Images

USGS scientists measure streamflow during historical flooding in Fargo, ND. This information is critical for deveoping flood forecasts to help protect lives and property.

USGS scientists measure streamflow during historical flooding in Fargo, ND. This information is critical for developing flood forecasts to help protect lives and property.

USGS scientists continue to monitor streamflow during the historic flooding taking place in Fargo, ND. This information provides critical information used to estimate flood dangers and helps protect lives and property.

USGS scientists continue to monitor streamflow during the historic flooding taking place in Fargo, ND. This information provides critical information used to estimate flood dangers and helps protect lives and property.

USGS scientist talk to ABC World News Tonight reporter Eric Huoung about streamflow measurements during historic flooding in Fargo, ND.

USGS scientists break up ice and prepare equpiment to conduct streamflow measurements during historic flooding in Fargo, ND.

USGS scientists break up ice and prepare equpiment to conduct streamflow measurements during historic flooding in Fargo, ND.

USGS scientists prepare the boat before taking measurements during historical flooding in Fargo, ND.

USGS public affairs specialist, Jennifer LaVista prepares to shoot video of USGS efforts during historic flooding in Fargo, ND. The videos can be viewed at http://www.usgs.gov/homepage/science_features/flooding_march09.asp

USGS scientists Chris Laveau and Joel Galloway are interviewed about historic flooding in Fargo, ND.

2009 flood aftermath near Antelope Creek, Carson, North Dakota.

The Ice Piston with Ash, Redoubt Volcano, Alaska. This photo was taken on March 21, 2009, the day before Redoubt first erupted. The glacier that filled the crater was collapsing because of the increase in ground temperature underneath.

2009 flooding on the Knife River near Hazen, North Dakota.

USGS Scientist-in-Charge (SIC) of the Alaska Volcano Observatory, Tom Murray, gets first-hand look at the heightened activity of Redoubt volcano.

A volunteer helps HVO staff complete maintenance on a monitoring site on Kīlauea Volcano.

Research geologist Michelle Coombs monitors information on Redoubt during a restless period.

USGS scientist Heather Bleick prepares documentation equipment for a flight over Redoubt Volcano.

The village of Naiyobi, about 5 miles from the summit of Ol Doinyo Lengai, has had ashfall from recent eruptions that have impacted residents and their cattle.

Scientists from the Volcano Disaster Assistance Program team and the Geological Survey of Tanzania take a sample of the most recent ashfall from Ol Doinyo Lengai as the volcano looms in the background.

The village of Naiyobi, about 8 km (5 mi) from the summit of Ol Doinyo Lengai Volcano.

USGS Scientist David Sherrod and a guide complete digging for ash samples from the most recent eruption of Ol Doinyo Lengai Volcano in Tanzania.