Articles

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Earthquakes in the Pamplona Zone, Yakutat Block, South Central Alaska, Journal of Geophysical Research (1997)

The Pamplona zone is a region of complex deformation and moderate seismicity located within the...

 

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A High-Resolution Seismic Reflection and Gravity Survey of Quaternary Deformation Across the Wasatch Fault, Utah, Journal of Geophysical Research (1993)

High-resolution reflection seismic and detailed gravity data were acquired across an exposure of the Wasatch...

 

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A Versatile Shotgun Source for Engineering and Groundwater Seismic Surveys, Geophysics (1993)

We describe an electrical seismic gun that is capable of firing 8-gauge blank black powder...

 

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An Electrically Detonated Downhole Seismic Gun (with James C. Parker and Martin E. Dougherty), Expanded Abstracts with Biographies (SEG 61st Annual International Meeting and Exposition) (1991)

An electrically detonated downhole seismic gun (EDG) that will fire blank 8-guage shells underwater has...

 

High-Resolution Seismic Imaging and Gravity Analysis of Deformation Across the Wasatch Fault, Abstracts of the U.S. Geological Survey, Central Region, Open-File Report OF 91-0582 (1991)

High resolution seismic and gravity data were acquired at a trench site across a Quaternary...

 

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Microearthquakes in the Middle Butte/East Butte Area, Eastern Snake River Plain, Idaho (with R. J. Vincent and N. J. Anderson), Bulletin of the Seismological Society of America (1990)

Numerous compilations of instrumental and non-instrumental seismicity demonstrate that the eastern Snake River Plain (ESRP)...

 

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A Computer-Based System for Interactive Processing of Earthquake Seismograms Recorded on Microfilm, Bulletin of the Seismological Society of America (1985)

"We briefly describe a computer-based system for interactive processing of earthquake seismograms recorded on up...

 

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Eyewitness Account of Normal Surface Faulting (with C. W. Meissner and K. D. Smith), Bulletin of the Seismological Society of America (1984)

Normal surface faulting associated with the Borah Peak, Idaho earthquake (preliminary Ms 7.3) of 28...

 

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Contemporary Vertical Surface Displacements in Yellowstone National Park, Journal of Geophysical Research (1982)

Relative vertical displacements and average relative vertical velocities have been determined for bench marks located...

 

Contributions to Books

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Chapter 7: Near-Surface Seismology: Wave Propagation, Near-Surface Geophysics (2005)

"This chapter serves as an introduction to seismic wave propagation for those waves commonly observed...

 

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Chapter 8: Near-Surface Seismology: Surface-Based Methods, Near-Surface Geophysics (2005)

"This chapter provides a survey of those near-surface seismic methods that are based on the...

 

Presentations

Body Waveform Modeling Studies of Earthquakes Occurring in the Prince William Sound Region, Alaska in the Ten Years Following the 1964 Great Alaskan Earthquake, Eos, Transactions of the American Geophysical Union (1995 Fall Meeting), American Geophysical Union (1995)

We present initial results of body waveform modeling studies of magnitude 5.2 to 6.5 earthquakes...

 

Predictions of Fine Scale Seismic Structure of the Upper Oceanic Crust, Eos, Transactions of the American Geophysical Union (1993 Fall Meeting), American Geophysical Union (1993)

Seismic velocity in the upper oceanic crust depends largely on the fracture and porosity characteristics...

 

Focal Depth Estimates from Long-Period P-waveform Modeling of Selected Alaskan Teleseisms, Eos, Transactions of the American Geophysical Union (1982 Fall Meeting), American Geophysical Union (1982)

Modeling of long-period far-field P-waveforms from 5.5

 

Three-Dimensional Crust-Upper Mantle Velocity Structure of Southern Alaska, Eos, Transactions of the American Geophysical Union (1982 Fall Meeting), American Geophysical Union (1982)

The USGS Southern Alaska seismograph network spans an area in which a significant tectonic transition...