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Images related to natural hazards.
View upslope to the headscarp of the Red Bluffs landslide, seen from the surface of the Crescent Lake landslide, in the Columbia Gorge.
View upslope to the headscarp of the Red Bluffs landslide, seen from the surface of the Crescent Lake landslide, in the Columbia Gorge.
Mount Hood in the not-so-far distance beyond downtown Portland, Oregon. Photograph taken at the top of the Portland Aerial Tram line on Marquam Hill.
Mount Hood in the not-so-far distance beyond downtown Portland, Oregon. Photograph taken at the top of the Portland Aerial Tram line on Marquam Hill.
Ice Springs cinder cone and lava flow erupted 720 years ago in the Black Rock Desert Volcanic Field, Utah.
Ice Springs cinder cone and lava flow erupted 720 years ago in the Black Rock Desert Volcanic Field, Utah.
Volcanic Hazard Assessment for the Lassen Region, California is based upon a comprehensive investigation of the eruptive history and possible future eruption scenarios with associated volcanic hazards.
Volcanic Hazard Assessment for the Lassen Region, California is based upon a comprehensive investigation of the eruptive history and possible future eruption scenarios with associated volcanic hazards.
Map of Yellowstone National Park showing Brimstone Basin and other areas known to release carbon dioxide from the ground.
Map of Yellowstone National Park showing Brimstone Basin and other areas known to release carbon dioxide from the ground.
The east face of Middle Sister is 350 m (1150 ft) high. Ice-sculpted pile of lavas at right, variously called "Black Hump," "Prouty Point," or "Step Sister," has 190 m of relief and consists of at least five flows.
The east face of Middle Sister is 350 m (1150 ft) high. Ice-sculpted pile of lavas at right, variously called "Black Hump," "Prouty Point," or "Step Sister," has 190 m of relief and consists of at least five flows.
A tumulus at Captain Jack's stronghold within Lava Beds National Monument .
A tumulus at Captain Jack's stronghold within Lava Beds National Monument .
Lassen Peak viewed from the south at the summit of Brokeoff Volcano, Lassen Volcanic National Park.
Lassen Peak viewed from the south at the summit of Brokeoff Volcano, Lassen Volcanic National Park.
Acoustic backscatter intensity data are an indication of the relative hardness or softness of the sea floor, which is closely related to sediment texture and cohesion. The map shows acoustic backscatter intensity of the sea floor in the Buzzards Bay, Massachusetts.
Acoustic backscatter intensity data are an indication of the relative hardness or softness of the sea floor, which is closely related to sediment texture and cohesion. The map shows acoustic backscatter intensity of the sea floor in the Buzzards Bay, Massachusetts.
Image showing a study area from Boston Harbor to the mouth of Cape Cod Bay including some images of geophysical and sample data available in the associated report.
Image showing a study area from Boston Harbor to the mouth of Cape Cod Bay including some images of geophysical and sample data available in the associated report.
Underwater photograph off Molokaʻi Hawaiʻi, showing some of the impacts of land-based pollution, such as terrestrial sediment, on coral reefs: burial by sediment, algal overgrowth, and coral bleaching.
Underwater photograph off Molokaʻi Hawaiʻi, showing some of the impacts of land-based pollution, such as terrestrial sediment, on coral reefs: burial by sediment, algal overgrowth, and coral bleaching.
Photo of Sunset Beach, Florida, during tropical storm Colin in June 2016. The storm resulted in large waves and elevated water levels that caused erosion in this area, as can be seen in the scarp forming at the vegetation line. CMHRP researchers surveyed the elevation of the beach before and after the storm to quantify the storm's impacts.
Photo of Sunset Beach, Florida, during tropical storm Colin in June 2016. The storm resulted in large waves and elevated water levels that caused erosion in this area, as can be seen in the scarp forming at the vegetation line. CMHRP researchers surveyed the elevation of the beach before and after the storm to quantify the storm's impacts.
Aerial imagery sequence of Indian Point, Louisiana, showing the contraction of the peninsula marsh in response to shoreline erosion since 1950.
Aerial imagery sequence of Indian Point, Louisiana, showing the contraction of the peninsula marsh in response to shoreline erosion since 1950.
Tephra-laden water filtering through the turbines has necessitated the replacement of four turbines in 21 years. The Agoyan Dam and its (orange) floodgates are designed to let highly turbid water bypass the turbines so as to avoid accelerated wear of generation components
Tephra-laden water filtering through the turbines has necessitated the replacement of four turbines in 21 years. The Agoyan Dam and its (orange) floodgates are designed to let highly turbid water bypass the turbines so as to avoid accelerated wear of generation components
Summary of power system impacts following 12 historic eruptions.
Summary of power system impacts following 12 historic eruptions.
Mount St. Helens and the industrial waterfront area of North Portland, Oregon along the Willamette River in the foreground. Excess sediment from volcanoes can significantly impact river traffic.
Mount St. Helens and the industrial waterfront area of North Portland, Oregon along the Willamette River in the foreground. Excess sediment from volcanoes can significantly impact river traffic.
Mount Hood looms above the Columbia River and Glenn Jackson Bridge. Excess sediment from eruptions of Mount Hood have choked the river and caused flooding in the past.
Mount Hood looms above the Columbia River and Glenn Jackson Bridge. Excess sediment from eruptions of Mount Hood have choked the river and caused flooding in the past.
"Stevens and Party at Kīlauea" - U.S. Minister Stevens is second from the right. Demosthenes Lycurgus and Alex Lancaster are first and second from the left, respectively.
"Stevens and Party at Kīlauea" - U.S. Minister Stevens is second from the right. Demosthenes Lycurgus and Alex Lancaster are first and second from the left, respectively.
Westco discrete nutrient analyzer measures low-levels of nutrients in water samples
Westco discrete nutrient analyzer measures low-levels of nutrients in water samples
The ocean entry (at center of image) near Kupapa`u remains active, with a weak and wispy plume. The light colored area on the coastal plain shows the recently active flows.
The ocean entry (at center of image) near Kupapa`u remains active, with a weak and wispy plume. The light colored area on the coastal plain shows the recently active flows.
This thermal image shows the scattered breakouts on the coastal plain and the ocean entry near Kupapa`u. In addition to these coastal plain flows, several breakouts were active near the top of the pali, around the northern boundary of Royal Gardens subdivision.
This thermal image shows the scattered breakouts on the coastal plain and the ocean entry near Kupapa`u. In addition to these coastal plain flows, several breakouts were active near the top of the pali, around the northern boundary of Royal Gardens subdivision.