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Dive into the research topics where Paul Friberg is active.

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Featured researches published by Paul Friberg.


Eos, Transactions American Geophysical Union | 1989

Did mud contribute to freeway collapse

Susan E. Hough; Paul Friberg; R. W. Busby; Edward F. Field; Klaus H. Jacob; Roger D. Borcherdt

At least 41 people were killed October 17 when the upper tier of the Nimitz Freeway in Oakland, Calif., collapsed during the Ms = 7.1 Loma Prieta earthquake. Seismologists studying aftershocks concluded that soil conditions and resulting ground motion amplification were important in the failure of the structure and should be considered in the reconstruction of the highway. Structural design weaknesses in the two-tiered freeway, known as the Cypress structure, had been identified before the tragedy. The seismologists, from Lamont Doherty Geological Observatory in Palisades, N.Y., and the U.S. Geological Survey in Menlo Park, Calif., found that the collapsed section was built on fill over Bay mud. A southern section of the Cypress structure built on alluvium of Quaternary age did not collapse (see Figure 1).


Bulletin of the Seismological Society of America | 1991

Observations of Loma Prieta aftershocks from a dense array in Sunnyvale, California

Arthur Frankel; Susan E. Hough; Paul Friberg; R. W. Busby


Seismological Research Letters | 2014

Characterization of an Earthquake Sequence Triggered by Hydraulic Fracturing in Harrison County, Ohio

Paul Friberg; Glenda M. Besana‐Ostman; Ilya G. Dricker


Nature | 1990

Sediment-induced amplification and the collapse of the Nimitz Freeway

Susan E. Hough; Paul Friberg; R. Busby; E. F. Field; Klaus H. Jacob; R. D. Borcherdt


Geophysical Research Letters | 1989

The 11/25/88, M=6 Saguenay Earthquake near Chicoutimi, Quebec: Evidence for anisotropic wave propagation in northeastern North America

S. E. Hough; Klaus H. Jacob; Paul Friberg


Seismological Research Letters | 2002

The 20 April 2002 Mw 5.0 Earthquake near Au Sable Forks, Adirondacks, New York: A First Glance at a New Sequence

Leonardo Seeber; Won-Young Kim; John G. Armbruster; Wen-Xuan Du; Arthur L. Lerner-Lam; Paul Friberg


Eos, Transactions American Geophysical Union | 1991

Sharing data over Internet with the Lamont view-server system

William Menke; Paul Friberg; Arthur L. Lerner-Lam; David Simpson; Robert Bookbinder; Garry D. Karner


Seismological Research Letters | 1989

Ground Motion From A Magnitude 3.5 Earthquake Near Massena, New York: Evidence For Poor Resolution of Corner Frequency For Small Events

S. E. Hough; Klaus H. Jacob; R. Busby; Paul Friberg


Archive | 2010

Earthworm in the 21st century

Paul Friberg; Stefan Lisowski; Ilya G. Dricker; Sidney Hellman


49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition | 2011

Demonstration of Operational Real-Time Space Weather Prototypes for Aviation Radiation and Magnetospheric Sub-Storms

W. Kent Tobiska; Dave Bouwer; Rian Shelley; Chris Mertens; Brad Gersey; William Atwell; Jeffrey J. Love; Jennifer Grannon; Paul Friberg; Vince Eccles; Robert W. Schunk; Devrie intriligator; William Burke; Patricia Hagan; Michael Hesse; M. Kuznetsova

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Susan E. Hough

United States Geological Survey

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Jeffrey J. Love

United States Geological Survey

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R. W. Busby

Incorporated Research Institutions For Seismology

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Arthur Frankel

United States Geological Survey

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Dave Bouwer

National Oceanic and Atmospheric Administration

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