Alkaline-chloride waters from an eruption of Old Faithful flow over the edge of the white silica sinter terrace into the Firehole River. The orange coloration on the sinter terrace is due to thermophilic (high temperature) bacteria living in the warm fluids. Old Faithful Inn is in the background, with the wooded Summit Lake rhyolitic lava flow behind.&nb
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Alkaline-chloride waters from Old Faithful
Alkaline-chloride waters from an eruption of Old Faithful flow over the edge of the white silica sinter terrace into the Firehole River. The orange coloration on the sinter terrace is due to thermophilic (high temperature) bacteria living in the warm fluids. Old Faithful Inn is in the background, with the wooded Summit Lake rhyolitic lava flow behind.&nb
Remote Camera, 30-mile Camp (River MIe 30.7)
Remote Camera, 30-mile Camp (River MIe 30.7)
Maumee River Watershed
The Maumee River Watershed with Areas of Concern
The Maumee River Watershed with Areas of Concern
A larval sampling boat with nets prepared for deployment
A larval sampling boat with nets prepared for deploymentA larval sampling boat with nets prepared for deployment
A larval sampling boat with nets prepared for deployment
A larval sampling boat with nets prepared for deploymentA larval sampling boat with nets prepared for deployment
A USGS guide for finding and interpreting high-water marks (AD)
A USGS guide for finding and interpreting high-water marks (AD)High-water marks provide valuable data for understanding recent and historical flood events. The proper collection and recording of high-water mark data from perishable and preserved evidence informs flood assessments, research, and water resource management.
A USGS guide for finding and interpreting high-water marks (AD)
A USGS guide for finding and interpreting high-water marks (AD)High-water marks provide valuable data for understanding recent and historical flood events. The proper collection and recording of high-water mark data from perishable and preserved evidence informs flood assessments, research, and water resource management.
Bull Lake Creek Streamgage
Cross section wading measurement looking downstream at Bull Lake Creek above Bull Lake.
Cross section wading measurement looking downstream at Bull Lake Creek above Bull Lake.
Eruption pause provides an opportunity to probe volcanic pollution
Eruption pause provides an opportunity to probe volcanic pollutionOnly small amounts of sulfur dioxide (SO2) and hydrogen sulfide (H2S) are currently being released from Kīlauea, but they chemically react with each other (oxidation-reduction reaction) to form the bright yellow sulfur deposits visible on the crater walls within Halema‘uma‘u.
Eruption pause provides an opportunity to probe volcanic pollution
Eruption pause provides an opportunity to probe volcanic pollutionOnly small amounts of sulfur dioxide (SO2) and hydrogen sulfide (H2S) are currently being released from Kīlauea, but they chemically react with each other (oxidation-reduction reaction) to form the bright yellow sulfur deposits visible on the crater walls within Halema‘uma‘u.
PubTalk 9/2018 - Hayward Earthquake
Title: The 150th Anniversary of the Damaging 1868 Hayward Earthquake: Why It Matters and How We Can Prepare for Its Repeat
Title: The 150th Anniversary of the Damaging 1868 Hayward Earthquake: Why It Matters and How We Can Prepare for Its Repeat
EROS: EarthExplorer and GloVis - Register For An Account
EROS: EarthExplorer and GloVis - Register For An AccountUSGS EROS | How To Search and Download Satellite Imagery The USGS Earth Resources Observation and Science (EROS) Center has created a series of videos to help users search for and download remotely sensed imagery. The first step in the process is to register for a free account so you can search and order data from EarthExplorer and GloVis websites.
EROS: EarthExplorer and GloVis - Register For An Account
EROS: EarthExplorer and GloVis - Register For An AccountUSGS EROS | How To Search and Download Satellite Imagery The USGS Earth Resources Observation and Science (EROS) Center has created a series of videos to help users search for and download remotely sensed imagery. The first step in the process is to register for a free account so you can search and order data from EarthExplorer and GloVis websites.
Image of the Week - Galapagos Islands
The Galapagos Islands, isolated in the eastern Pacific Ocean, lie about 1,000 km off the coast of Ecuador.
This Landsat 8 mosaic combines four images from March of 2015. The islands were formed by volcanoes, some of them still active. Volcanic craters and lava flows dominate the islands along with dense green vegetation.
The Galapagos Islands, isolated in the eastern Pacific Ocean, lie about 1,000 km off the coast of Ecuador.
This Landsat 8 mosaic combines four images from March of 2015. The islands were formed by volcanoes, some of them still active. Volcanic craters and lava flows dominate the islands along with dense green vegetation.
Sentinel Monitoring for New and Legacy Pesticides on Long Island, NY
Sentinel Monitoring for New and Legacy Pesticides on Long Island, NYUSGS Hydrologist Irene Fisher monitors groundwater conditions at an agricultural well.
Sentinel Monitoring for New and Legacy Pesticides on Long Island, NY
Sentinel Monitoring for New and Legacy Pesticides on Long Island, NYUSGS Hydrologist Irene Fisher monitors groundwater conditions at an agricultural well.
The Slow Path of Florence Flooding
Hurricane Florence hit the Carolina coast on September 14, 2018, but it took much longer for the full impact to emerge.
Hurricane Florence hit the Carolina coast on September 14, 2018, but it took much longer for the full impact to emerge.
USGS Denver Library
Photo of Building 41, which houses the USGS Denver Library and is located on the Denver Federal Center Campus in Lakewood, CO.
By
Photo of Building 41, which houses the USGS Denver Library and is located on the Denver Federal Center Campus in Lakewood, CO.
By
A scientist takes a gravity reading at a station located on the down-dropped blo
A scientist takes a gravity reading at a station located on the down-dropped bloA scientist takes a gravity reading at a station located on the down-dropped block of Kīlauea caldera, which subsided as an intact structure, while a second gravity instrument (foreground) records data. Many of the preexisting gravity stations, which have been measured for years, survived Kīlauea's 2018 summit collapse.
A scientist takes a gravity reading at a station located on the down-dropped blo
A scientist takes a gravity reading at a station located on the down-dropped bloA scientist takes a gravity reading at a station located on the down-dropped block of Kīlauea caldera, which subsided as an intact structure, while a second gravity instrument (foreground) records data. Many of the preexisting gravity stations, which have been measured for years, survived Kīlauea's 2018 summit collapse.
Algal bloom near the Ash River boat dock
Algal bloom near the Ash River boat dock, a public access point for boating and fishing on Kabetogama Lake. Microcystin has been detected at this location and at nearby Sullivan Bay at concentrations exceeding recreational guidelines.
Algal bloom near the Ash River boat dock, a public access point for boating and fishing on Kabetogama Lake. Microcystin has been detected at this location and at nearby Sullivan Bay at concentrations exceeding recreational guidelines.
An algal bloom near the Ash River Visitor Center at Kabetogama Lake
An algal bloom near the Ash River Visitor Center at Kabetogama LakeAn algal bloom near the Ash River Visitor Center at Kabetogama Lake, where visitors enjoy picnics and trails year-round.
An algal bloom near the Ash River Visitor Center at Kabetogama Lake
An algal bloom near the Ash River Visitor Center at Kabetogama LakeAn algal bloom near the Ash River Visitor Center at Kabetogama Lake, where visitors enjoy picnics and trails year-round.
Argon geochronology lab in Menlo Park, California.
Argon geochronology lab in Menlo Park, California.Argon geochronology lab in Menlo Park, California.
Argon geochronology lab in Menlo Park, California.
Argon geochronology lab in Menlo Park, California.Argon geochronology lab in Menlo Park, California.
Double-checking a high water mark on a church door near Maxton, NC
Double-checking a high water mark on a church door near Maxton, NCUSGS hydrographer Daniel McCay uses a level to double-check a high water mark on a church door near Maxton, NC as his USGS colleague Mary Winsor observes on Sept. 25, 2018, in the wake of flooding brought on by Hurricane Florence.
Double-checking a high water mark on a church door near Maxton, NC
Double-checking a high water mark on a church door near Maxton, NCUSGS hydrographer Daniel McCay uses a level to double-check a high water mark on a church door near Maxton, NC as his USGS colleague Mary Winsor observes on Sept. 25, 2018, in the wake of flooding brought on by Hurricane Florence.
First mission: USGS UAS monitors gas emissions at Mount St. Helens
First mission: USGS UAS monitors gas emissions at Mount St. HelensOn September 25, 2018, a team of three scientists based at the USGS–Cascades Volcano Observatory conducted the first-ever USGS-led Unmanned Aircraft Systems (UAS) campaign at Mount St. Helens. The UAS survey was conducted with the permission and coordination of the U.S. Forest Service Mount St. Helens National Volcanic Monument.
First mission: USGS UAS monitors gas emissions at Mount St. Helens
First mission: USGS UAS monitors gas emissions at Mount St. HelensOn September 25, 2018, a team of three scientists based at the USGS–Cascades Volcano Observatory conducted the first-ever USGS-led Unmanned Aircraft Systems (UAS) campaign at Mount St. Helens. The UAS survey was conducted with the permission and coordination of the U.S. Forest Service Mount St. Helens National Volcanic Monument.
First mission: USGS UAS monitors gas emissions at Mount St. Helens —AD
First mission: USGS UAS monitors gas emissions at Mount St. Helens —ADOn September 25, 2018, a team of three scientists based at the USGS–Cascades Volcano Observatory conducted the first-ever USGS-led Unmanned Aircraft Systems (UAS) campaign at Mount St. Helens. The UAS survey was conducted with the permission and coordination of the U.S. Forest Service Mount St. Helens National Volcanic Monument.
First mission: USGS UAS monitors gas emissions at Mount St. Helens —AD
First mission: USGS UAS monitors gas emissions at Mount St. Helens —ADOn September 25, 2018, a team of three scientists based at the USGS–Cascades Volcano Observatory conducted the first-ever USGS-led Unmanned Aircraft Systems (UAS) campaign at Mount St. Helens. The UAS survey was conducted with the permission and coordination of the U.S. Forest Service Mount St. Helens National Volcanic Monument.
Harry Dowsett at the Parkers Creek bone bed
Northeast Region Photo Contest Winner | October 2018 | Honorable Mention
Harry Dowsett at the Parkers Creek bone bed
Northeast Region Photo Contest Winner | October 2018 | Honorable Mention
Harry Dowsett at the Parkers Creek bone bed