Scientist observing Mount St. Helens' crater and dome
Scientist observing Mount St. Helens' crater and domeUSGS scientist observing Mount St. Helens' crater and dome from the Brutus Camera station.
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Images related to natural hazards.
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Scientist observing Mount St. Helens' crater and dome
Scientist observing Mount St. Helens' crater and dome
Scientist observing Mount St. Helens' crater and domeUSGS scientist observing Mount St. Helens' crater and dome from the Brutus Camera station.
Burnt Hillslope Above Turnpike
This hillslope above the turnpike burns every few years. This photograph was taken less than 2 years after the hillslope burned. The same tree is visible in. The location is 18º3'N, 66º13'W and the elevation is 255 m.
This hillslope above the turnpike burns every few years. This photograph was taken less than 2 years after the hillslope burned. The same tree is visible in. The location is 18º3'N, 66º13'W and the elevation is 255 m.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
USGS hydrologic technician Mark Hendricks preparing to make a discharge measurement during the April 2007 flood of Wallkill River near Gardiner, New York
USGS hydrologic technician Mark Hendricks preparing to make a discharge measurement during the April 2007 flood of Wallkill River near Gardiner, New York
USGS hydrologic technician Mark Hendricks preparing to make a discharge measurement during the April 2007 flood of Wallkill River near Gardiner, New York
USGS hydrologic technician Mark Hendricks preparing to make a discharge measurement during the April 2007 flood of Wallkill River near Gardiner, New YorkUSGS hydrologic technician Mark Hendricks preparing to make a discharge measurement during the April 2007 flood of Wallkill River near Gardiner, New York
USGS hydrologic technician Mark Hendricks preparing to make a discharge measurement during the April 2007 flood of Wallkill River near Gardiner, New York
Fire Island, NY beach houses
Beach front houses on Fire Island, NY
Rio Nigua at Turnpike
A fire scar is visible on the distant hills. During the dry season brush fires are common in Salinas, Puerto Rico. The vegetation near the river is greener and burns less often then the hillslopes. The location is 17º59'15"N, 66º17'40"W and the elevation is 10 m.
A fire scar is visible on the distant hills. During the dry season brush fires are common in Salinas, Puerto Rico. The vegetation near the river is greener and burns less often then the hillslopes. The location is 17º59'15"N, 66º17'40"W and the elevation is 10 m.
Unidentified Palm and Pine Trees
Pine trees and palm trees seen at the Merritt Island Wildlife Refuge. These palms show evidence of exposure to a wildfire.
Pine trees and palm trees seen at the Merritt Island Wildlife Refuge. These palms show evidence of exposure to a wildfire.
Shrubs at Merritt Island Wildlife Refuge
Shrubs and grass at the Merritt Island Wildlife Refuge showing evidence of a wildfire.
Shrubs and grass at the Merritt Island Wildlife Refuge showing evidence of a wildfire.
Unidentified Palm Trees
Palm trees at the Merritt Island Wildlife Refuge. These palms show evidence of exposure to a wildfire.
Palm trees at the Merritt Island Wildlife Refuge. These palms show evidence of exposure to a wildfire.
Palms and Pines in a Forest
Pine trees and palm trees standing among fallen trees at the Merritt Island Wildlife Refuge. Both pines and palms show evidence of exposure to a wildfire.
Pine trees and palm trees standing among fallen trees at the Merritt Island Wildlife Refuge. Both pines and palms show evidence of exposure to a wildfire.
Palms and Pines in a Forest
Tall pine trees standing among fallen trees at the Merritt Island Wildlife Refuge. Palm trees are seen on the left side of the image. Both pines and palms show evidence of exposure to wildfire.
Tall pine trees standing among fallen trees at the Merritt Island Wildlife Refuge. Palm trees are seen on the left side of the image. Both pines and palms show evidence of exposure to wildfire.
Palm Trees in a Forest
Pine trees and fallen branches at the Merritt Island Wildlife Refuge. These palms show evidence of exposure to a wildfire.
Pine trees and fallen branches at the Merritt Island Wildlife Refuge. These palms show evidence of exposure to a wildfire.
Pine Trees in a Forest
View of pine trees at Merritt Island Wildlife Refuge. Palm trees are seen on the left side of the image. Both pines and palms show evidence of exposure to a wildfire.
View of pine trees at Merritt Island Wildlife Refuge. Palm trees are seen on the left side of the image. Both pines and palms show evidence of exposure to a wildfire.
Trees at Merritt Island Wildlife Refuge
Pines and shrubs at the Merritt Island National Wildlife Refuge showing evidence of a wildfire.
Pines and shrubs at the Merritt Island National Wildlife Refuge showing evidence of a wildfire.
Morning overflight view to the south. The Cape Kumukahi Light can be seen in amo
Morning overflight view to the south. The Cape Kumukahi Light can be seen in amoMorning overflight view to the south. The Cape Kumukahi Light can be seen in amongst the flows in the lower portion of the photograph. Ocean entry is still present just offshore of Kapoho with a more robust entry to the south (larger steam plume) near Ahalanui Beach Park.
Morning overflight view to the south. The Cape Kumukahi Light can be seen in amo
Morning overflight view to the south. The Cape Kumukahi Light can be seen in amoMorning overflight view to the south. The Cape Kumukahi Light can be seen in amongst the flows in the lower portion of the photograph. Ocean entry is still present just offshore of Kapoho with a more robust entry to the south (larger steam plume) near Ahalanui Beach Park.
Seafloor map of Puerto Rico Trench
A NOAA image of the bathymetry north of Puerto Rico. Two ancient submarine landslides are visible as head scarps (labeled Loiza and Arecibo Amphitheaters). Seafloor fissures are indicated by black arrows, and dashed lines outline debris flows from past failures. Map annotated by Uri ten Brink, USGS
A NOAA image of the bathymetry north of Puerto Rico. Two ancient submarine landslides are visible as head scarps (labeled Loiza and Arecibo Amphitheaters). Seafloor fissures are indicated by black arrows, and dashed lines outline debris flows from past failures. Map annotated by Uri ten Brink, USGS
Tree ring dating
Tamarisk stem cross-section cut 2.8 m below the ground surface showing how sediment deposition is dated using tree rings. Following initial burial of 68 cm in 1969, ring-width decreased, vessel size increased, and annual transitions became less distinct. After a second burial by 41 cm in 1972, annual transitions became indistinguishable.
Tamarisk stem cross-section cut 2.8 m below the ground surface showing how sediment deposition is dated using tree rings. Following initial burial of 68 cm in 1969, ring-width decreased, vessel size increased, and annual transitions became less distinct. After a second burial by 41 cm in 1972, annual transitions became indistinguishable.
Didemnum vexillum
Didemnum vexillum
Shaded relief image of Red Brook Harbor
Shaded relief image of Red Brook, Massachusetts Harbor
Shaded relief image of Red Brook, Massachusetts Harbor
Shaded relief image of Quicks Hole, Massachusetts
Shaded relief image of Quicks Hole, Massachusetts
Shaded relief image of Quicks Hole, Massachusetts
Multibeam bathymetry of San Francisco Bay
A multibeam bathymetric survey that produced unprecedented high resolution images of the mouth of San Francisco Bay was conducted in 2004 and 2005.
A multibeam bathymetric survey that produced unprecedented high resolution images of the mouth of San Francisco Bay was conducted in 2004 and 2005.