Public Lecture Series

Multimedia

A listing of our past lecture series events.

Filter Total Items: 188
March 4, 2004

PubTalk 3/2004 — Mapping the American West

Clarence King and the 40th Parallel Survey

By James G. Moore, Geologist

  • After completing a geology degree at Yale and coming West in a wagon train, Clarence King worked with the California Geological Survey and was in the field party that discovered Mount Whitney
  • King led the United States Geological Exploration of the
February 26, 2004

PubTalk 2/2004 — Life and Death of Hawaiian Coral Reefs

New Studies Track the Life Cycle of Maui's Changing Reefs

By Michael E. Field, Marine Geologist & Curt D. Storlazzi, Coastal Oceanographer

  • How are coral reefs changing, and why is it a concern?
  • Agents of change on Maui's reefs have both natural and human causes
  • Coral eggs and sperm released during
January 22, 2004

PubTalk 1/2004 — Roving Around Mars

Adventures in Exploring the Red Planet

By Devon M. Burr & Michael H. Carr, Planetary Geologists

 

  • January 2004 will see two NASA rovers land on Mars to analyze rock and soil and measure environmental conditions
  • By January, a European Mars probe and a Japanese orbiter should also be studying the planet's
December 11, 2003

PubTalk 12/2003 — What's Happening to Alaska's Glaciers?

Their Dynamic Response to Changing Climate and Other Factors

by Bruce F. Molnia, Research Geologist 

 

  • Although the oceans contain more than 95% of the Earth.s water, glaciers hold 75% of the fresh water
  • If all the world's glaciers melted, sea level would rise more than 250 feet
  • Of Alaska.s 2,000 or so
Attribution: Region 11: Alaska
November 20, 2003

PubTalk 11/2003 — Clean Power from the Earth's Heat

The Present and Future of Geothermal Energy

by John Sass, Geophysicist

 

  • Since ancient times, people have sought out geothermal hot springs for bathing, cooking, and supposed healing effects
  • In Iceland, nearly half the electrical power and all space heating are derived from geothermal sources
  • For Iceland
September 25, 2003

PubTalk 9/2003 — Beneath Crater Lake

An underwater volcanic landscape tells a complex tale

by Charles R. Bacon, Geologist
Visualizations presented by David W. Ramsey, Geologist

 

  • Crater Lake, a jewel of the National Park system, partly fills a caldera basin formed during a giant volcanic eruption 7,700 years ago
  • Deepest of all U.S.
August 28, 2003

PubTalk 8/2003 — Human Footprints on the Web of Life

Biodiversity and Increasing Population and Development in California

by Robert N.Fisher, Research Zoologist

  • Why does California lead the country in endangered species--why are so many reptiles and amphibians in decline?
  • Learn about the California lizard that keeps Lyme disease in check and the butterflies that prevented
July 31, 2003

PubTalk 7/2003 — Molten Paradise

Video Presentation and Discussion

Featuring the award-winning USGS video Molten Paradise-Kilaea Volcano by Stephen Wessells, introduced and discussed by Robert I. Tilling, Volcanologist

See-

  • The dramatic nonstop Pu'u O'o eruption, now entering its 21st year
  • Rivers of glowing lava flow through underground
June 26, 2003

PubTalk 6/2003 — The Quakes, They Are A-comin'

New Estimates of Earthquake Hazard and Risk Across the Bay Region

By Michael Blanpied, Geophysicist

 

  • A USGS-led Working Group has used new ideas about Bay Area faults and earthquakes to revise the probabilities for future quakes
  • The slow movement of the Earth.s plates builds up stress that is relieved in violent
May 22, 2003

PubTalk 5/2003 — The National Map—Coming to Your Neighborhood!

Integrating and Sharing Geographic Information in the Public Domain

By Ken Osborn, Cartographer 

 

  • Begun by the USGS in 2001, The National Map is a 10-year vision for a seamless, constantly updated, national geospatial database
  • This vast public database will be continually updated through local
April 24, 2003

PubTalk 4/2003 — Gaia's Breath

Methane and the Future of Natural Gas

By Keith A. Kvenvolden, Geochemist 

 

  • The Earth--or "Gaia," the Earth Goddess of Ancient Greece-- exhales more than 1 million tons of methane each day
  • Mud volcanoes around the world emit about 5 million tons of methane each year as part of Gaia's breath
  • Energy
January 30, 2003

PubTalk 1/2003 — Exploring Mars

Recent Discoveries and Upcoming Missions

By Michael H. Carr, Planetary Geologist

 

  • Thirty years of Mars exploration have revealed a spectacularly diverse planet
  • Dry river valleys and layered sediments suggest a warm, wet past
  • Huge floods may have created transient oceans
  • Towering volcanoes, deep