The eastern (right) lava delta is the larger of the two, with a broad span of small lava flows entering the sea creating a wide ocean entry plume. Fewer flows on the smaller western (left) entry created a weaker plume.
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Explore our planet through photography and imagery, including climate change and water all the way back to the 1800s when the USGS was surveying the country by horse and buggy.
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Lava entering ocean in two locations on south coast of Kīlauea at K...
The eastern (right) lava delta is the larger of the two, with a broad span of small lava flows entering the sea creating a wide ocean entry plume. Fewer flows on the smaller western (left) entry created a weaker plume.
View of Kīlauea's summit lava lake from the north rim of Halema‘uma‘u.
View of Kīlauea's summit lava lake from the north rim of Halema‘uma‘u.
View of Kīlauea's summit lava lake from the north rim of Halema‘uma‘u.
A closer look at Kīlauea's summit lava lake on Wednesday evening, a...
A closer look at Kīlauea's summit lava lake on Wednesday evening, around 6:30 p.m., when the lake was just 8 meters (26 feet) below the floor of Halema‘uma‘u Crater.
A closer look at Kīlauea's summit lava lake on Wednesday evening, around 6:30 p.m., when the lake was just 8 meters (26 feet) below the floor of Halema‘uma‘u Crater.
A video clip showing spattering in Kīlauea's summit lava lake.
A video clip showing spattering in Kīlauea's summit lava lake.
A video clip showing spattering in Kīlauea's summit lava lake.
Gage house at the Lick Run Monitoring site
Gage house at the Lick Run Monitoring site
Gage house at the Lick Run Monitoring site
Kīlauea's lava lake at high level
On Wednesday evening (September 7), the lava lake at Kīlauea's summit reached a high level, about 8 m (26 feet) below the floor of Halema‘uma‘u Crater. This panorama shows the former Halema‘uma‘u Overlook (closed since 2008 due to volcanic hazards) at the far left.
On Wednesday evening (September 7), the lava lake at Kīlauea's summit reached a high level, about 8 m (26 feet) below the floor of Halema‘uma‘u Crater. This panorama shows the former Halema‘uma‘u Overlook (closed since 2008 due to volcanic hazards) at the far left.
Wind turbines at the Altamont Pass Wind Farm
The Altamont Pass Wind Far is located in northern California.
The Altamont Pass Wind Far is located in northern California.
Aerial photograph looking west along Dauphin Island, Alabama
Aerial photograph looking west along Dauphin Island, Alabama, taken in September 2016.
Aerial photograph looking west along Dauphin Island, Alabama, taken in September 2016.
Aerial photograph of Breton Island, Sept. 7, 2016
Aerial photograph of Breton Island, Sept. 7, 2016. The USGS Coastal and Marine Hazards and Resources Program studies changes to coastal landscapes such as barrier islands.
Aerial photograph of Breton Island, Sept. 7, 2016. The USGS Coastal and Marine Hazards and Resources Program studies changes to coastal landscapes such as barrier islands.
USGS scientist sampling tap water from a public water supply
USGS scientist sampling tap water from a public water supply.
USGS scientist sampling tap water from a public water supply.
Beautiful morning at the summit of Kīlauea
Kīlauea Volcano's lava lake within Halema‘uma‘u Crater rose steadily over the past day in concert with summit inflation. This morning, with the lake level at just 19 m (62 ft) below the summit vent rim, vigorous spattering on the lake surface was visible from the Jaggar Museum Overlook in Hawai‘i Volcanoes National Park.
Kīlauea Volcano's lava lake within Halema‘uma‘u Crater rose steadily over the past day in concert with summit inflation. This morning, with the lake level at just 19 m (62 ft) below the summit vent rim, vigorous spattering on the lake surface was visible from the Jaggar Museum Overlook in Hawai‘i Volcanoes National Park.
Geographic regions of projects conducted by Ernie Valdez
Ernie Valdez’s research is generally focused in the western United States but has extended as far west at the US Territory of the Northern Mariana Islands.
Ernie Valdez’s research is generally focused in the western United States but has extended as far west at the US Territory of the Northern Mariana Islands.
GPR and Broadband Electromagnetic Induction
USGS scientists conduct field work in the foothills of the Brooks Range in Alaska. Hydrologist Eric White (left) is collecting ground-penetrating radar (GPR). Research Hydrologist Martin Briggs (right) is collecting broadband electromagnetic induction data. The flowing water visible in the background is groundwater discharging at a spring. (October 2016)
USGS scientists conduct field work in the foothills of the Brooks Range in Alaska. Hydrologist Eric White (left) is collecting ground-penetrating radar (GPR). Research Hydrologist Martin Briggs (right) is collecting broadband electromagnetic induction data. The flowing water visible in the background is groundwater discharging at a spring. (October 2016)
Insect sampling at Ivanpah Solar Electric Generating System in CA
USGS Scientist, Ernie Valdez, sampling for insects at Ivanpah Solar Electric Generating System in southern California.
USGS Scientist, Ernie Valdez, sampling for insects at Ivanpah Solar Electric Generating System in southern California.
Tyndall Glacier in Taan Fiord, Alaska
Tyndall Glacier in Taan Fiord, Alaska, is a modern day remnant of the glaciers that once flowed over the Gulf of Alaska.
Tyndall Glacier in Taan Fiord, Alaska, is a modern day remnant of the glaciers that once flowed over the Gulf of Alaska.
Example of thawing landscapes and thermokarst at our field sites
Example of thawing landscapes and thermokarst at our field sites
Example of thawing landscapes and thermokarst at our field sites
NCASC Chief Doug Beard at IUCN Event
NCASC Chief Doug Beard presentingon sea level rise work at DOI CASCs at the US Pavilion at an IUCN event in Honolulu
NCASC Chief Doug Beard presentingon sea level rise work at DOI CASCs at the US Pavilion at an IUCN event in Honolulu
Elwha River mouth in September 2016
Aerial photograph of the mouth of the Elwha River showing sediment deposits from dam removal. Aerial assistance by LightHawk and plane piloted by Dr. Milton Bennett.
Aerial photograph of the mouth of the Elwha River showing sediment deposits from dam removal. Aerial assistance by LightHawk and plane piloted by Dr. Milton Bennett.
Soil tracer applied on burned hillslope
Brian Ebel pours a dye tracer into a pit to observe how water moves through soils on a burned hillslope.
Brian Ebel pours a dye tracer into a pit to observe how water moves through soils on a burned hillslope.
Kevin Gallagher presenting at the IUCN World Conservation Congress
Kevin T. Gallagher, USGS Associate Director, Core Science Systems, address audience
At the IUCN World Conservation Congress about the need to advance scientific knowledge
Kevin T. Gallagher, USGS Associate Director, Core Science Systems, address audience
At the IUCN World Conservation Congress about the need to advance scientific knowledge
Measuring streamflow
Neil Yobbi, U.S. Geological Survey hydrologic technician, uses an Acoustic Doppler Velocimeter to measure stream flow on Curlew Creek in Tampa, Florida. While Hurricane Hermine might have made landfall almost 200 miles away in St.
Neil Yobbi, U.S. Geological Survey hydrologic technician, uses an Acoustic Doppler Velocimeter to measure stream flow on Curlew Creek in Tampa, Florida. While Hurricane Hermine might have made landfall almost 200 miles away in St.