Public Lecture Series

Multimedia

A listing of our past lecture series events.

Filter Total Items: 187
February 23, 2017

PubTalk 2/2017 — Geology up-close

  • How does a scanning electron microscope (SEM) work?
  • What does USGS study with the SEM?
    • Earthquakes
    • Volcanoes
    • Mineral and energy resources
    • Soil and aquifer processes

By Leslie Hayden, USGS Geologist, Diane Moore, USGS Geologist, Kathryn Watts, USGS Research Geologist, Marjorie Schulz, USGS Research

January 26, 2017

PubTalk 1/2017 — Unusual sources of tsunamis

A presentation on "Unusual Sources of Tsunamis From Krakatoa to Monterey Bay" by Eric Geist, USGS Research Geophysicist

- Not all tsunamis are generated by earthquakes.
- Tsunamis can be caused by volcanoes, landslides, and even atmospheric disturbances
- Data from tide gauges can help unravel the complex physics of these sources

Videographers:

Attribution: Natural Hazards
November 17, 2016

PubTalk 11/2016 — Ecological Stressors

Ecological Stressors: It's a Lot of 'WERC'
"There's is no place like California" by A. Keith Miles, Center Director, USGS Western Ecological Research Center

Highlights of the science of the USGS Western Ecological Research Center: 

  • Wildlife, drought, sea level rise
  • Endangered species, species of concern
  • Alternate energy,
October 27, 2016

PubTalk 10/2016 — Rockfalls in California's Sierra Nevada

Rock falls in California’s Sierra Nevada - Pursuing explanations for exfoliation and seemingly spontaneous fracture of rock
 

November 17, 2015

PubTalk 11/2015 — Waterbirds in a Changing Landscape

Evaluating Avian Response to the West Coast's Largest Tidal Marsh Restoration Project

by Susan De La Cruz, USGS Research Wildlife Biologist

  • The urbanized San Francisco Bay is a critical wintering and stop-over area for more than a million migratory annually that rely on a mosaic of Bay habitats, including former salt ponds.
October 22, 2015

PubTalk 10/2015 — Fire-climate Relationships in the Sierra Nevada

Surprises relevant to future fire regime forecasts

by Jon E. Keeley, USGS Research Scientist

  • Historical variation in annual fire activity is tied to climate only in the montane forests.
  • Fires are largely insensitive to winter temperatures but significantly affected by spring and summer temperatures.
  • Future
September 24, 2015

PubTalk 9/2015 — Coral Reefs, Climate Change, and Atoll Sustainability

Will Micronesians become the U.S.'s first climate change refugees?

by Curt Storlazzi, USGS Research Geologist and Oceanographer

  • Sea level is rising, threatening low-lying atoll islands throughout the western Pacific Ocean
  • Climate change is degrading the coral reefs that atoll islands have developed upon, decreasing
August 27, 2015

PubTalk 8/2015 — Yes, Humans Really Are Causing Earthquakes

by Justin Rubinstein, USGS Research Geophysicist

  • The earthquake rate has dramatically increased in the central US in the last 6 years.
  • Oklahoma had more M≥3 earthquakes in 2014 than California.
  • This increase is due to earthquake activity induced by oil and gas operations.
  • Most earthquakes are not caused by hydraulic
July 30, 2015

PubTalk 7/2015 — The Giant Cascadia Earthquake of January 26, 1700

Detective Stories from North America and Japan

by Brian Atwater, USGS Seattle

  • A tsunami from western North America entered Japanese written history in Jan 1700
  • Decades of basic research on both sides of the Pacific led to this discovery
  • The endings underpin public-safety measures in the United States and
May 21, 2015

PubTalk 5/2015 — Breaking Badly:Forecasting California Earthquakes

by Morgan Page, USGS Research Geophysicist

  • Scientists cannot currently predict the precise time, location, and size of future damaging earthquakes.
  • Historical records of earthquakes in California date back over 150 years.
  • Geologists have dug trenches to extend the known history on some faults back to around 1,000 years before
March 26, 2015

PubTalk 3/2015 — The Environmental Legacy of California's Gold Rush

by Andrea Foster, USGS Research Geologist & Christopher Kim, Associate Professor, Chapman University

  • Why are arsenic and mercury associated with California's gold mines?
  • What types of arsenic and mercury contamination can be directly related to historic mining?
  • How are geochemists studying the distribution and
February 26, 2015

PubTalk 2/2015 — Undamming Washington's Elwha River

by Amy East USGS Research Geologist

  • Hear about river response to the largest dam removal in history.
  • Causing disturbance as a means of restoration: how well does it work?
  • Will legendary salmon runs return?