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Images
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Ground Photo of Fault
Aerial Photo of the Surface Rupture
Splayed fractures running through loose alluvium.
Splayed fractures running through loose alluvium.
Aerial Photo of the Surface Rupture
'Apparent' vertical displacement and scarps caused by mainly lateral slip.
'Apparent' vertical displacement and scarps caused by mainly lateral slip.
Ground Photo of Fault
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Ground Photo of Fault
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Ground Photo of Fault
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Ground Photo of Fault
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Ground Photo of Fault
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Station 08028500 Sabine River near Bon Wier, Texas
Station 08028500 Sabine River near Bon Wier, TexasU.S. Geological Survey streamflow-gaging station 08028500 Sabine River near Bon Wier, Texas, photograph looking from left bank adjacent to U.S. Highway 190 bridge, May 30, 1999.
SIR 2009–5174
Station 08028500 Sabine River near Bon Wier, Texas
Station 08028500 Sabine River near Bon Wier, TexasU.S. Geological Survey streamflow-gaging station 08028500 Sabine River near Bon Wier, Texas, photograph looking from left bank adjacent to U.S. Highway 190 bridge, May 30, 1999.
SIR 2009–5174
Grímsvötn Caldera
Photograph from the southwestern wall of the Grímsvötn caldera in Vatnajökull on December, 19 1998.
Photograph from the southwestern wall of the Grímsvötn caldera in Vatnajökull on December, 19 1998.
Measuring a Superheated Fumarole
USGS geochemist Bill Evans measures the temperature of a superheated (hotter than the boiling point) fumarole in Lassen Volcanic National Park.
USGS geochemist Bill Evans measures the temperature of a superheated (hotter than the boiling point) fumarole in Lassen Volcanic National Park.
A Red-Faced Warbler in Arizona
Red-faced warblers are one of the species affected by climate change in the form of reduced snowpack in the Arizona Mountains, according to a USGS Montana Cooperative Wildlife Research Unit study.
Red-faced warblers are one of the species affected by climate change in the form of reduced snowpack in the Arizona Mountains, according to a USGS Montana Cooperative Wildlife Research Unit study.
Red Mangrove Islands (Rhizophora mangle)
Several red mangrove "islands" in an intracoastal waterway. Photograph taken circa 1998.
Several red mangrove "islands" in an intracoastal waterway. Photograph taken circa 1998.
Coastal Dune with Seaoats (Uniola paniculata) and Spanish Bayonets (Yucca Sp.)
Coastal Dune with Seaoats (Uniola paniculata) and Spanish Bayonets (Yucca Sp.)Florida's Atlantic coastal dune with typical vegetation such as seaoats and Spanish bayonets. Trails to the beach cut through the dune. Photograph taken circa 1998.
Coastal Dune with Seaoats (Uniola paniculata) and Spanish Bayonets (Yucca Sp.)
Coastal Dune with Seaoats (Uniola paniculata) and Spanish Bayonets (Yucca Sp.)Florida's Atlantic coastal dune with typical vegetation such as seaoats and Spanish bayonets. Trails to the beach cut through the dune. Photograph taken circa 1998.
Cecilioides Consobrinus
Cecioides consobrinus shell viewed with a scanning electron microscope with aperture facing up.
Cecioides consobrinus shell viewed with a scanning electron microscope with aperture facing up.
Coso Volcanic Field Tumulus
A tumulus in the Coso Volcanic Field, California. This lava was probably more viscous than the lava found in the Hawaii tumuli.
A tumulus in the Coso Volcanic Field, California. This lava was probably more viscous than the lava found in the Hawaii tumuli.
Measuring White Sturgeons
Juvenile white sturgeons on measuring board.
Juvenile white sturgeons on measuring board.
Section of Burst Tumulus
A section of burst tumulus that has fallen away from the larger structure. Tumuli can burst when the influx of lava is rapid compared to the rate at which the crust is thickening by cooling. In these cases the pressure driving the lava is significantly greater than the weight of the overlying crust.
A section of burst tumulus that has fallen away from the larger structure. Tumuli can burst when the influx of lava is rapid compared to the rate at which the crust is thickening by cooling. In these cases the pressure driving the lava is significantly greater than the weight of the overlying crust.
A'a' Channel
An a'a' channel near the Royal Gardens subdivision on Kilauea Volcano, Hawaii. The flows in the background are from the 1980s. Note that the flow level is below the levees and the pahoehoe overflows emplaced on top of the a'a'.
An a'a' channel near the Royal Gardens subdivision on Kilauea Volcano, Hawaii. The flows in the background are from the 1980s. Note that the flow level is below the levees and the pahoehoe overflows emplaced on top of the a'a'.
A'a' Channel
Detail of levee on an active channelized aa flow. Note the pahoehoe overflows in the levees and the level of the active flow below the tops of the levees. This lower flow level is not allowed in the commonly used "Bingham" model of lava flows.
Detail of levee on an active channelized aa flow. Note the pahoehoe overflows in the levees and the level of the active flow below the tops of the levees. This lower flow level is not allowed in the commonly used "Bingham" model of lava flows.
A'a' Channel
Detail of levee on an active channelized aa flow. Note the pahoehoe overflows in the levees and the level of the active flow below the tops of the levees. This lower flow level is not allowed in the commonly used "Bingham" model of lava flows.
Detail of levee on an active channelized aa flow. Note the pahoehoe overflows in the levees and the level of the active flow below the tops of the levees. This lower flow level is not allowed in the commonly used "Bingham" model of lava flows.