San Clemente Dam was a 106-foot-high concrete arch dam that was located approximately 18.5 miles from the Pacific Ocean on the Carmel River. It was built in 1921 to create a reservoir to support the growing residential, agricultural, and tourism-related development.
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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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Former site of San Clemente Dam, Carmel River
San Clemente Dam was a 106-foot-high concrete arch dam that was located approximately 18.5 miles from the Pacific Ocean on the Carmel River. It was built in 1921 to create a reservoir to support the growing residential, agricultural, and tourism-related development.
Measuring a high water mark as flooding recedes
USGS hydrographer Kyle Marchman measures a high water mark on the rear wall of a Kangaroo gas station on Highway 24 north of Fayetteville, NC on Sept. 18, 2018, after flooding caused by Hurricane Florence.
USGS hydrographer Kyle Marchman measures a high water mark on the rear wall of a Kangaroo gas station on Highway 24 north of Fayetteville, NC on Sept. 18, 2018, after flooding caused by Hurricane Florence.
Parrotfish grazing on coral in Buck Island Reef National Monument
Parrotfish grazing on coral in Buck Island Reef National MonumentParrotfish grazing on coral within an Acropora palmata framework in Buck Island Reef National Monument
Parrotfish grazing on coral in Buck Island Reef National Monument
Parrotfish grazing on coral in Buck Island Reef National MonumentParrotfish grazing on coral within an Acropora palmata framework in Buck Island Reef National Monument
Measuring the Lumber River floodwaters
James Stonecypher measures flood waters from the Lumber River that breached a dam in Lumberton, North Carolina after the passage of Hurricane Florence, Sept. 17, 2018.
James Stonecypher measures flood waters from the Lumber River that breached a dam in Lumberton, North Carolina after the passage of Hurricane Florence, Sept. 17, 2018.
Mules loaded with sampling equipment and supplies, Yellowstone
Mules loaded with sampling equipment and supplies, YellowstoneMules loaded with sampling equipment and supplies for a mission to collect gas and thermal water samples from the Bechler River area in the southwest part of Yellowstone National Park.
Mules loaded with sampling equipment and supplies, Yellowstone
Mules loaded with sampling equipment and supplies, YellowstoneMules loaded with sampling equipment and supplies for a mission to collect gas and thermal water samples from the Bechler River area in the southwest part of Yellowstone National Park.
Outstanding in the field
USGS Research Geologist Dr. Erika Lentz is conducting real-time kinematic GPS surveys on barrier island dunes, part of her research looking at how coastal landscapes respond to sea-level rise.
USGS Research Geologist Dr. Erika Lentz is conducting real-time kinematic GPS surveys on barrier island dunes, part of her research looking at how coastal landscapes respond to sea-level rise.
Thermal feature along Ferris Fork near Bechler River, Yellowstone
Thermal feature along Ferris Fork near Bechler River, YellowstoneAn unnamed but charismatic thermal feature alongside Ferris Fork, near the Bechler River. The center of the pool is roiling with gas bubbles, but not boiling! The pool is only about 180 degrees F (81 degrees C), and all the gas is bubbling up from underground.
Thermal feature along Ferris Fork near Bechler River, Yellowstone
Thermal feature along Ferris Fork near Bechler River, YellowstoneAn unnamed but charismatic thermal feature alongside Ferris Fork, near the Bechler River. The center of the pool is roiling with gas bubbles, but not boiling! The pool is only about 180 degrees F (81 degrees C), and all the gas is bubbling up from underground.
As Florence rains, rivers keep rising, submerging some USGS instrument
As Florence rains, rivers keep rising, submerging some USGS instrumentA WaterWatch web map shows streamgages in North and South Carolina that approached or exceeded major flood stage EST on September 19, 2018, as the former Hurricane Florence, now downgraded to a tropical depression, deluged the states with rain.
As Florence rains, rivers keep rising, submerging some USGS instrument
As Florence rains, rivers keep rising, submerging some USGS instrumentA WaterWatch web map shows streamgages in North and South Carolina that approached or exceeded major flood stage EST on September 19, 2018, as the former Hurricane Florence, now downgraded to a tropical depression, deluged the states with rain.
Cottonwood Fire, 2016
October 16, 2018, marks the two-year anniversary of the Cottonwood Fire in western South Dakota. The fire consumed a large swath of grassland near the community of Wall and just north of Badlands National Park.
October 16, 2018, marks the two-year anniversary of the Cottonwood Fire in western South Dakota. The fire consumed a large swath of grassland near the community of Wall and just north of Badlands National Park.
Did groundwater trigger explosive eruptions at Kīlauea?
Did groundwater trigger explosive eruptions at Kīlauea?Explosive eruption columns of ash rising from Halema‘uma‘u at 11:15 a.m. on May 18, 1924 (top) and at 11:05 a.m. on May 15, 2018 (bottom) look similar.
Did groundwater trigger explosive eruptions at Kīlauea?
Did groundwater trigger explosive eruptions at Kīlauea?Explosive eruption columns of ash rising from Halema‘uma‘u at 11:15 a.m. on May 18, 1924 (top) and at 11:05 a.m. on May 15, 2018 (bottom) look similar.
Ear Spring, Yellowstone National Park
Ear Spring photographed on September 16, 2018. Rocks and other debris on the ground surrounding the spring were ejected during the September 15 water eruption. The spring is dry in this photo.
Ear Spring photographed on September 16, 2018. Rocks and other debris on the ground surrounding the spring were ejected during the September 15 water eruption. The spring is dry in this photo.
Following the draining of magma from Pu‘u ‘Ō‘ō on Ap
Following the draining of magma from Pu‘u ‘Ō‘ō on ApFollowing the draining of magma from Pu‘u ‘Ō‘ō on April 30, 2018, the crater was roughly 356 meters (1168 feet) deep. The upper part of the crater was flaring, with the deepest portion a narrower cylindrical shaft.
Following the draining of magma from Pu‘u ‘Ō‘ō on Ap
Following the draining of magma from Pu‘u ‘Ō‘ō on ApFollowing the draining of magma from Pu‘u ‘Ō‘ō on April 30, 2018, the crater was roughly 356 meters (1168 feet) deep. The upper part of the crater was flaring, with the deepest portion a narrower cylindrical shaft.
Working to keep vital flood information flowing in the Carolinas
Working to keep vital flood information flowing in the CarolinasDavid Stillwell, USGS hydrologic technician, performs a discharge measurement to help document and forecast flooding caused by Hurricane Florence at Long Creek in Rhyne, North Carolina on Sept. 16.
Working to keep vital flood information flowing in the Carolinas
Working to keep vital flood information flowing in the CarolinasDavid Stillwell, USGS hydrologic technician, performs a discharge measurement to help document and forecast flooding caused by Hurricane Florence at Long Creek in Rhyne, North Carolina on Sept. 16.
Strom sensor deployed in Pennsylvania for Hurricane Florence
Strom sensor deployed in Pennsylvania for Hurricane FlorenceThis photo shows one of 8 storm sensors deployed in Pennsylvania to monitor the potential effects Hurricane Florence could have on already high rivers across the state. Photo by Matthew Gyves, USGS.
Strom sensor deployed in Pennsylvania for Hurricane Florence
Strom sensor deployed in Pennsylvania for Hurricane FlorenceThis photo shows one of 8 storm sensors deployed in Pennsylvania to monitor the potential effects Hurricane Florence could have on already high rivers across the state. Photo by Matthew Gyves, USGS.
Cape Cod National Seashore
A look to the north along the bluffs at the Cape Cod National Seashore, from Marconi Station. Over the years, the USGS continues to work with the National Park Service at the Cape Cod National Seashore.
A look to the north along the bluffs at the Cape Cod National Seashore, from Marconi Station. Over the years, the USGS continues to work with the National Park Service at the Cape Cod National Seashore.
COAWST Model Prediction
COAWST model prediction on September 13, 2018 at 17:00:00. Arrows are wind speed and direction and colors are wave heights in meters.
COAWST model prediction on September 13, 2018 at 17:00:00. Arrows are wind speed and direction and colors are wave heights in meters.
Rockfalls continue to change the shape of Pu‘u ‘Ō‘ō
Rockfalls continue to change the shape of Pu‘u ‘Ō‘ōThe video was taken during an overflight of Pu‘u ‘Ō‘ō crater on Kīlauea's middle East Rift Zone. No major changes were observed, but the crater shape continues to change due to continued rockfalls.
Rockfalls continue to change the shape of Pu‘u ‘Ō‘ō
Rockfalls continue to change the shape of Pu‘u ‘Ō‘ōThe video was taken during an overflight of Pu‘u ‘Ō‘ō crater on Kīlauea's middle East Rift Zone. No major changes were observed, but the crater shape continues to change due to continued rockfalls.
Southern Monterey Bay beach studies
After USGS scientist Dan Hoover drove a couple of pass with his all-terrain vehicle (ATV), equipped with gear that collects elevations, on a mostly flat beach in southern Monterey Bay, California. Then he turned to take this photo of his tire tracks.
After USGS scientist Dan Hoover drove a couple of pass with his all-terrain vehicle (ATV), equipped with gear that collects elevations, on a mostly flat beach in southern Monterey Bay, California. Then he turned to take this photo of his tire tracks.
Beach survey on personal watercraft
Two personal watercraft operators from the USGS Pacific Coastal and Marine Science Center in Santa Cruz, California, navigate their personal watercraft (PWC) in the shallow nearshore region in Moss Landing near Elkhorn Slough. The PWCs are set up with precision GPS and echosounder systems in order to create detailed bathymetric maps (depth).
Two personal watercraft operators from the USGS Pacific Coastal and Marine Science Center in Santa Cruz, California, navigate their personal watercraft (PWC) in the shallow nearshore region in Moss Landing near Elkhorn Slough. The PWCs are set up with precision GPS and echosounder systems in order to create detailed bathymetric maps (depth).
Cheboygan Vessel Base
The Cheboygan Vessel Base. Please see our Locations page for more information.
The Cheboygan Vessel Base. Please see our Locations page for more information.
Collections in USGS Library in Reston
USGS Library's collections and services are used by USGS staff and other researchers across the world.
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USGS Library's collections and services are used by USGS staff and other researchers across the world.
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