Public Lecture Series


A listing of our past lecture series events.

Filter Total Items: 187
January 26, 2012

PubTalk 1/2012 — Lassen Volcanic National Park

--a wonderland of volcanoes and thermal features

By Patrick Muffler, Geologist Emeritus


  • Lassen Peak, the southernmost active volcano in the Cascade Range,explosively erupted in 1915, devastating nearby areas and raining volcanic ash as far away as 200 miles to the east
  • Lassen National Park, in addition to
December 8, 2011

PubTalk 12/2011 — Tracking Ongoing Kilauea Eruptions

--fissures...fountains...and flows

by Matthew Patrick, USGS, Hawaiian Volcano Observatory


  • Spectacular Kilauea eruptions have produced a summit lava lake, roiling for several years, and a flank eruption recently sending lava flows downslope to threaten residential areas
  • How do USGS scientists monitor and track
November 17, 2011

PubTalk 11/2011 — Colorado River High-Flow Experiments

- a story of Grand Canyon geology, water, and biology

by Jack Schmidt & David Rubin


  • New insights from recent Glen Canyon Dam high-flow experiments on the Colorado River
  • Are these high flows doing more than building large sand bars in Grand Canyon National Park?
  • The challenge of adaptively managing
November 3, 2011

PubTalk 11/2011 — USGS Science for a Changing Bay Area

-- a special USGS public lecture celebrating the inaugural Bay Area Science Festival

by Patrick Barnard and William Ellsworth


  • USGS scientists will be speaking about current Bay Area research, including recent discoveries beneath Bay waters and the latest on earthquake research. The scientists will be presenting
October 27, 2011

PubTalk 10/2011 — Migratory Connectivity in a Changing Climate

by Susan Haig, Wildlife Ecologist


  • Scientists are studying global migratory animal movements throughout their annual cycles to improve conservation efforts
  • Changing climate conditions have accentuated this need, as species movements and their ranges are fluctuating every year
  • Technology being used to study the
September 22, 2011

PubTalk 9/2011 — Tracking the Nation's Groundwater Reserves

--issues facing current and future water supplies

by William Alley, USGS Office of Groundwater


  • Ground water is among the Nation's most important natural resources, providing half of our drinking water as well as being essential to agriculture and industry, and the health of ecosystems throughout the country
August 25, 2011

PubTalk 8/2011 — Through the Lens of Time

Repeat Photography in an Era of Global Change

by Robert Webb, Hydrologist

  • Repeat photography remains an essential and cost-effective technique for scientists and researchers working to track and study changing environmental conditions
  • Scientists worldwide are exploring methods to apply this technique in various
July 28, 2011

PubTalk 7/2011 — How is San Francisco Bay Doing?

discoveries from 4 decades of studies

by Jim Cloern, Senior Research Biologist


  • San Francisco Bay is in a continual state of change.
  • Drivers of change include:
    • residiual effects of the Gold Mining era
    • the 1972 Clean Water Act
    • urbanization of the landscape
    • transoceanic shipping
June 30, 2011

PubTalk 6/2011 — Exploring California's Amazing Seafloor

--the visionary California Seafloor Mapping Program

by Sam Johnson, USGS Pacific Coastal & Marine Science Center 


May 26, 2011

PubTalk 5/2011 — The Future of Rare Earth Elements

--Will these high-tech industry elements continue in short supply?

by Keith Long, USGS Mineral Resource Analyst


  • Rare earth elements provide critical material for flat-panel display screens, cell phones, electric cars, windmills, etc.
  • Although relatively abundant in nature, deposits of rare earth elements that
April 28, 2011

PubTalk 4/2011 — "Predictable Earthquakes"

--updating earthquake prediction--fact vs. fiction

by Susan Hough, USGS Seismologist 


  • Although scientists were optimistic about earthquake prediction in the 1970s, reliable short-term prediction has remained an elusive goal
  • What have seismologists learned from recent earthquakes in Haiti, Chile, and Japan?
March 31, 2011

PubTalk 3/2011 — Unraveling the Mystery of Avian Navigation

New research indicates that birds are listening to the landscape to find their way

By Jon Hagstrum, Research Geophysicist

  • For nearly 40 years, biologists have been unable to agree on how birds find their way over great distances during homing or migrational flights
  • Do birds use their olfactory senses, the Earth's