Unified Interior Regions

Arizona

The Southwest Region includes California, Nevada, and Arizona. The Regional Office, headquartered in Sacramento, provides Center oversight and support, facilitates internal and external collaborations, and works to further USGS strategic science directions.

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August 10, 2011

Post-fire Flash Flood in Coronado National Memorial, Arizona

Video footage begins with dry streambed, and within the first 10 seconds a very dark, roiling, flow comes downstream toward the viewer. The rest of the video is footage of the flow going past, and into a culvert under a bridge. The video was recorded at the U.S. Geological Survey streamgage site near the Coronado National Memorial visitor center, in southern Arizona. The

Image: Landsat Photo: Wallow Fire, Arizona
June 7, 2011

Landsat Photo: Wallow Fire, Arizona

This Landsat imagery was taken on June 7, 2011. Path/Row: 35/36 and 37 Lat/Long: 33.820/-109.330

Image: Drilling in Cinder Lake, Arizona
June 3, 2011

Drilling in Cinder Lake, Arizona

Boreholes being drilled at Cinder Lake as part of a U.S. Geological Survey study to determine the feature's floodwater storage capacity. Cinder Lake, which is located on the Coconino National Forest, has been used to store runoff from areas affected by the 2010 Schultz Fire outside of Flagstaff, Arizona.

Attribution: Natural Hazards
May 5, 2011

Electronic Tape Calibration Procedure

A training video discussing how to calibrate the electronic tape.

May 5, 2011

Microgravity Measurement for Groundwater Analysis

A video discussing the Gravity Meters used at the USGS Arizona Water Science Center.

Image: Dust Storm Near Winslow, Arizona, in April 2011
April 1, 2011

Dust Storm Near Winslow, Arizona, in April 2011

Dust carried by the wind has far-reaching effects, including the loss of nutrients and water-holding capacity from landscapes, and the speeding up of the melting of snow, which affects the timing and magnitude of runoff into streams and rivers.

Attribution: Land Resources
Image: Dust Storm Near Winslow, Arizona, in April 2011
April 1, 2011

Dust Storm Near Winslow, Arizona, in April 2011

Dust carried by the wind has far-reaching effects, including the loss of nutrients and water-holding capacity from landscapes, and the speeding up of the melting of snow, which affects the timing and magnitude of runoff into streams and rivers.

Attribution: Land Resources
Image: Dust Storm Near Winslow, Arizona, in April 2011
April 1, 2011

Dust Storm Near Winslow, Arizona, in April 2011

Dust carried by the wind has far-reaching effects, including the loss of nutrients and water-holding capacity from landscapes, and the speeding up of the melting of snow, which affects the timing and magnitude of runoff into streams and rivers.

Attribution: Land Resources
Image: Dust Storm near Winslow, Arizona, in April  2011
April 1, 2011

Dust Storm near Winslow, Arizona, in April 2011

Dust carried by the wind has far-reaching effects, including the loss of nutrients and water-holding capacity from landscapes, and the speeding up of the melting of snow, which affects the timing and magnitude of runoff into streams and rivers.

Attribution: Water Resources
March 10, 2011

Seepage Investigation: Clear Creek and Little Colorado River

Stream gaging occurring in Winslow: Clear Creek and Little Colorado River.

September 8, 2010

Grand Falls

Flooding taking place at Grand falls.

Image: Smoke From Schultz Pass Forest Fire, Flagstaff, Arizona, June 20, 2010
June 20, 2010

Smoke From Schultz Pass Forest Fire, Flagstaff, Arizona, June 20, 2010

Panorama (180 degree field of view) photograph of smoke rising from the Schultz Pass fire near Flagstaff, Arizona, at 1:34 p.m. on its day of ignition, June 20, 2010.  Over the following 10 days, the fire burned an estimated 15,075 acres, or more than 23 square miles of northern Arizona forest, and cost more than $8.6 million to fight. The fire was started by a campfire

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Attribution: Natural Hazards
Filter Total Items: 204
USGS
March 13, 2008

A report published by the U.S. Geological Survey (USGS) contains a regional map and associated database that inventory 121 locations of reported natural asbestos and fibrous amphibole occurrences in the Southwestern United States, including Arizona, Nevada, and Utah.

USGS
February 29, 2008

Salt Lake City - The Bureau of Reclamation today released a final environmental assessment (FEA) and a Finding of No Significant Impact (FONSI) that authorizes the initiation of an early-March 2008 high-flow test and fall steady flow experiment from Glen Canyon Dam downstream through the Grand Canyon

USGS
February 25, 2008

The Department of the Interior has proposed an experiment using high flows from Glen Canyon Dam to study and improve Colorado River resources in Grand Canyon National Park.

USGS
January 30, 2008

Where in Arizona are ground-water levels falling? Where are they stable or rising? How much has the water table changed since large-scale pumping has occurred? 

USGS
January 17, 2008

(Flagstaff, Ariz.) An experiment using high flows from Glen Canyon Dam to study and improve Colorado River resources in Grand Canyon National Park has been proposed by the Department of the Interior.

USGS
September 24, 2007

The U.S. Geological Survey (USGS) released a report today describing salinity levels in streams and ground water in parts of Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming. The report concludes that although salinity varies widely throughout the region, levels have generally decreased in many streams during the past two decades.

USGS
March 22, 2007

The U.S. Geological Survey hosted a two-day scientific workshop that drew state and federal government scientists, and university researchers together to discuss interdisciplinary research along the US-Mexico border. 

USGS
October 20, 2006

The U.S. Geological Survey (USGS) has recently released a new fact sheet/report describing investigations that have taken place in Lake Mead, Nevada and Arizona, on synthetic organic compounds. 

USGS science for a changing world logo
October 20, 2006

The U.S. Geological Survey (USGS) has recently released a new fact sheet/report describing investigations that have taken place in Lake Mead, Nevada and Arizona, on synthetic organic compounds. These compounds potentially can cause endocrine disruption in common carp.

USGS science for a changing world logo
August 6, 2006

Recently collected data for endangered humpback chub (Gila cypha) in Grand Canyon suggest that the population of adult fish (age 4+) may be stabilizing after more than a decade of decline, according to biologists with the U.S. Geological Survey's (USGS) Southwest Biological Science Center. 

USGS
August 3, 2006

Recently collected data for endangered humpback chub (Gila cypha) in Grand Canyon suggest that the population of adult fish (age 4+) may be stabilizing after more than a decade of decline, according to biologists with the U.S. Geological Survey's (USGS) Southwest Biological Science Center.

USGS
June 5, 2006

Today, June 5, 2006, the U.S. Geological Survey (USGS) announces the recipients of the third year of the Mineral Resources External Research Program, a grant and/or cooperative agreement opportunity designed to support minerals research.