Kelp greenling fish, about 8 inches long, swims above a seafloor of mixed gravel, cobble, and rock near Half Moon Bay, California.
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Kelp Greenling in Half Moon Bay
Kelp greenling fish, about 8 inches long, swims above a seafloor of mixed gravel, cobble, and rock near Half Moon Bay, California.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Davis Rd. Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Redoubt Volcano Summit Crater During Eruption
Redoubt Volcano summit crater during eruption. This was taken just after explosive activity at redoubt ceased. There were still significant gas and steam emissions occurring. Iliamna Volcano to the south of Redoubt is visible in the background.
Redoubt Volcano summit crater during eruption. This was taken just after explosive activity at redoubt ceased. There were still significant gas and steam emissions occurring. Iliamna Volcano to the south of Redoubt is visible in the background.
Alaska Volcano Observatory Monitoring Room
This photos was staged to simulate how scientists monitor data.
This photos was staged to simulate how scientists monitor data.
Florida floods with extreme highwater
The dry landscape of northwest Florida floods with extreme highwater from the Withlacoochee River.
The dry landscape of northwest Florida floods with extreme highwater from the Withlacoochee River.
Northwest Florida is inundated by floodwaters
The rural landscape in northwest Florida is inundated by floodwaters of the Alapaha River.
The rural landscape in northwest Florida is inundated by floodwaters of the Alapaha River.
Bridge and Train Trestle across the Alapaha
The Bridge and Train Trestle across the Alapaha provide USGS hydrologic technicians and emergency crews a good survey of flooding conditions for making measurements.
The Bridge and Train Trestle across the Alapaha provide USGS hydrologic technicians and emergency crews a good survey of flooding conditions for making measurements.
Hydrologic technicians survey the volume of water discharge
Hydrologic technicians survey the volume of water dischargeUSGS hydrologic technicians survey the volume of water discharging across flooded state road 141 from the Withlacoochee River near Lee, Florida (Monday, April 13, 2009).
Courtesy of the Florida Fish and Wildlife Conservation Commission
Hydrologic technicians survey the volume of water discharge
Hydrologic technicians survey the volume of water dischargeUSGS hydrologic technicians survey the volume of water discharging across flooded state road 141 from the Withlacoochee River near Lee, Florida (Monday, April 13, 2009).
Courtesy of the Florida Fish and Wildlife Conservation Commission
Secretary Salazar Speaking on Recovery Funds for Earthquake Networks
Secretary Salazar Speaking on Recovery Funds for Earthquake NetworksSecretary of the Interior Ken Salazar announced the U.S. Geological Survey will fund \$29.4 million in earthquake network upgrades nationwide through the American Recovery and Reinvestment Act of 2009.
Secretary Salazar Speaking on Recovery Funds for Earthquake Networks
Secretary Salazar Speaking on Recovery Funds for Earthquake NetworksSecretary of the Interior Ken Salazar announced the U.S. Geological Survey will fund \$29.4 million in earthquake network upgrades nationwide through the American Recovery and Reinvestment Act of 2009.