Public Lecture Series


A listing of our past lecture series events.

Filter Total Items: 187
February 23, 2006

PubTalk 2/2006 — Science and Natural Resources along La Frontera

By Floyd Gray, Geologist

  • Natural systems-water, geology, and wildlife-tend to cross the 1,900- mile-long arbitrary political border between Mexico and the U.S.
  • Rapid population growth on the U.S. side and in Mexican border cities is creating a variety of environmental, ecological, and human health problems
  • The San Pedro River
January 26, 2006

PubTalk 1/2006 — Serving California's Needs


By George J. Saucedo and Keith L. Knudson, Geologists

  • Hear about the rich and productive 125-year history of the California Geological Survey (CGS)
  • Major emphases of CGS work are mapping
December 8, 2005

PubTalk 12/2005 — Frozen in Time

How Ice Cores Are Revealing the Composition and Temperature of Earth's Atmosphere During the Past Million Years

by Todd Hinkley, Geologist


  • Scientifically invaluable ice cores taken from Antarctic and Arctic ice are stored and safe guarded at the U.S. National Ice Core Laboratory, operated by the U.S. Geological Su rvey
November 17, 2005

PubTalk 11/2005 — Shifting Shoals and Shattered Rocks


by John Chin and Florence Wong, Geologists


  • San Francisco Bay is one of the world's finest natural harbors and a major center of maritime trade
  • All ships visiting bay ports are funneled through the central bay
  • Bedrock knobs that rise from the central
October 27, 2005

PubTalk 10/2005 – Earthquake Storms

The Very Long Reach of Very Large Earthquakes

by Susan Hough, Seismologist


  • How did the 1992 Landers quake in the remote Mojave Desert change scientists' thinking about earthquake sequences?
  • What is the explanation for "aftershocks" of the 1906 San Francisco earthquake reported in Arizona?
  • How do large
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