Research Interests
Earthquake hazard assessment, geology of the
Pacific Northwest, deformation above active
faults, reflection seismology. |
Related links
USGS
Pacific
Northwest
Website
Pacific Northwest
Seismic Network
|
Education
Cornell University
Geology
B.A., 1980
Virginia Tech
Geophysics
Ph.D., 1986
Positions
Held
Post-doctoral researcher,
Cornell University, Ithaca, NY
1986-88
Research Associate, Cornell University, Ithaca,
NY
1988-91
Adjunct Faculty,
Geophysics Department, Colorado School Mines
1991-1993
Research Geophysicist, US
Geological Survey, Golden, CO
1991-1994
Research Geophysicist, U.S. Geological Survey,
Seattle,
WA
1994-present
Affiliate, School of Oceanography, Univ. of WA,
Seattle,
WA
1994-2004
Visiting Professor, Earthquake Res. Inst., Univ.
of
Tokyo
Summer 2000
Affiliate Prof., Earth & Space
Sciences, Univ. of WA, Seattle
2004-present
Affiliate Professor, School of Oceanography,
Univ. of
WA
2004-present
|
Recent/Current Research
Active faults in
the U.S. Pacific Northwest
Location, kinematics and earthquake potential of
the Seattle Fault (with Kathy Troost, GeopMapNW)
Structure of the Saddle Mountain fault, eastern
Washington State (with Brian Sherrod, USGS,
Seattle)
The western extension of the Seattle fault zone:
Puget Sound to the Olympic Peninsula (With Lee
Liberty and Andrew Lamb, Boise State)
Paleoseismology
of Blind Thrust faults, Southen California.
With James Dolan (USC) and John Shaw (Harvard)
Megathrust
Splay faults, Alaska subduction zone
With Lee Liberty (Boise State) and Peter
Haeussler (USGS, Alaska)
Kinematics of the New Madrid Seismic Zone.
With Robert Williams, Bill Stephenson and Jack
Odum (USGS, Goden)
Site response
and shallow velocities, Pacific Northwest.
Professional
Organization
Activities
IRIS PASSCAL Standing
Committee, 1994-1998 and 2007-2010
IRIS Future
Instrumentation Committee, 1997-2001
Co-chair, IRIS
Seismic Sources Committee, 2009-2010
Writing
group, PASSCAL portion of IRIS 3-year
proposal, Spring 2010
American Geophysical
Union, 1984-present
Associate Editor, Journal of
Geophysical Research (1991-1995).
Seismological Society
of America, 1998-present
Awards Committee member, 2010-present
Chair,
Best
Student
Presentation
committee,
2010
and 2011
Northwest Geological
Society, 1994-present
Geological
Society
of America, 1988-present
Panel &
Workshop Activities
USGS Performance Panels
Member,
Branch of Geologic Risk Assessment,
Promotions Panel, 1992
Chair,
Branch of Geologic Risk Assessment,
Promotions Panel, 1993
Member,
Branch of Earthquake and Landslide Hazards,
Promotions Panel, 1995
Member,
Western Earthquake Hazards Team, Promotions
Panel, 1999
Chair, Western Earthquake
Hazards Team, Promotions Panel, 2000
Review Panels
USGS,
National Earthquake Hazards Reduction
Program (NEHRP) external proposal review
panels:
Member, Pacific
Northwest review panels, 1995, 1996
Member, Central
U.S. review panels, 1999, 2005
Convener, Pacific
Northwest review panels, 2006-present
USGS
Venture Capital Proposals, Review Panel,
2005.
Member, Faculty
Search Committee, Reflection Seismology
position, Colorado School of Mines, 1992
|
Teaching
(University of Washington)
ESS467 /
Ocean412: Seismic Exploration - next offered
winter 2014. (syllabus)
|
Publications
In Press or Preparation
Pratt,
T.L., Williams, R.A., Odum, J.K., and
Stephenson, R.A., 2012, Origin of the
Blytheville Arch, and Long-term Displacement on
the New Madrid Seismic Zone, Central U.S.,
Geological Society of America Special Paper
"Recent Advances in North American
Paleoseismology and Neotectonics east of the
Rockies and Use of the Data in Risk Assessment
and Policy", edited by Randy Cox, Oliver Boyd,
Jacques Locat and Tish Tuttle, in press.
Lamb, A.P., Liberty, L.M., Blakely, R.J. and Pratt,
T.L., The western extension of the
Seattle fault zone: Puget Sound to the Olympic
Peninsula, in press Geosphere.
Pratt,
T.L., Splay-fault origin for the Yakima
fold-and-thrust belt, Washington State,
submitted to G-Cubed.
Pratt,
T.L., and Troost, K.G., Location,
kinematics and earthquake potential of the
Seattle Fault, for submittal to Geosphere.
Hubbard, J., Shaw, J.H., Dolan, J., Pratt,
T.L., Rockwell, T.K., and McAuliffe,
L., Structure and seismic hazard of the Ventura
Avenue Anticline and Ventura fault, California:
Prospect for large, multi-segment ruptures in
the western Transvere Ranges, in preparation.
Pacific
Northwest and Alaska Earthquake Hazards
Clement,
C.R.,
Pratt, T.L., Holmes, M.L., and Sherrod,
B.L., 2010, High-Resolution
Seismic Reflection Imaging of Growth Folding and
Shallow Faults beneath the Southern Puget
Lowland, Washington State, Bulletin
Seismological Society America, v. 100;
no. 4; p. 1710-1723. (pdf)
Barnett, E.A., Haugerud,
R.A., Sherrod, B.L., Weaver, C.S., Pratt,
T.L., and Blakely, R.J., 2010,
Preliminary atlas of active shallow tectonic
deformation in the Puget Lowland, Washington, U.S. Geological
Survey Open_File Report 2010-1149. (http://pubs.usgs.gov/of/2010/1149/)
Liberty,
L.M.,
Pratt, T.L., Lyle, M., and Madin, I.P.,
2009, Seismic Reflection Imaging of Complex
Structures beneath Upper Klamath Lake, Oregon:
Neotectonic Implications, in Oldow, J.S. and
Cashman, P.H., eds, Late Cenozoic Structure
and Evolution of the Great Basin–Sierra Nevada
Transition: Geological Society of America
Special Paper 447, p. 71-82. (http://specialpapers.gsapubs.org/content/447/71.abstract)
Liberty,
L.M.
and Pratt, T.L., 2008, Structure of
the Eastern Seattle Fault Zone, Washington
State: New Insights from Seismic Reflection
Data, Bulletin of the Seismological
Society of America, v. 98; no. 4; p.
1681-1695; DOI: 10.1785/0120070145. (pdf)
Liberty, L.M. and Pratt, T.L.,
2006, Recent high-resolution seismic
reflection studies of active faults in the
Puget Lowland, Proceedings of
the 2006 Symposium on the Application of
Geophysics to Engineering and
Environmental Problems (SAGEEP),
p. 254-259. (pdf)
Pratt, T.L., Weaver,
C.S., Brocher, T.M., Parsons, T., Fisher, M.A.,
Creager, K.C., Crosson, R.S., Hyndman, R.D.,
Spence, G., Trehu, A.M., Miller, K.C., and ten
Brink, U.S., 2002, Understanding the
seismotectonics of the Cascadia subduction zone:
Overview and recent seismic work, in Fujinawa,
Y., and Toshida, A., editors, Seismotectonics
in Convergent Plate Boundary,
Terra Scientific Publishing, Tokyo, p. 25-36. (pdf)
Creager, K., Crosson, R., Pratt, T.,
and Weaver, C., 2001, The Nisqually Earthquake
of February 28, 2001,
Preliminary Reconnaissance Report: Seismological
Aspects, Earthquake Engineering Research
Institute, p. 2-5.
Pratt, T.L., Odum, J., Stephenson, W., Williams,
R., Dadisman, S., Holmes, M., and Haug, B.,
2001, Late Pleistocene and Holocene tectonics
of the Portland Basin, Oregon and Washington,
from high-resolution seismic profiling, Bulletin
of the Seismological Society of America,
v. 91, p. 637-650. (pdf)
Haeussler, P., Bruhn, R.L., and Pratt,
T.L., 2000, Quaternary Deformation in
Upper Cook Inlet Basin, Alaska, Geological
Society of America Bulletin, v.
112, p. 1414-1429. (http://bulletin.geoscienceworld.org/cgi/content/abstract/112/9/1414)
Brocher, T.M., Pratt, T.L., Weaver,
C.S., Frankel, A.D., Trehu, A.M., Snelson,
C.M., Miller, K.C., Harder, S.H., tenBrink,
U.S., Creager, K.C., Crosson, R.S., and
Steele, W., 2000, Urban seismic experiments
investigate the Seattle fault and Seattle
basin, EOS Transactions American
Geophysical Union, v. 81, p.
545, 551-552.
Fisher, M.A., Brocher, T.M., Hyndman,
R.D., Trehu, A.M., Weaver, C.S., Creager,
K.C., Crosson, R.S., Parsons, T., Cooper,
A.K., Mosher, D., Spence, G., Zelt, B.C.,
Hammer, P.T., tenBrink, U., Pratt, T.L.,
Miller, K.C., Childs, J.R., Cochrane, G.R.,
Chopra, S., and Walia, R., 1999, Seismic
survey probes urban earthquake hazards in
Pacific Northwest, EOS
Transactions American Geophysical Union,
v. 80, no. 2, p. 13-17.
Fisher, M.A., Brocher, T.M., Gibbons, H.,
Weaver, C.S., Parsons, T., and Pratt, T.L.,
1999, Scientists use sound waves to probe
earthquake hazards in the Puget Sound area, U.
S. Geological Survey Information Sheet. (pdf)
Pratt, T.L.,
Johnson, S.Y., Potter, C.J., Stephenson, W.J.,
and Finn, C., 1997, Seismic Reflection Images
beneath Puget Sound, Western Washington State: The Puget Lowland Thrust Sheet
hypothesis, Journal of
Geophysical Research, v. 102,
no. B12, p. 27,469-27,489. (pdf)
Pratt, T.L.,
1995, The Seattle Fault, Gaea,
Association for Women Geoscientists,
v. XVIII, No. 3&4, May-August, 1995 (also
printed in Association for Women
Geoscientists, Puget Sound Chapter Newsletter,
Spring 1995).
Ground Shaking in the Puget Sound
Region
Snelson,
C.M.,
Brocher, T.M., Miller, K.C., Pratt, T.L.
and Tréhu,
A.M., 2007, Seismic Amplification Within the
Seattle Basin, Washington State: Insights from
SHIPS Seismic Tomography Experiments, Bulletin of the
Seismological Society of America, v. 97; no. 5; p.
1432-1448; DOI: 10.1785/0120050204. (pdf)
Pratt, T.L., 2006, Basin
effects and ground shaking in the Puget
Lowland, Washington State, USA, Bulletin of
the Earthquake Research Institute
81, 283-289. (pdf)
Li, Q., Wilcock, W.S.D., Pratt,
T.L., Snelson, C.M., and Brocher, T.M.,
2006, Seismic attenuation structure of the
Seattle basin, Washington State, from
explosive-source refraction data, Bulletin of
the Seismological Society of America,
v. 96, p. 553-571. (pdf)
Barberopoulou, A., Qamar,
A., Pratt, T.L., and Steele, W., 2006,
Long-Period Effects of
the Denali Earthquake on Water Bodies in the
Puget Lowland: Observations and Modeling, Bulletin of
the Seismological Society of America, v. 96, p. 519-535. (pdf)
Stephenson, W. J., A.
D. Frankel, J. K. Odum, R. A. Williams, and T.
L. Pratt, 2006, Toward resolving an
earthquake ground motion mystery in west Seattle,
Washington State: Shallow seismic focusing may
cause anomalous chimney damage, Geophys. Res.
Lett., 33, L06316,
doi:10.1029/2005GL025037. (pdf)
Pratt, T.L., and Brocher, T.M.,
2006, Site
response and attenuation in the Puget Lowland,
Washington State, Bulletin of
the Seismological Society of America,
v. 96, p. 536-552. (pdf)
Pratt, T.L., 2006, Site
response, basin effects, and attenuation in
the Puget Lowland, Washington State, USA, Proceedings
of the 2006 Symposium on the Application
of Geophysics to Engineering and
Environmental Problems (SAGEEP),
p. 274-282. (pdf)
Barberopoulou, A., Qamar,
A., Pratt, T.L., Creager, K.C., and
Steele, W.P., 2004, Local amplification of
seismic waves from the Denali Earthquake and
damaging seiches in Lake Union, Seattle,
Washington, Geophysical
Research Letters, v. 31, L03607, doi:
10.1029/2003GL018569. (http://www.agu.org/journals/ABS/2004/2003GL018569.shtml)
Pratt, T.L., Brocher, T.M.,
Weaver, C.S., Miller, K.C., Tréhu, A.M., Creager, K.C., and Crosson,
R.S., 2003, Amplification of seismic waves by
the Seattle basin, Washington State, Bulletin
of the Seismological Society of America,
v. 93, p. 533-545. (pdf)
Southern
California
Pratt, T.L., and Dolan, J. F., 2010,
Comment on “Near-Surface
Location, Geometry, and Velocities of the
Santa Monica Fault Zone, Los
Angeles, California,”
Bulletin of the Seismological
Society of America,
v. 100; no. 5A; p. 2329-2337. (pdf)
Leon,
L. A., J. F. Dolan, J. H. Shaw, and T. L.
Pratt, 2009, Evidence for large Holocene
Earthquakes on the Compton Thrust Fault, Los Angeles, California, Journal of
Geophysical Research, v. 114,
B12305 doi: 10.1029/2008JB00619. (http://www.agu.org/journals/ABS/2009/2008JB006129.shtml)
Leon, L. A., S. A.
Christofferson, J. F. Dolan, J. H. Shaw, and T.
L. Pratt, 2007, Earthquake-by-earthquake
fold growth above the Puente Hills blind
thrust fault, Los Angeles, California: Implications for fold
kinematics and seismic hazard, J. Geophys.
Res., 112, B03S03,
doi:10.1029/2006JB004461. (http://www.agu.org/journals/ABS/2007/2006JB004461.shtml)
Pratt,
T.L., Shaw, J. H., Dolan, J. F.,
Christofferson, S., Williams, R. A., Odum, J.
K., and Plesch, A., 2002, Shallow seismic
imaging of folds above the Puente Hills
blind-thrust fault, Los Angeles, California, Geophysical
Research Letters, v. 29, no. 9,
p. 18-1 – 18-4 (May 8, 2002). (http://www.agu.org/journals/ABS/2002/2001GL014313.shtml)
Shaw, J. H., Plesch, A., Dolan, J.F., Pratt,
T.L., and Fiore, P., 2002, Puente Hills
blind-thrust system, Los Angeles, California,
Bulletin
of the Seismological Society of America, v.
92, p. 2946-2960.
(pdf)
Pratt, T.L.,
Dolan, J.F., Odum, J.K., Stephenson, W.J.,
Williams, R.A., and Templeton, M.E., 1998,
Multi-scale imaging of active fault zones for
hazard assessment: A case study of the Santa
Monica fault zone, Los Angeles, California, Geophysics,
v. 63, no. 2, p. 1-11. (http://geophysics.geoscienceworld.org/cgi/content/abstract/63/2/479)
Dolan, J.F., and Pratt,
T.L., 1997, Shallow expression of the
Santa Monica fault zone, west Los Angeles,
California, from high-resolution seismic
reflection imaging and trenching, Geophysical
Research Letters, v. 24, p.
2051-2054. (http://www.agu.org/journals/ABS/1997/97GL01940.shtml)
Central and Eastern U.S.
Pratt, T.L., 2012,
Kinematics of the New Madrid Seismic zone,
Central United States, based on stepover models,
Geology,
v. 40, p. 371-374. doi:10.1130/G32624.1. http://geology.geoscienceworld.org/cgi/content/full/40/4/371?ijkey=tVl17
Odum, J.K., Stephenson, W.J., Williams, R.A.,
Worley, D.M., Toth, D.J., Spechler, R.M., and
Pratt, T.L., 1999, Land based
high-resolution seismic reflection image of a
karst solution pipe on Fort George Island,
Duval Co., northeastern Florida, Journal of
Environmental and Engineering Geophysics,
v. 4, p. 251-261. (http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JEEGXX000004000004000251000001&idtype=cvips&gifs=yes&ref=no)
Stephenson, W.J., Odum, J.K., Williams,
R.A., Pratt, T.L., Harrison, R.W., and
Hoffman, D., 1999, Deformation and Quaternary
faulting in southeast Missouri across the
Commerce Geophysical Lineament, Bulletin of
the Seismological Society of America,
v. 89, p. 140-155. (pdf)
Odum, J.K., Stephenson, W.J., Williams,
R.A., Toth, D.J., Spechler, R.M., and Pratt,
T.L., 1998, Land-based high-resolution
seismic reflection image of a karst solution
pipe on Fort George island, Duval county
northeastern Florida, Proceedings
Environmental and Engineering Geophysical
Society, Chicago, Illinois,
March 22-26, 1998, p. 285-294.
Odum, J.K., Stephenson, W.J., Shedlock,
K.M., and Pratt, T.L., 1998,
Near-surface structural model for deformation
associated with the February 7, 1812 New
Madrid, Missouri, earthquake, Geological
Society of America Bulletin, v.
110, no. 2, p. 149-162. (http://gsabulletin.gsapubs.org/content/110/2/149.abstract)
Odum, Jack K.,
Stephenson, William J., Williams, Robert A.,
Worley, David M., Toth, David J., Spechler,
Rick M., and Pratt, T. L., 1997,
Land-based high-resolution seismic reflection
surveys of seven sites in Duval and St. Johns
counties, northeastern Florida, U. S.
Geological Survey Open-File Report
97-718. (http://pubs.er.usgs.gov/publication/ofr97718)
Williams, R.A., Odum,
J.K., Pratt, T.L., Shedlock, K.M., and
Stephenson, W.J., 1995, Seismic Surveys for
earthquake hazard reduction in the New Madrid
seismic zone, northeastern Arkansas: The
Leading Edge, v. 14, p. 30-34.
Hildenbrand, T.G.,
Schweig, E.S., Catchings, R.D., Langenheim,
V.E., Mooney, W.D., Pratt, T.L., and
Stanley, W.D., 1995, Crustal geophysics gives
insight into New Madrid Seismic Zone, EOS
Transactions, American Geophysical Union,
v. 76, no. 7, p.65-69.
Pratt, T.L., 1994,
How old is the New Madrid Seismic Zone?: Seismological
Research Letters, v. 65, p.
172-179. (pdf)
Pratt, T.L., Brown, L.D., and
Mondary, J., 1993, AVO and fluids in the deep
crust: A COCORP case study, The Leading
Edge, v. 12, p. 186-192.
Pratt, T.L., Brown, L.D.,
Mondary, J., Christensen, N.I., Danbom, S.,
1993, Crustal structure and deep reflector
properties: Wide-angle shear and
compressional-wave studies of the midcrustal
Surrency Bright Spot beneath southeastern Georgia: Journal
of Geophys. Research, v. 98, p.
17,723-17,735. (http://www.agu.org/journals/ABS/1993/93JB01817.shtml)
Pratt, T.L., Hauser, E.C., and
Nelson, K.D., 1992, Widespread buried
Precambrian layered rocks beneath the U.S.
midcontinent: Evidence for large Proterozoic
depositional basins: American
Association of Petroleum Geologists Bulletin,
v. 76, p. 1384-1401. (http://payperview.datapages.com/data/open/offer.do?target=%2Fbulletns%2F1992-93%2Fdata%2Fpg%2F0076%2F0009%2F0000%2F1384.htm)
Pratt, T.L., Hauser, E.C.,
Hearn, T., and Reston, T., 1991, Reflection
polarity of the midcrustal Surrency bright
spot beneath southeastern Georgia: Testing the fluid
hypothesis: Journal
of Geophysical Research, v. 96,
p. 10,145-10,158. (http://www.agu.org/journals/ABS/1991/91JB00766.shtml)
Pratt, T.L.,
Hauser, E.C., Hearn, T., and Reston, T., 1991,
Seismic reflection investigations of the
Surrency Bright Spot beneath the southern
Appalachians, USA: in
Meissner, R., Brown, L., Durbaum, H.J.,
Franke, W., Fuchs, K., and Seifert, F.,
editors, Continental Lithosphere: Deep
Seismic Reflections, American
Geophysical Union Geodynamics Series no. 22,
p. 1-7.
Costain, J.K., Hatcher, R.D., Jr.,
Coruh, C., Pratt, T.L., Taylor, S.R.,
Litehiser, J.J., and Zietz, I., 1990,
Geophysical characteristics of the Appalachian
crust: The
Geological Society of America, Boulder,
Colorado, Decade of North American Geology, v.
F-2 (The Appalachian-Ouachita Orogen in the
United States), p. 385-416.
Culotta, R.C., Pratt, T., and Oliver,
J., 1990, A tale of two sutures: COCORP's deep
seismic surveys of the Grenville Province in the
eastern U.S.
midcontinent: Geology,
v. 18, p. 646-649. (http://geology.geoscienceworld.org/cgi/content/abstract/18/7/646)
Pratt, T.L.,
Hauser, E.C., and Nelson, K.D., 1990, Reply to
comment on "Major Proterozoic basement
features of the eastern midcontinent of North America from recent COCORP profiling": Geology,
v. 18, p. 378-379.
(http://geology.geoscienceworld.org/cgi/content/abstract/18/4/378)
Pratt, T., Brown, L.,
and Hearn, T., 1989, Acoustic imaging of the
North American midcontinent:
Forefronts, v. 5, no.
5, p. 4-7.
Pratt, T.L.,
Culotta, R., Hauser, E., Nelson, K.D., Brown,
L.D., Kaufman, S., Oliver, J.E., and Hinze,
W., 1989, Major Proterozoic basement features
of the eastern midcontinent of North America
revealed by recent COCORP profiling: Geology,
v. 17, p. 505-509. (http://geology.geoscienceworld.org/cgi/content/abstract/18/4/378)
Gates, A.E., Speer, J.A., and Pratt,
T.L., 1988, The Alleghanian southern
Appalachian Piedmont: A
transpressional model: Tectonics,
v. 7, p. 1307-1324. (http://europa.agu.org/?uri=/journals/tc/TC007i006p01307.xml&view=article)
Pratt, T.L.,
Coruh, C., Costain, J.K., and Glover, L., III, 1988, A
geophysical study of the Earth's crust in
central Virginia:
implications for Appalachian crustal structure: Journal of
Geophysical Research, v. 93, p.
6649-6667. (http://www.agu.org/journals/ABS/1988/JB093iB06p06649.shtml)
Coruh, C., Costain, J.K., Hatcher,
R.D., Jr., Pratt, T.L., Williams,
R.T., and Phinney, R.A., 1987, Results from
regional Vibroseis profiling: Appalachian
ultra-deep core hole site study: Geophysical
Journal of the Royal Astronomical Society,
v. 89, p. 147-156.
Pratt, T.L.,
Coruh, C., and Costain, J.K., 1987, Lower
crustal reflections in central Virginia, USA: Geophysical
Journal of the Royal Astronomical Society,
v. 89, p. 163-170.
Pratt, T.L., Costain,
J.K., Coruh, C., Glover, L., III, and
Robinson, E.S., 1985, Geophysical evidence for
an allochthonous Alleghanian(?) granitoid
beneath the basement surface of the Coastal
Plain near Lumberton, North Carolina: Geological
Society of America Bulletin, v.
96, p. 1070-1076. (http://bulletin.geoscienceworld.org/cgi/content/abstract/96/8/1070)
Panama
Pratt, T.L., Holmes, M.,
Schweig, E.S., Gomberg, J., and Cowan, H.A.,
2003, High resolution seismic imaging of faults
beneath Limón Bay, northern Panama Canal,
Republic of Panama, Tectonophysics,
v. 368, p. 211-227.
Pratt, T.L., Holmes, M., Stephenson, W.,
and Odum, J., 1999, Results of 1997
high-resolution seismic reflection profiling
for evaluation of the seismic hazard at the
Gatún Dam, Republic of Panama, U. S.
Geological Survey Administrative Report,
43 pp. plus appendices.
Pratt, T.L., Holmes, M., Stephenson, W.,
and Odum, J., 1999, Results of 1997
high-resolution seismic reflection profiling
in Gaillard Cut, Republic of Panama, for
evaluation of the landslide hazard in the
Panama Canal, U. S.
Geological Survey Administrative Report,
25 pp. plus appendices.
Schweig, E., Cowan, H., Gomberg, J., Pratt,
T., and TenBrink, A., 1999, Design
earthquakes for the evaluation of seismic
hazard at the Gatún Dam and vicinity, Final
Report, U. S. Geological Survey
Administrative Report, 60 pp.
Pratt, T., Holmes, M., Schweig,
E., and Gomberg, J., 1996, Results of
high-resolution seismic reflection profiling
in Gatún Lake and Limón Bay, Republic of
Panama, for evaluation of the seismic hazard
at the Gatún Dam and vicinity, Report to the
Panama Canal Commission, 51 pp. plus
appendices (U. S.
Geological Survey Administrative Report).
Schweig, E., Gomberg,
J., Pratt, T., and Holmes, M., 1996,
Results and recommendations from USGS
Reconnaissance study of design earthquakes for
evaluation of the seismic hazard at the Gatún
Dam and vicinity, Report to the Panama Canal
Commission, 21 pp., 1 plate (U. S.
Geological Survey Administrative Report).
Technology
Pratt, T.L. and Levander,
A., 2010, Active
Seismic Sources within IRIS: Report from the
IRIS committee exploring an Active Source
Facility, 21 pp. (pdf)
Yelin,
T. and Pratt, T.L., 2010,
Comprehensive Continuity of Operations Plan
for the Seattle Field Office of the U. S.
Geological Survey Earthquake Science Center,
18 pp.
Pratt, T.L.
, 2009, Finding trapped miners using a
prototype seismic recording system made from
music-recording hardware, U. S.
Geological Survey Open File Report
2009-1095, 38p.
(http://pubs.usgs.gov/of/2009/1095/)
Pratt, T.L.
, and Snelson, C.S., 2008, Recommendations for IRIS
providing seismic sources to the
university/government community, 15 pp. (pdf)
Pratt, T.L., Templeton, M.E.,
Frost, R., and Shafer, A., 2006, Variations in
short-period geophone responses in temporary
seismic arrays, Seismological Research Letters,
v. 77, p. 377-388. (pdf)
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Pratt, T.L., Meagher, K.,
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recordings from the 1998 seismic hazards
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