientists looked for change on the Earth’s surface primarily by comparing one Landsat image to another.
White River spinedace
White River spinedace. Photo taken Wayne E. Kirch Wildlife Management Area, Lund, NV.
White River spinedace. Photo taken Wayne E. Kirch Wildlife Management Area, Lund, NV.
Temperature records from sites on Yellowstone Lake bottom
Temperature records from sites on Yellowstone Lake bottomYear-long (August 2017 to August 2018) temperature records from two hydrothermal vents (“A” and “B”) in the Deep Hole area of Yellowstone Lake.
Temperature records from sites on Yellowstone Lake bottom
Temperature records from sites on Yellowstone Lake bottomYear-long (August 2017 to August 2018) temperature records from two hydrothermal vents (“A” and “B”) in the Deep Hole area of Yellowstone Lake.
Lake at Kīlauea's summit
Dark brown colors dominated the central and western portions of the lake at Kīlauea's summit. The greenish hues were present in areas that appear to be zone of hot water influx into the lake. USGS photo by M. Patrick.
Dark brown colors dominated the central and western portions of the lake at Kīlauea's summit. The greenish hues were present in areas that appear to be zone of hot water influx into the lake. USGS photo by M. Patrick.