Unified Interior Regions

Region 10: California-Great Basin

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The California-Great Basin includes California, Nevada, and part of Oregon. The Regional Office, headquartered in Sacramento, provides Center oversight and support, facilitates internal and external collaborations, and works to further USGS strategic science directions. Our scientists do a broad array of research and technical assistance throughout the U.S. and across the globe.

News

Date published: June 5, 2020

Critical Minerals in the EEZ

For centuries, people have crossed oceans in search of valuable minerals. In recent times, though, increasing attention has been paid to the oceans themselves for their mineral potential, especially rock formations on the seafloor. 

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Date published: March 26, 2019
Status: Active

Defining Native Ranges of U.S. Inland Fishes

Understanding the native versus non-native range of a species can provide useful information about dispersal, population distribution patterns, and human mediated movement across hydrologic barriers. The USGS Nonindigenous Aquatic Species (NAS) Program is working with partners to define native ranges of inland fishes in the United States to help identify which species should be included in the...

Date published: March 5, 2019
Status: Active

The Nonindigenous Aquatic Species Flood and Storm Tracker (FaST)

Storm-related flooding can lead to the potential spread of nonindigenous (or non-native) aquatic species into waterways they have not been seen in before. The USGS Nonindigenous Aquatic Species program has developed an innovative mapping tool to help natural resource managers with post-storm nonindigenous aquatic species detection and assessment efforts. 

Date published: April 11, 2016
Status: Active

Nonindigenous Aquatic Species (NAS) Program

Welcome to the Nonindigenous Aquatic Species (NAS) information resource for the United States Geological Survey. Located at Gainesville, Florida, this site has been established as a central repository for spatially referenced biogeographic accounts of introduced aquatic species. The program provides scientific reports, online/realtime queries, spatial data sets, distribution maps, and general...

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Date published: June 9, 2020

SPARROW Mappers for the 2012 SPARROW Models for the Pacific region

SPARROW mappers are interactive tools that allow users to explore river streamflow and nutrient and sediment loads and yields and the importance of different sources of contaminants in a particular river basin. Data can be visualized using maps and interactive graphs and tables, and rankings can be shown by state, major watershed, hydrologic unit (HUC), and catchment.

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Publication Thumbnail
Year Published: 2019

Slough evolution and legacy mercury remobilization induced by wetland restoration in South San Francisco Bay

Coastal wetlands have a long history of degradation and destruction due to human development. Now recognized as one of the most productive ecosystems in the world, substantial efforts are being made to restore this critical habitat. While wetland restoration efforts are generally viewed as beneficial in terms of providing wildlife habitat and...

Foxgrover, Amy C.; Marvin-DiPasquale, Mark C.; Jaffe, Bruce E.; Fregoso, Theresa A.
Attribution: Patuxent Wildlife Research Center, Ecosystems, Wildlife Program, Region 1: North Atlantic-Appalachian, United States of America, Western Ecological Research Center, Ecosystems, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, Geosciences and Environmental Change Science Center, Land Change Science Program, Region 7: Upper Colorado Basin, United States of America, Volcano Hazards Program Office, Upper Midwest Water Science Center, United States of America, Laboratory for Infectious Disease and the Environment, Fort Collins Science Center, Ecosystems, Fort Collins Science Center, Ecosystems, Fort Collins Science Center, Ecosystems, Geosciences and Environmental Change Science Center, Region 7: Upper Colorado Basin, Dakota Water Science Center, Alaska Science Center, Region 11: Alaska, Cooperative Research Units, Northern Rocky Mountain Science Center (NOROCK), Ecosystems, Washington Water Science Center, Water Resources, Water Resources, Water, Ohio-Kentucky-Indiana Water Science Center, Ohio, United States of America, Leetown Science Center, Ecosystems, Region 1: North Atlantic-Appalachian, Astrogeology Science Center, Natural Hazards, , California Water Science Center, Water Resources, Florence Bascom Geoscience Center, Land Change Science Program, Region 1: North Atlantic-Appalachian, United States of America, Oceans, Pacific Coastal and Marine Science Center, Natural Hazards, Coastal and Marine Hazards and Resources Program, California, United States of America, Central Midwest Water Science Center, Oregon Water Science Center, Water Resources, Water Resources, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Water Resources, Pacific Coastal and Marine Science Center, Fort Collins Science Center, Ecosystems, St. Petersburg Coastal and Marine Science Center, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Central Midwest Water Science Center, Southwest Biological Science Center, Ecosystems, Land Change Science Program, United States of America, Ecosystems, United States of America, Wildland Fire Science, Environmental Health, Wyoming-Montana Water Science Center, Water Resources, Toxic Substances Hydrology Program, United States of America, Great Lakes Science Center, Ecosystems, New York Water Science Center, Water Resources, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, Southwest Biological Science Center, Ecosystems, Water Resources, Biology and Ecosystems, National Wildlife Health Center, Ecosystems, Fish & Wildlife Disease, United States of America, Great Lakes Science Center, Ecosystems, Geology, Minerals, Energy, and Geophysics Science Center, Environmental Health, Northern Rocky Mountain Science Center (NOROCK), Environmental Health, Contaminant Biology Program, United States of America, Great Lakes Restoration Initiative, , United States of America, Water Resources, Toxic Substances Hydrology Program, United States of America, Minerals, Eastern Mineral and Environmental Resources Science Center, Mineral Resources Program, Region 1: North Atlantic-Appalachian, United States of America, Earth Mapping Resources Initiative (Earth MRI), Natural Hazards, Pacific Coastal and Marine Science Center, Natural Hazards, Landslide Hazards Program, California, United States of America, Big Sur Landslide, Leetown Science Center, Ecosystems, Region 1: North Atlantic-Appalachian, New Mexico Water Science Center, Water Resources, Region 7: Upper Colorado Basin, United States of America, Wildland Fire Science, Minerals, Geology, Geophysics, and Geochemistry Science Center, Mineral Resources Program, Region 7: Upper Colorado Basin, Canada, Washington Water Science Center, Water Resources, Pacific Coastal and Marine Science Center, Western Ecological Research Center, Ecosystems, Western Ecological Research Center, Ecosystems, Leetown Science Center, Ecosystems, Region 1: North Atlantic-Appalachian, Fort Collins Science Center, Ecosystems, Land Change Science Program, United States of America, Florence Bascom Geoscience Center, Region 1: North Atlantic-Appalachian, Colorado Water Science Center, Water Resources, Toxic Substances Hydrology Program, Region 7: Upper Colorado Basin, United States of America, Leetown Science Center, Ecosystems, Region 1: North Atlantic-Appalachian, Alaska Science Center, Ecosystems, Region 11: Alaska, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, South Atlantic Water Science Center (SAWSC), Water Resources, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), New York Water Science Center, Water Resources, United States of America, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Western Fisheries Research Center, Ecosystems, Fisheries Program, Great Lakes Science Center, Ecosystems, United States of America, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Pacific Coastal and Marine Science Center, Land Change Science Program, United States of America, Southwest Biological Science Center, Ecosystems, United States of America, Wildland Fire Science, Fort Collins Science Center, Ecosystems, Florence Bascom Geoscience Center, Water Resources, Region 1: North Atlantic-Appalachian, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Northern Prairie Wildlife Research Center, Ecosystems, Western Fisheries Research Center, Ecosystems, Fisheries Program, Central Midwest Water Science Center, Water Resources, Dakota Water Science Center, Western Geographic Science Center, United States of America, Reducing Risk, Natural Hazards, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, United States of America, Upper Midwest Water Science Center, Eastern Energy Resources Science Center, Energy Resources Program, Cooperative Research Units, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, United States of America, Gulf of Mexico, Great Lakes Science Center, Ecosystems, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Geosciences and Environmental Change Science Center, Land Change Science Program, Region 7: Upper Colorado Basin, United States of America, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Western Ecological Research Center, Ecosystems, Southwest Biological Science Center, Ecosystems, Western Ecological Research Center, Ecosystems, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Natural Hazards, Woods Hole Coastal and Marine Science Center, Natural Hazards, Coastal and Marine Hazards and Resources Program, Region 1: North Atlantic-Appalachian, United States of America, Water, New England Water Science Center, Water Resources, Region 4: Mississippi Basin, Vermont, United States of America, St. Petersburg Coastal and Marine Science Center, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), United States of America, Gulf of Mexico, Earth Resources Observation and Science (EROS) Center, Ecosystems, Sage-grouse & Sagebrush Ecosystem, United States of America, Wildland Fire Science, Astrogeology Science Center, Natural Hazards, Astrogeology Science Center, Natural Hazards, , Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Southwest Biological Science Center, Ecosystems, Upper Midwest Water Science Center, Water Resources, Region 1: North Atlantic-Appalachian, Southwest Biological Science Center, Ecosystems, Western Fisheries Research Center, Ecosystems, Fisheries Program, Western Fisheries Research Center, Ecosystems, Fisheries Program, Fort Collins Science Center, Ecosystems, Environmental Health, Upper Midwest Environmental Sciences Center, Environmental Health, Contaminant Biology Program, United States of America, Fort Collins Science Center, Ecosystems, Western Geographic Science Center, United States of America, Wildland Fire Science, Geosciences and Environmental Change Science Center, Land Change Science Program, Region 7: Upper Colorado Basin, United States of America, Wildland Fire Science, Kansas Water Science Center, Water Resources, Environmental Health, New Jersey Water Science Center, Water Resources, Toxic Substances Hydrology Program, Region 1: North Atlantic-Appalachian, United States of America, California Water Science Center, Water Resources, Geosciences and Environmental Change Science Center, Land Change Science Program, Region 1: North Atlantic-Appalachian, United States of America, Water Resources, National Water Quality Program, Western Ecological Research Center, Ecosystems, Energy Resources Program, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Upper Midwest Water Science Center, Southwest Biological Science Center, Ecosystems, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, Upper Midwest Water Science Center, , Volcano Hazards Program Office, Alaska Science Center, Ecosystems, Region 11: Alaska, California Water Science Center, Water Resources, Northern Prairie Wildlife Research Center, Ecosystems, Climate Adaptation Science Centers, Climate Adaptation Science Centers, Wetland and Aquatic Research Center, Ecosystems, Land Change Science Program, Region 4: Mississippi Basin, United States of America, , Volcano Hazards Program Office, Oregon Water Science Center, Water Resources, Southwest Biological Science Center, Ecosystems, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Fort Collins Science Center, Water Resources, Cooperative Research Units, Region 7: Upper Colorado Basin, United States of America, Cooperative Research Units, Cooperative Research Units, Geosciences and Environmental Change Science Center, Region 7: Upper Colorado Basin, Planetary Science, Geology, Minerals, Energy, and Geophysics Science Center, United States of America, Spectroscopy Lab, Core Science Systems, National Geospatial Program, United States of America, National Geospatial Technical Operations Center, Water Resources, Southeast Climate Adaptation Science Center, Land Resources, Upper Midwest Water Science Center, Water Resources, Region 6: Arkansas-Rio Grande-Texas-Gulf, Natural Hazards, Western Geographic Science Center, Natural Hazards, Earthquake Hazards Program, New Zealand, Geology, Minerals, Energy, and Geophysics Science Center, Patuxent Wildlife Research Center, Ecosystems, Status and Trends Program, Region 1: North Atlantic-Appalachian, United States of America, Climate Adaptation Science Centers, Climate Adaptation Science Centers, National Minerals Information Center, Region 1: North Atlantic-Appalachian, Northern Rocky Mountain Science Center (NOROCK), Ecosystems, Wetland and Aquatic Research Center, Ecosystems, Land Change Science Program, Region 4: Mississippi Basin, United States of America, Water Resources, , Volcano Hazards Program Office, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, Energy & Wildlife, United States of America, Natural Hazards, Geologic Hazards Science Center, Natural Hazards, Earthquake Hazards Program, Region 7: Upper Colorado Basin, China, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, Cooperative Research Units, Leetown Science Center, Ecosystems, Cooperative Research Units, Region 1: North Atlantic-Appalachian, Volcano Hazards Program Office, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Western Fisheries Research Center, Ecosystems, Fisheries Program, Energy, Florence Bascom Geoscience Center, Energy Resources Program, Region 1: North Atlantic-Appalachian, Virginia, United States of America, Great Lakes Science Center, Ecosystems, Alaska Science Center, Ecosystems, Region 11: Alaska, Alaska Science Center, Ecosystems, Region 11: Alaska, Land Change Science Program, Land Change Science Program, Lower Mississippi-Gulf Water Science Center, Region 4: Mississippi Basin, Pacific Coastal and Marine Science Center, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, Southwest Biological Science Center, Ecosystems, Geology, Geophysics, and Geochemistry Science Center, Region 7: Upper Colorado Basin, Southwest Biological Science Center, Ecosystems, , Volcano Hazards Program Office, Idaho Water Science Center, Water Resources, Astrogeology Science Center, Natural Hazards, , Fort Collins Science Center, Ecosystems, Land Change Science Program, United States of America, Upper Midwest Environmental Sciences Center, Ecosystems, Ohio-Kentucky-Indiana Water Science Center, Western Ecological Research Center, Ecosystems, Mapping, Remote Sensing, and Geospatial Data, Earth Resources Observation and Science (EROS) Center, Earth Resources Observation and Science Center, United States of America, Landsat Missions, Northern Prairie Wildlife Research Center, Ecosystems, Water Resources, United States of America, Wildland Fire Science, Patuxent Wildlife Research Center, Ecosystems, Wildlife Program, Region 1: North Atlantic-Appalachian, United States of America, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, United States of America, Wildland Fire Science, Upper Midwest Water Science Center, Mapping, Remote Sensing, and Geospatial Data, Woods Hole Coastal and Marine Science Center, Natural Hazards, Coastal and Marine Hazards and Resources Program, Region 1: North Atlantic-Appalachian, Massachusetts, United States of America, Patuxent Wildlife Research Center, Water Resources, Contaminant Biology Program, Region 1: North Atlantic-Appalachian, United States of America, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, Alaska Science Center, Ecosystems, Region 11: Alaska, Western Geographic Science Center, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, Southeast Climate Adaptation Science Center, Land Resources, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Geology, Minerals, Energy, and Geophysics Science Center, United States of America, Earth Mapping Resources Initiative (Earth MRI), California Water Science Center, Water Resources, , Volcano Hazards Program Office, Great Lakes Science Center, Ecosystems, Cooperative Research Units, Colorado Water Science Center, Water Resources, Region 7: Upper Colorado Basin, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, Pennsylvania Water Science Center, Water Resources, Region 1: North Atlantic-Appalachian, Geosciences and Environmental Change Science Center, Region 7: Upper Colorado Basin, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, Environmental Health, New Jersey Water Science Center, Water Resources, Toxic Substances Hydrology Program, Region 1: North Atlantic-Appalachian, United States of America, Fort Collins Science Center, Ecosystems, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Pacific Coastal and Marine Science Center, Western Ecological Research Center, Ecosystems, Western Ecological Research Center, Ecosystems, Natural Hazards, Pacific Coastal and Marine Science Center, Natural Hazards, Toxic Substances Hydrology Program, Region 10: California-Great Basin, California, United States of America

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Very crusty rock with tan outer layer, gray core, and bright yellow center. Man's booted foot is in background.
June 5, 2020

For centuries, people have crossed oceans in search of valuable minerals. In recent times, though, increasing attention has been paid to the oceans themselves for their mineral potential, especially rock formations on the seafloor. 

M6.5 Nevada Graphic
May 15, 2020

A magnitude 6.5 earthquake struck near Tonopah, Nevada, near the California-Nevada border and about 120 miles southeast of Carson City, early this morning on May 15, 2020, at 4:03 am local time (11:03:27 UTC).

A USGS field team measures spring floodwaters at Chesapeake bay's largest tributary.
May 12, 2020

U.S. Geological Survey field crews are measuring flooding across the country as spring weather is in full swing. Warming temperatures, increased precipitation and snowmelt have caused moderate to major flooding in the upper Midwest, East Coast, Central Plains and the Southeast portions of the country.