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.

States L2 Landing Page Tabs

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October 21, 2005

PubTalk 10/2005 — A Crack in the Edge of the World

America and the Great California Earthquake of 1906

by Simon Winchester

 

  • The international bestselling author of The Professor and the Madman and Kra katoa vividly brings to life the 1906 San Francisco Earthquake that leveled a city symbolic of America's relentless western expansion. Simon Winchester
September 29, 2005

PubTalk 9/200 — Toxic Mercury in Aquatic Ecosystems

Why Quality Trumps Quantity

by Mark Marvin-DiPasquale, Microbial Ecologist

  • Different mercury sources generate different forms of mercury with different environmental consequences
  • Learn how mercury is transported and transformed in air and water, and how it ultimately accumulates as toxic methylmercury in wildlife and
August 25, 2005

PubTalk — A Delicate Balance

Salt Ponds, Wetland Restoration, and Wildlife in San Francisco Bay

by A. Keith Miles and John Y. Takekawa, Wildlife Biologists 

  • Nearly 15,000 acres of salt ponds were purchased in 2003 for restoration by a partners hip of Federal, State, and non-profit organizations
  • How important are the salt ponds for migration and
June 30, 2005

PubTalk — Tsunamis

Lessons and Questions from the Indian Ocean Disaster

By Eric L. Geist, geophysicist, Bruce E. Jaffe, oceanographer, and Brian F. Atwater, geologist

  • What do computer animations reveal about transoceanic tsunamis?
  • What varied marks of its force and height did the December 26 tsunami leave in the coa stal environment?
June 14, 2005

PubTalk — Deep Freeze

The Impact of Science on U.S. Climate-Change Policy

By Judy Layzer, MIT Political Scientist, and Herman Karl, USGS Earth Scientist

  • Why have science and scientiests had so little impact on U.S. climate-change policy?
  • Hear about the present implications of past societal collapses resulting from climate change
  • Can
May 26, 2005

PubTalk — Sonoran Desert

Fragile Land of Extremes
A video presentation and discussion

Research Ecologists Cecil Schwalbe and Todd Esque will introduce the 2003 USGS video Sonoran Desert: Fragile Land of Extremes, present an update on recent research, and answer your questions. 

  • Learn about the fantastic biodiversity in North America's
April 28, 2005

PubTalk — Earthquakes at the USGS

Blowing the Lid off Seismic Science for 40 Years

Ross Stein, representing the USGS Earthquake Hazards Team 

The Parkfield earthquake of 1966 launched a torrent of research at the USGS in Menlo Park. With the San Andreas Fault as a backyard lab and global earthquakes as a guide, the USGS has changed the landscape of earthquake science

Photograph shows eroding cliff in Isla Vista, California, with parts of houses hanging over edge.
April 28, 2005

Homes along the edge of the coast in Isla Vista, California

Homes along the edge of the coast in Isla Vista, California, Santa Barbara County, face a short lifespan because of eroding bluffs that support them.

March 31, 2005

PubTalk — Commotions in the Oceans

USGS Shipboard Research Sparked Scientific Advances

By William R. Normark, and
David W. Scholl, Marine Geologists

  • Alaskan work from the Survey's M/V Eider in the 1950's led to visualizing how great earthquakes and tsunamis originate along trenches
  • In the 1970's, researchers discovered deep-sea "black
February 24, 2005

PubTalk — When Rocks Fall and the Land Slides

Hear why California makes an ideal environment for landslides North face

By Gerald F. Wieczorek, Geological Engineer, and
Raymond C. Wilson, Landslide Geologist

  • Hear why California makes an ideal environment for landslides North face
  • Learn about rock falls, debris flows, and other landslides Rocks fall
January 29, 2005

PubTalk 1/2005 — Deciphering an Estuarine Ecosystem

35 Years of San Francisco Bay Studies

By John Conomos, Scientist Emeritus

 

  • USGS research in the Bay system began in the 1960s with a search for underwater earthquake faults
  • In the 1970s, the research team expanded to cover studies of water properties and quality, water mixing and flow, and estuarine ecology
Moutain Diablo in the early morning
December 31, 2004

Mt. Diablo from Suisun Marsh

Picturesque view of Mt.Diablo early in the morning from Suisun Marsh.

Attribution:
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USGS
October 15, 1998

Because of a lack of Steller sea lions and harbor seals, large numbers of sea otters are being eaten by hungry killer whales in western Alaska waters, according to findings in the October 16 issue of the journal Science.

USGS
September 4, 1998

The history and geology of California’s highest peaks in the Sierra Nevada Range are the subjects of the September 24 free public lecture sponsored by the U.S. Geological Survey. The lecture will begin at 7 p.m. in the USGS Auditorium in Building 3 on the USGS campus at 345 Middlefield Road in Menlo Park.

USGS
August 17, 1998

Scientist Showcase Technologies at San Diego Meeting
 

USGS
August 5, 1998

The Earth Science Information Center (ESIC), which is the map sales outlet for the U.S. Geological Survey in Menlo Park, will be closed from August 31 through September 18, to facilitate moving the operation into a newly remodeled building on the USGS campus at 345 Middlefield Road in Menlo Park.

USGS
August 3, 1998

The race against extinction for turtles, tortoises and terrapins is the subject for the August 27 free public lecture sponsored by the U.S. Geological Survey. The lecture will begin at 7 p.m. in the Menlo Park City Council Chambers, at 701 Laurel St., Menlo Park.

USGS
July 28, 1998

The exotic species of plant and animal life that have invaded San Francisco Bay are the topic of this Thursday’s free public lecture, sponsored by the U.S. Geological Survey in Menlo Park.

USGS
July 1, 1998

Life at the Bottom of San Francisco Bay is a world of emigrants versus the natives, as exotic species replace and react to native species and alter the biotic balance of the Bay ‘s food chain. The history and effects of the exotic invaders is the subject of the U.S. Geological Survey ‘s free public lecture, Thursday, July 30, 7 p.m., at the Menlo Park City Council Chambers, 701 Laurel St., Menlo P

USGS
June 30, 1998

The fabled waters of Lake Tahoe may soon become clearer as U.S. Geological Survey (USGS) scientists make plans to map the mysterious floor of the lake, using the ocean exploration technology known as "multi- beam bathymetry." 

USGS
June 22, 1998

Gasoline-related compounds were found in water samples from Lake Tahoe by U.S. Geological Survey scientists during the July through September 1997 boating season. MTBE (methyl tert -butyl ether), a gasoline additive, was found in non-toxic concentrations throughout the lake, as deep as 90 feet. 

USGS
June 10, 1998

Visitors to the U.S. Geological Survey’s exhibit booth at the Monterey Bay Oceans Fair will be able to "feel the bay," by squishing different types of San Francisco Bay muds through their fingers, view microscopic critters that live in those muds, and view maps of the seafloor, at the fair, from noon to 8 p.m., Friday, June 12, 1998, in Monterey, Calif.

USGS
June 5, 1998

Residents of the San Jose area who would like to become partners with the USGS in monitoring earthquake activity in the Santa Clara Valley this summer can become part of that project by offering space in their backyards to the USGS.

USGS
June 5, 1998

The Lake Tahoe Data Clearinghouse, a virtual, web-based project, providing everything from digital maps of the lake and surrounding basin to notes from recent presidential forum meetings, is now on line at http://blt.wr.usgs.gov/