2019 Tribute to Donna Jurdy at her retirement ceremony

2017 Talk to Geology Club: Dealing with the media – Some things I learned from ~30 years experience that I wish I’d known when I started.

Click here to watch the short presention at the 2012 UNAVCO science workshop: “Bad assumptions or bad luck: Tohoku’s embarrassing lessons for earthquake hazard mapping”

Keynote lecture from the 2011 ESF conference on Extreme Geohazards: “Why natural hazard maps (forecasts, warnings, etc) often fail and what to do about it.” Click here to watch lecture or click here for powerpoint.

2011 Geoprisms meeting presentation:
2011 Mineral, Virginia earthquake illustrates the seismicity of a passive-aggressive continental margin (ppt)

2011 GSA meeting presentation in 40th anniversary of the Geophysics Division session:
Bad maps or bad luck: Tohoku’s embarassing lessons for earthquake hazard mapping (ppt) discussing why earthquake hazard maps often fail and what to do about it

2011 GSA meeting talk:
Learning from failure: new insights into continental rifting from North America’s failed Mid-Continent Rift (ppt)

2011 Conference on mathematics in the geosciences presentation:
Predicting earthquakes and earthquake hazards: why so little success?

2011 Illinois Earthscope teachers’ workshop:
Lecture series and activities about New Madrid earthquake science and hazards

2011 lecture :
Uncertainties in New Madrid hazard estimates: Is New Madrid really as dangerous as California? (ppt)

2010 European Geosciences Union Stephan Mueller Medal lecture:
Migrating earthquakes and faults switching on and off: a complex system view of midcontinent earthquakes: Part 1, Part 2 (pdf)

2009 Geological Society of America George Woollard Award lecture:
New view of New Madrid: little motion, complex faults, small hazard (pdf)

2010 S. T. Crough memorial lecture at Purdue University:
Disaster deferred: how new science is changing our view of earthquakes in the midwest: Part 1Part 2 (pdf)

2010 Academy of Europe Lecture: Why seismologists can’t predict earthquakes (pdf)

2006 IRIS/SSA Distinguished Lecture: Giant Earthquakes: Why, Where, When, and What We Can Do Part 1Part 2 (pdf)


Lectures (large pdf) for IRIS summer intern orientation:

Seismology and earth structure

Earthquake hazards and prediction: Part 1Part 2

Earthquakes and tectonics

Seismogram of the day: records for the 2010 Haiti earthquake

Seismogram of the day: normal mode record for the 2004 Sumatra earthquake

Class exercise: the May 2008 Sichuan earthquake

Sichuan exercise power point


Lectures for China Earthquake Authority delegation:

Using earthquake science to predict earthquake hazards and reduce earthquake risks: using what we know and recognizing what we don’t (powerpoints)

Why is predicting earthquake hazards so hard?

How does the challenge differ between plate boundaries, plate boundary zones, and plate interiors?

How well can we predict earthquake hazards?

Developing cost-effective earthquake hazard mitigation policy


Two day series of lectures “Studying neotectonics with plate motion, seismological & GPS data” for the Netherlands Research Centre for Integrated Solid Earth Science.

These are large power point files, largely covering material in chapters 4 and 5 of Stein and Wysession.

Introduction: idea of integrated studies

Plate tectonics, relative plate motions

Absolute plate motions and hotspots

Earthquakes: fundamental concepts & focal mechanisms

Earthquakes: waveform modeling, moment tensors & source parameters

Tectonic geodesy

Earthquake recurrence & hazards

Spreading centers & driving forces: Part 1, Part 2

Subduction zones & driving forces

Plate boundary zones & changes in plate motions:  Part 1Part 2

Plate interiors: science, hazard & policy questions

Faulting & deformation in the lithosphere

A presentation with examples about using space geodetic data in teaching about earthquakes, tectonics, & geologic hazards: Using space geodetic data to teach about tectonics, earthquakes, and hazards (ppt)

A presentation with examples about issues in teaching introductory geohysics: Teaching introductory geophysics: what our students don’t know, need to, and what we can do (ppt)

A presentation for the IRIS annual meeting summarizing some issues about the supply and demand for PhD earth scientists and the role of education & outreach efforts in seismology: Chasing the 100: the student pipeline, future of seismology, and what E&O might do (ppt)

A presentation for beginning geophysics class summarizing some initial information about the 12/26/04 Sumatra trench earthquake and Indian Ocean tsunami

A presentation discussing the ultra-long period slip in the 12/26/04 Sumatra trench earthquake inferred from normal modes and implications for the Indian Ocean tsunami