Unified Interior Regions

California

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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View looking down from a bridge and onto a boat's stern and cabin top as it passes under the bridge.
October 30, 2014

View of top of R/V Parke Snavely

View looks down from a bridge as USGS research vessel R/V Parke Snavely passes beneath.

USGS all-terrain vehicle is equipped with GPS and collects beach topography on Rio Del Mar State Beach, Aptos, CA
October 21, 2014

USGS ATV Collecting Topographic Data

Photograph shows a USGS scientist navigating an all-terrain vehicle equipped with GPS, collecting topographic data on Rio Del Mar State Beach in Aptos, California. Gathering this type of information helps USGS scientists to document the changes in beach and nearshore morphology (or form and structure), caused by seasonal variations and storms.

Image: Coastal Surveys of Santa Cruz, California
October 19, 2014

Coastal Surveys of Santa Cruz, California

A USGS technician surveys the seafloor bathymetry using a personal watercraft outfitted with global positioning systems (GPS) and echo sounders.

Location: Santa Cruz, California (near Wharf).

Image: Coastal Survey Vessel in Use at Santa Cruz, California
October 19, 2014

Coastal Survey Vessel in Use at Santa Cruz, California

Photograph of a USGS technician on a USGS coastal survey vessel that maps seafloor bathymetry using global positioning systems (GPS) and echo sounders.

Location:Santa Cruz, California (near Wharf).

Image: Coastal Surveys of Santa Cruz, California
October 19, 2014

Coastal Surveys of Santa Cruz, California

A USGS technician surveys the seafloor bathymetry using a personal watercraft outfitted with global positioning systems (GPS) and echo sounders.

Location: Santa Cruz, California (near Steamers Lane).

Image: Coastal Surveys of Santa Cruz, California
October 19, 2014

Coastal Surveys of Santa Cruz, California

A USGS technician surveys the seafloor bathymetry using a personal watercraft outfitted with global positioning systems (GPS) and echo sounders.

Location:Santa Cruz, California (near Santa Cruz Boardwalk).

October 16, 2014

Chapter 2: Uranium Miner's Daughter

USGS video series highlighting the individuals who make up the U.S. Geological Survey. We are USGS, these are our stories. This episode focuses on USGS research engineer Tanya Gallegos.

A man guides a data collection instrument, that is strapped to two large pontoons, out into water from the stern of a boat.
October 6, 2014

Chirp sub-bottom profiler deployment

USGS scientist Jackson Currie deploys a chirp sub-bottom profiler (in the center) from research vessel Parke Snavely. The chirp is attached to pontoons to keep the equipment from running aground in the shallow waters of San Pablo Bay, California.

boat docks sitting on dry lake bed due to severe drought
September 30, 2014

California Drought, Huntington Lake (August, 2014)

Extremely low water levels at Huntington Lake, CA in August, 2014 during the severe drought California faced from 2012 -2016.  Located in the Sierra Nevada mountain range, Huntington Lake is a reservoir operated by the U.S. Bureau of Reclamation.

Long Valley Caldera Earthquakes greater than M1.0 from 09/22 to 09/...
September 28, 2014

Long Valley Caldera Quakes greater than M1.0 from 09/22 to 09/28/2015

Long Valley Caldera Earthquakes greater than M1.0 from 09/22 to 09/28/2014.

Long Valley Caldera earthquake counts from September 24 to Septembe...
September 26, 2014

Long Valley Caldera earthquake counts from Sep. 24 to Sep. 26, 2015

Long Valley Caldera earthquake counts from September 24 to September 26, 2014 swarm.

September 25, 2014

PubTalk 8/2014 — Ground Shaking in '89 Loma Prieta Quake: 25 yrs later

by Brad Aagaard, USGS Research Geophysicist

 

  • What factors controlled the variability in ground shaking in the earthquake?
  • Will the ground shaking in future earthquakes display similar patterns?
  • Hear about the advances made in recording ground shaking over the past 25 years.
  • Learn how USGS uses this information
Filter Total Items: 992
USGS
May 31, 2006

 

Two Members of the U.S. House of Representatives will join California´s Director of Conservation, State Geologist and USGS Western Region Director to kick off the Open House at the USGS Science Center at Menlo Park.

USGS science for a changing world logo
May 26, 2006

Gold-Panning to Earthquake Simulations...Satellite Imagery to Tree Rings...Science for the whole Family

Entertainment and education-packed days await visitors of all ages at the U.S. Geological Survey's (USGS) Open House at their Menlo Park Science Center on Saturday, June 3 and Sunday, June 4. The Open House will be from 10:00 a.m. until 4:00 p.m. Saturday and Sunday and admission is free.

USGS
May 26, 2006

Entertainment and education-packed days await visitors of all ages at the U.S. Geological Survey's (USGS) Open House at their Menlo Park Science Center on Saturday, June 3 and Sunday, June 4. The Open House will be from 10:00 a.m. until 4:00 p.m. Saturday and Sunday and admission is free of charge.

USGS
May 24, 2006

The U.S. Geological Survey (USGS) will celebrate a number of important partnerships during their Open House, to be held at their Menlo Park Science Center on Saturday, June 3 and Sunday, June 4 from 10:00 a.m. to 4:00 p.m. The USGS Menlo Park Science Center is located at 345 Middlefield Road in Menlo Park and admission is free of charge.

USGS science for a changing world logo
May 24, 2006

The U.S. Geological Survey (USGS) will celebrate a number of important partnerships during their Open House, to be held at their Menlo Park Science Center on Saturday, June 3 and Sunday, June 4 from 10:00 a.m. to 4:00 p.m. The USGS Menlo Park Science Center is located at 345 Middlefield Road in Menlo Park and admission is free of charge.

USGS
May 8, 2006

The line between information technology and its science applications is becoming blurry. Opportunities such as Geoinformatics 2006 are key to linking the scientific community together to provide a common cyberinfrastructure for data management and accessibility for a broad spectrum of natural science data.

USGS
May 4, 2006

Reston, VA – The U.S. Geological Survey (USGS) announced today the re-establishment of the National Earthquake Prediction Evaluation Council (NEPEC) and the appointment of 12 scientists to the panel. The Council, which is conducting its initial meeting May 4-5 in Menlo Park, Calif., will advise the director of the USGS on earthquake prediction, forecasting and hazard assessment.

USGS science for a changing world logo
May 4, 2006

One of every four fishes in streams of 12 western states is non-native, according to a U.S. Geological Survey (USGS) study published in November 2005 in the North American Journal of Fisheries Management. 

USGS
May 4, 2006

One of every four fishes in streams of 12 western states is non-native, according to a U.S. Geological Survey (USGS) study published in November 2005 in the North American Journal of Fisheries Management. And, researchers found, it´s not just that there are a lot of non-native fishes but they are also widespread...

USGS
April 28, 2006

The 1906 Centennial Alliance and the U.S. Geological Survey (USGS) will host "The Hayward Fault Exposed! — An Interpretive Viewing and Educational Exhibit" along the Hayward Fault from Saturday April 29 through June at Central Park in Fremont, Calif., near the intersection of Sailway Drive and Paseo Padre Parkway.

USGS science for a changing world logo
April 28, 2006

 

The 1906 Centennial Alliance and the U.S. Geological Survey (USGS) will host "The Hayward Fault Exposed! — An Interpretive Viewing and Educational Exhibit" along the Hayward Fault from Saturday April 29 through June at Central Park in Fremont, Calif., near the intersection of Sailway Drive and Paseo Padre Parkway.

USGS
April 26, 2006

Media will be given the opportunity to get "up close and personal" with the Hayward Fault on Friday, April 28, climbing down with U.S. Geological Survey (USGS) scientists for a preview look at an excavation exposing the fault. The excavation is part of an interpretive exhibit in Fremont´s Central Park.