SSA 2005

Program for the Annual Meeting
Hyatt Regency Lake Tahoe, Incline Nevada, USA
27-29 April 2005 (Wednesday-Friday)

Presenter is indicated in bold.































Wednesday,27 April—Oral Sessions:

Promoting Earthquake Safety

Nuclear Explosion Monitoring Research Developments

The September 28, 2004 Mw 6 Parkfield Earthquake

ANSS and Real Time Seismology

Nuclear Explosion Monitoring Research Developments

William B. Joyner Memorial Lecture

The December 26, 2004 Mw 9 Indonesia Earthquake and Tsunami

Wednesday, 27 April—Poster Sessions:

Promoting Public Earthquake Safety

The December 26, 2004 Mw 9.0 Indonesia Earthquake and Tsunami

Nuclear Explosion Monitoring Research Developments

The September 28, 2004 Mw 6 Parkfield Earthquake

ANSS and Real Time Seismology

Crustal Structure

Thursday, 28 AprilOral Sessions

Recent Advances in Seismic Inversion

Predicting Ground Motions for Shallow Crustal Earthquakes

Seismic Hazard of the Great Basin

Crustal Structure

Walker Lane, Central Nevada Seismic Belt, and Eastern Sierra Nevada Margin

IRIS/SSA Distinguished Lecture

Thursday/Friday, 28-29 April Poster Sessions:

Recent Advances in Seismic Inversion

Predicting Ground Motions for Shallow Crustal Earthquakes

Seismic Hazard of the Great Basin

Walker Lane, Central Nevada Seismic Belt, and Eastern Sierra Nevada Margin

Earthquake Source Physics

Seismic Hazard

Volcanoes and Earthquakes

Friday, 29 April—Oral Sessions:

Earthquake Source Physics

Seismic Hazard

Volcanoes and Earthquakes

Field Trips:

Wednesday, 27 April—Oral Sessions  

Time

Lakeside Ballroom A     

Lakeside Ballroom B

Lakeside Ballroom C             

 

 

Promoting Earthquake Safety Presiding: Brian Tucker and John Anderson

 

 

Nuclear Explosion Monitoring Research Developments
Presiding: David Harris and William Walter

 

The September 28, 2004 Mw 6 Parkfield Earthquake
Presiding: Joe Fletcher and Anthony Shakal

 

8:30 am

How Earth Science and Earthquake Engineering Professional Societies Can Jointly Influence Public Policy and Advocate Seismic Safety to Reduce Global Earthquake Risk. Tucker, B. and Anderson, J.

Nuclear Treaty Monitoring Research Needs: The AFTAC Perspective. Schrodt, J.

(20 Mins)

Surface Fault Slip Associated with the 2004 Parkfield, California Earthquake and Its Geologic Setting. Rymer, M., Tinsley, J., Treiman, J., Arrowsmith, J., Clahan, K., Rosinski, A., Fuis, G. and Snyder, H.

8:45 am

 

Modern Seismic Networks and Monitoring Everything Except Earthquakes. Wallace, T. and Taylor, S.

Strong-motion Data from the Parkfield Earthquake of 28 September 2004. Shakal, A., Graizer, V., Haddadi, H., and Lin, K.-W.

9:00 am

New Challenges in Earthquake Hazard Mitigation in China before 2020.

Wang, Zifa.

What Fraction of Seismicity Can Be Located Using Cross-correlation and Multiple-event Relocation Algorithms? Richards, P.., Kim, W., Walhauser, F., and Schaff, D.

(20 Mins)

Characteristics of Near-source Acceleration, Volumetric Strain, and Displacement from Recordings of the Parkfield 2004 Earthquake on the GEOS STrong-motion Array. Borcherdt, R.., Johnston, M., Dietel, C., Glassmoyer, G. and Myren, G.

9:15 am

Errors and Problems Associated with Real-time Loss Estimates after Earthquakes in Developing Countries. Wyss, M.

 

Finite-fault Model of the 2004 Mw 6.0 Parkfield Earthquake from Inversion of Strong-motion Data. Liu, P., Custodio, S., and Archuleta, R.

9:30 am

Making Optimal, Common-sense Decisions in an Uncertain World: How Subscribers Might Utilize Earthquake Early-warning Information. Cua, G. and Heaton, T.

Advanced Array Processing at NORSAR: Recent Developments and Future Plans. Ringdal, F.., Kvaerna, T. and Gibbons, S.

Prediction of Near-source Ground Motion for the 2004 Mw 6.0 Parkfield Earthquake: Effects of Using Different Data Sets in the Inversion. Custodio, S., Liu, P. and Archuleta, R.

9:45 am

Earthquake Probability Maps: A New Web Tool. Harmsen, S.

An Overview of Double-difference Seismic Tomography and Its Development. Zhang, H., and Thurber, C.

Kinematic Modeling of the 2004 Parkfield Earthquake. Dreger, D., Murray, M., Nadeau, R. and Kim, A.

10:00 am

The Importance of Community Involvement on the Road to School Seismic Safety in British Columbia: The Obstacles and Circumventing Them. Monk, T.

High-resolution Short-period Surface-wave Tomography from Ambient Seismic Noise. Ritzwoller, M.., Shapiro, N., Campillo, M. and Stehly, L.

(20 Mins)

Rupture Propagation of the 28 September 2004, M 6 Parkfield Earthquake from an Analysis of Strong Motion at the UPSAR Array Fletcher, J., Spudich, P., Baker, L.M. and Sell, R.

10:15 am

Using What We Know and Don’t Know in Earthquake Hazard Mitigation. Stein, S.

Reconciling Data Using Markov Chain Monte Carlo: An Application to the Yellow Sea-Korean Peninsula Region. Pasyanos, M., Franz, G. and Ramirez, A.

Parkfield Earthquake Locations: Implications for Structure and Fault Mechanics. Hardebeck, J., Waldhauser F., Michael, A. and Ellsworth, W.

10:30 am

Coffee Break (Regency Ballroom)

11:00 am

Poster Session (Regency Ballroom)

12:00 noon

Lunch (Castle Peak and Martis Peak Rooms)

 

ANSS and Real Time Seismology Presiding: William Savage and William Leith

Nuclear Explosion Monitoring Research Developments
Presiding: David B. Harris and William R. Walter

 

The September 28, 2004 Mw6 Parkfield Earthquake
Presiding: Joe Fletcher and Anthony Shakal

1:00 pm

The Origins of the Advanced National Seismic System.

Filson, J., Arabasz, W., Benz, H., Buland, R, Gee, L., Malone, S. and Oppenheimer, D. (20 Mins)

Amplitude Tomography for Regional Phase-path Calibration. Phillips, W., Rutledge, J., Taylor, S., Yang, X. and Mayeda, K.

Spatiotemporal Variations of the Damage on the San Andreas Fault Associated with the 2004 M 6 Parkfield Earthquake. Li, Y.-G.., Chen, P., Cochran, E., Vidale, J. E. and Burdette, T.

1:15 pm

Progress Developing the Advanced National Seismic System.

Leith, W. (20 Mins)

A New Map of Lg Coda Q Variation for Eurasia: Implications for the Relationship of Q to Tectonics and for Nuclear Test Ban Monitoring. Mitchell, B. and Cong, L.

Multimode Imaging of Seismic Coda Waves for Detecting the Fault-zone Heterogeneous Structure of the San Andreas Fault at Parkfield, California. Taira, T., Silver, P., Niu, F. and Nadeau, R.M.

1:30 pm

Rapid Postearthquake Information Products from the Advanced National Seismic System (ANSS).

Wald, D. (20 Mins)

 

Development of a Time-domain, Variable-period, Surface-wave Magnitude Measurement Procedure for Application at Teleseismic and Regional Distances. Russell, D., Bonner, J.., Harkrider, D. and Reiter, D.

Nonlinear Strong Ground Motion in the 2004 Parkfield Earthquake. Rubinstein, J.. and Beroza, G.

1:45 pm

 

A Probability of Detection Method as an Alternative to Short-period mb-MS. Taylor, S. and Patton, H.

Tremor Activity Before and After the 2004 Parkfield Earthquake. Nadeau, R.. and Dolenc, D.

2:00 pm

Guideline for ANSS Seismic Monitoring of Engineered Civil Systems. Whittaker, A. and Nigbor, R.

Unusual Long-period Surface-wave Excitation by Shallow Sources in Thick Sedimentary Basins. Selby, N.., Douglas, A. and Patton, H.

Was the 2004 Parkfield Earthquake Preceded by a Temporal Strain Anomaly? Sipkin, S.

2:15 pm

Strategies and Guidelines for Structure Selection and Instrumentation: The CSMIP Approach. Huang, M.. and Shakal, A.

Focal Depth Determination from P and S Coda Waves at Regional Distances: A Time-reversed Acoustics Approach.

Toksoz, M., Li, X., Lu, R. and Willis, M.

A Scientific Hypothesis Challenged by Parkfield Earthquakes: Material Contrasts and Rupture Propagation Direction. Harris, R.

2:30 pm

HYDRA: NEIC’s New Real-time Earthquake Response System. Benz, H., Buland, R., Johnson, C., Bittenbinder, A. and Sipkin, S.

Simulations of Energy Partitioning from Seismic Events in Underground Mines. Larsen, S.., Kvaerna A., Roth., Aastebol, K. and Harris, D.

Rupture Dynamics of Small Earthquakes, Including 2004 Aftershocks, Recorded Downhole at Parkfield. Sonley, E. and Abercrombie, R.

2:45 pm

The Integration of Seismic Networks in California by the CISN. Oppenheimer, D., Gee, L., Given, D. Hauksson, E. and Shakal, A.

Ground Truth and Velocity Structure in Central Asia from Local Networks. Sheehan, A.., Rowe, C.,Monslave, G. and De La Torre, T.

Anomalous Aftershock Decay Rates in the First Hundred Seconds. Vidale, J. and Peng, Z.

3:00 pm

How ANSS Data Are Managed at the IRIS Data Management Center: Past, Present, and Future (?). Ahern, T. and Benson, R.

Ground-truth Locations of Earthquakes in Iran and Indian Subcontinent Using Seismic and Satellite Data. Saikia, C., Thio, H., Ichinose, G. and Rosen. P.

Lessons Learned from Monitoring b Values of Microseismicity at Parkfield throughout the Seismic Cycle. Wiemer, S., Schorlemmer, D. and Woessner, J.

3:15 pm

The CISN/ANSS Engineering Strong-motion Data Center. Shakal, A., Huang, M., Lin, K., Savage, W., Stephens, C. and Haddadi, H.

Frequency-dependent degree of polarization filter for signal enhancement. Schimmel, M. and Gallart, J.

High-resolution Strain on the San Andreas Fault at Parkfield before, during, and after the 28 September 2004 Parkfield Earthquake: Implications for Fault Response, Nucleation, and Earthquake Prediction. Johnston, M., Borcherdt, R., Gladwin, M., Myren, D., Mee, M., Glassmoyer, G. and Dietel, C.

3:30 pm

Coffee Break (Regency Ballroom)

3:30 pm

Coffee Break (Regency Ballroom)

4:00 pm

Poster Session (Regency Ballroom)

5:00 pm

William B. Joyner Memorial Lecture
Allin Cornell: “Quantifying the Seismology-Engineering Interface” (Lakeside Ballroom)

6:00 pm

Dinner in Castle Peak and Martis Peak Rooms

 

  The December 26, 2004 Mw 9 Indonesia Earthquake and Tsunami
  Presiding: Paul Richards, Geoff Blewitt

7:30 pm

Three Aspects of the 26 December 2004 Event. Richards, P.

7:50 pm

Mapping Areas of Uplift and Subsidence Associated with the Great Sumatra-Nicobar-Andaman Earthquake of 2004, Using High-resolution Imagery. Meltzner, A.., Avouac, J., Sieh, K., Hudnut, K., Ji, C., Abrams, M., Sanchez, R. and Galetzka, J.

8:10 pm

Coseismic Slip Distribution of the 2004 Banda Ache Earthquake. Ji, C.., Hjorleifsdottir, V., Helmberger, D., Tromp, J. and Kanamori, H.

8:30 pm

The M 9.0 2004 Sumatra-Andaman Islands Earthquake: Reconciling Source Parameters Determined from Tsunami and Seismic Data. Geist, E., Titov, V., Arcas, D. and Bilek, S.

8:50 pm

Effects of the Mw 9.0 Sumatra Earthquake and Tsunami on Earth’s Shape. Blewitt, G., Plag, H., Kreemer, C. and Hammond, W.

Tuesday/Wednesday Poster Sessions

Regency Ballroom
Promoting Public Earthquake Safety

  1. Prompt Assessment of Global Earthquakes for Response (PAGER). Earle, P., Wald, D., Quitoriano, V., and Donnelly, M.

  2. CISN DIsplay: Reliable Delivery of Real-time Earthquake Hazards Information to Critical Users. Rico, H., Hauksson, E., Oppenheimer, D., Gee, L., and Eisner, R.

  3. Impact of the 23 October 2004 M 6.6 Niigata Prefecture, Japan Earthquake Analyzed from Satellite Imagery. Lamontagne, M., Fung, K., Beauchemin, M., Charbonneau, F., Savopol, F., Pollock, P., Avard, B., Auger, D.,and Giguere, C.

  4. The Seismologist’s Role in Public Seismic Safety: Seismic Hazard Assessment and Communication in the New Madrid Seismic Zone. Wang, Zhenming, Woolery, E., Shi, B. and Kiefer, J.

Regency Ballroom
The December 26, 2004 Mw 9.0 Indonesia Earthquake and Tsunami

  1.   Earthquake Forecasting Using the Pattern Informatics (PI) Method: Current Status. Holliday, J., Rundle, J. , Tiampo, K. and Turcotte, D.

  2.   GSN REsponse and Performance for the Great Sumatra-Andaman Earthquake. Butler, R., Anderson, K. and Park, J.

  3. The 26 December 2004, M 9.0 Sumatra Earthquake: Implications for Cascadia. Cassidy, J.F., Rogers, G.C., Dragert, H., and Wang, K.

  4.   Aftershock Characteristics of the 2004 M 9.0 Sumatra-Andaman Islands Earthquake. Bilek, S., Newman, A., and DeShon, H.

  5. Seismic Moment of the Great 2004 Sumatra Earthquake from Individual Observations of Split Singlets of the Earth’s Gravest Modes. Stein, S. and Okal, E.

  6. Slip Model of the 2004 Aceh-Nicobar Earthquake from Teleseismic Body Waves, Surface Waves, and Tsunami Data. Ichinose, G. and Saikia, C.

  7. Rupture Process of the 26 December 2004 Sumatra-Indonesia Earthquake (Mw 8.8) from the Inversion of Teleseismic Broadband Waveforms. Orgulu, G., Lee, S., Ma, K., and Huang, B.

  8. Moment Release History of Large-magnitude Earthquakes in the Region of the 2004 M 9 Sumatra-Andaman Islands Earthquake. DeShon, H., Budzinski, M., and Thurber, C.

  9. Estimation of the Rupture Length and Velocity of the Tsunami-generating Event of 26 December 2004 Using Hydroacoustic Signals. De Groot-Hedlin, C.

  10. Numerical Study of the 26 December 2004 North Sumatra Tsunami. Suleimani, E. and Hansen, R.

  11. Periodically Triggered Seismic Events at Mt. Wrangell Volcano Following the Sumatra-Andaman Islands Earthquake. West, M., Sanchez, J. and McNutt, S.

Regency Ballroom
Nuclear Explosion Monitoring Research Developments

  1. Scaled Explosive Experiments at the Underground Research Laboratory. McCormack, D., and Bowers, D.

  2. Source Scaling of Single-fired Mining Explosions with Different Confinement and Explosive. Stump, B. and Zhou, R.

  3. Upper-crustal Structure in Southeast Arizona from P and Rg Phases Generated by Explosions. Kim, T. and Stump, B.

  4. MS:mb Study of Mining Explosions in Wyoming, USA and Hebei, China. Zhou, R., Stump, B., and Hayward, C.

  5. Source Phenomenology Experiment in Arizona: Comparison of Regional Surface Waves between Hard- and Soft-Rock Mines. Zeiler, C., Velasco, A., and Hernandez, S.

  6. Moment-tensor Representation for Underground Explosions of Various Source Configurations. Yang, X. and Bonner, L.

  7. The Effect of Topography and Near-source Geologic Heterogeneity on the Generation of Short-period Explosion S Waves. Myers, S., Wagoner, J., and Larsen, S.

  8. Modeling Nuclear Explosions and Earthquakes with the Spectral Element Method and High-performance Computing. Rodgers, A.

  9. A Study of the Mechanisms of Lg Generation from Spectral Ratio Analysis of the Balapan Dob Experiments. Patton, H.

  10. Regional Discriminant Optimization with and without Nuclear Test Data: Western U.S. Examples. Walter, W., Mayeda, K., Sicherman, A. Bonner, J., and Leidig, M.

  11. Detection and Classification of Uncertain Seismic Signals. Harris, D.

  12. Discrimination Analysis of the Neva-2, -3, and -4 PNE’s Using Digital and Analog Regional Seismic Records. Hartse, H., Mackey, K., Fujita, K., and Koz’min, B.

  13. Application of Maximum-likelihood Magnitude Estimates to Event Screening Using the Ms:mb Discrimination Criterion. Murphey, J., Barker, B., Israelsson, H., and McLaughlin, K.

  14. Intraplate Seismicity and the Discrimination of Nuclear Test Events. Mooney, W., Schulte, S., and Detweiler, S.

  15. Differential Travel-time Residual Analysis in China and East Asia. Steck, L.K., Rowe, C., and Phillips, W.

  16. Regional Seismic Location Improvement and Statistical Assessment of Nonstationary Travel-time Uncertainty in Western Eurasia. Flanagan, M.P. and Myers, S.

  17. Assessment of Local Monitoring Capabilities at a Nuclear Test Site. Sweeney, J., and Smith, A.

  18. Earthquake Detection Capabilities of the Advanced National Seismic Network. McNamara, D., Buland R., and Benz, H.

  19. 2D Q Coda Wave Tomography in Northern Italy. Morasca, P., Mayeda, K., Gok, R., and Phillips, W.

  20. Sensitivity Analysis of Ground-truth Locations of Selected Chinese Earthquakes Using Remote Sensing and Seismic Data. Saikia, C., Thio, H., Ichinose, G. , Chen, J., Helmberger, D. and Simons, M.

  21. Focal Mechanisms from Moment-tensor Solutions and First-motion Polarities of Shallow to Deep Local Earthquakes in Eastern Nepal and Southern Tibet. De La Torre, T.., Monsalve, G., and Sheehan, A.

  22. The Generic Array Processing (GAP) Software Package. Koper, K.

  23. A New Inverse S Transform for Filters with Time-frequency Localization. Schimmel, M. and Gallart, J.

Regency Ballroom
The September 28, 2004 Mw 6 Parkfield Earthquake

  1. A Model for the Seismicity on the Parkfield Segment of the San Andreas Fault. Zoeller, G., Hainzl, S., Hollschneider, M., and Ben-Zion, Y.

  2. Analysis of Spatial Variation of Strong Ground Motion during the Parkfield Earthquake of 28 September 2004. Haddadi, H. and Shakal, A.

  3. Rupture Process of the 2003 San Simeon Earthquake and Aftershock Rate Changes Related to the 2004 Parkfield Earthquake. Ichinose, G., Somerville, P., Graves, R., and McLaren, G.

  4. The Statistical Variability of Strong-ground-motion Data from the M 6 Parkfield Earthquake. Lin, K. and Shakal, A.

  5. The Unpredictable Earthquake: 25 Years Later. Brune, J.

  6. Near-real-time Generation of 3D Interactive Visualization and Web-based Information Pertaining to the 28 September 2004 Mw 6 Parkfield Earthquake. Kilb, D., Bowen, J., Cruz, C., Eakins, J., Lindquist, K., Martynov, V., Nayak, A., Newman, R., Otero, J., Prieto, G., and Vernon, F.

  7. Magnitude Production Balance and Recent Failed San Andreas Earthquake Forecasts. Latchman, J., Aspinall, W., and Morgan, F.

  8. Simulation of Strong Ground Motion by Hybrid Green’s Function Technique: Application to the 2004 Parkfield Earthquake. Sanli, B., Durukal, E., and Erd, K.

  9. Imaging the Cholame Valley Fault Stepover with Guided Waves. Michael, A., Ross, S. and Hamilton, J.

Regency Ballroom
ANSS and Real Time Seismology

  1. EarthScope and USArray: The First Eighteen Months and the Year Ahead. Ingate, S., Ahern, T., Butler, R., Fowler, J., and Taber, J.

  2. Automated Seismic Data Processing in the Mid-America Region of the Advanced National Seismic System. Withers, M.

  3. Real-time Processing and Data Exchange at the Alaska Earthquake Information Center. Stachnik, J.C., Hansen, R.A., and Ratchkovski, N.

  4. Pacific Northwest Seismograph Network (PNSN) as Part of ANSS. Thomas, G., Qamar, A., Barberopoulou, A., Lindquist, P., and Malone, S.

  5. Utah’s ANSS Urban Strong-motion Network, 2000–2005: Status, Lessons, and Applications. Arabasz, W., Dye, T., Drobeck, D., Pankow, K., Pechmann, J., Burlacu, R., and Moeinvaziri, A.

  6. Progress toward Standards within the California Integrated Seismic Network (CISN). Given, D., Walter, A., Worden, B., Yong, A., Appel, V., Hauksson, E., Rico, H., Saleh, T., Solanki, K., Gee, L., Lombard, P., Neuhauser, D., Zuzlewsky, S., Oppenheimer, D., Dietz, L., Haddadi, H., Shakal, A., Schwarz, S., and Friberg, P.

  7. Seismic Network Improvements in Nevada through the ANSS Initiative. Biasi, G., Slater, D., Anooshehpoor, A., Anderson, J., Nicks, W., Torrisi, J., and Wilson, A.

  8. Advanced National Seismic System and Earthquake Hazard Studies in the Northeastern United States: The Lamont Cooperative Seismographic Network. Kim, W.

  9. IRIS Cooperation with the ANSS Backbone. Butler, R. and Anderson, R.

  10. ANSS and Other Earthquake Data at the NCEDC. Neuhauser, D., Gee, L., Zuzlewski, S., Murray, M., Romanowicz, B., Klein, F., Macbeth, H., and Oppenheimer, D.

  11. Near-real-time Back-up of Large Seismic Waveform Data Sets with the Storage Resource Broker. Lindquist, K., Eakins, J., Rajasekar, A., and Vernon, F.

  12. Current Development and Future Directions at the Southern California Earthquake Data Center (SCEDC). Appel, V. and Clayton, R.

  13. The COSMOS VDC: A Search ENgine for Worldwide Strong-motion Data. Squibb, M., Archuleta, R. and Steidl, J.

  14. A Software Tool to Evaluate Ambient Seismic Noise Levels for ANSS Broadband Seismic Stations. McNamara, D., Buland, R., and Benz, H.

  15.  “Did You Feel It?” Goes GLobal: Testing the USGS Community Internet Intensity Map (CIIM) Procedure for Non-U.S. Earthquakes. Wald, D.., Quitoriano, V., and Dewey, J.

  16. Advanced National Seismic System’s ShakeMap: Ongoing Developments. Worden, C., Wald, D., Quitoriano, V., and Lin, K.

  17. Verification of ShakeMap Operational Requirements for the Upper Mississippi Embayment. Brackman, T. and Withers, M.

  18. Expanding ShakeMap Capabilities in the Utah Region. Pankow, K. and Burlacu, R.

  19. Relationship between Ground-motion Parameters and Modified Mercalli Intensity from Community Internet Intensity Maps. Gerstenberger, M. and Worden, C.

  20. Examples of Site Characterization and VS30 Measurements at ANSS Stations at Selected Sites across the United States. Odum, J., Stephenson, W., Williams, R., and Worley, D.

  21. REF TEK Mobile VSAT Seismic Station for Rapid Deployment: An Advanced Real-time Seismological Data-acquisition System. Passmore, P., Raczka, J., and Zimakov, L.

Regency Ballroom
Crustal Structure

  1. How Thick Is the Earth’s Crust? Mooney, W., Chuck, G., and Detweiler, S.

  2. Development of a Velocity Model for Black Mesa, Arizona and the Southern Colorado Plateau from Multiple Data Sets. Russell, D. Bonner, J., Harkrider, D., and Reiter, D.

  3. Continental Upper Mantle: T, VS, QS. Artemieva, I.

  4. Crustal Velocity Structure of the San Francisco Bay Area from Controlled-source Seismic Refraction Imaging. Catchings, R., Goldman, M., Rymer, M., Steedman, C., and Gandhok, G.

  5. Amplitude Tomography from MS Data beneath China. Hearn, T., Pei, S., Wang, S., and Ni, J.

  6. Shear-velocity Structure of Central Asian Basins from Surface-wave Velocity Inversions. Maceira, M., Ammon, C., and Taylor, S.

  7. Analysis of Seismic Data from the Northern San Francisco Bay Area. Detweiler, S., Sell, R., Lin, H., Chen, Y., Mooney, W., Fletcher, J., and Boatwright, J.

  8. Seismic Anisotropy in Northern Baja California, Mexico Using SKS Waves Recorded by the NARS-Baja Array. Obrebski, M. and Valenzuela, R.

  9. S-wave Amplitude Tomography in Northern China. Pei, S., Hearn, T., Wang, S., and Xu, Z.

  10. New Interpretation of Deep Seismic Refraction Data from the Tocantins Province, Brazil. Perosi, F.,Mooney, W., and Berrocal, J.

  11. An Estimate of Shear-wave Q of the Mantle Wedge in Mexico. Singh, S.., Pacheco, J., and Iglesias, A.

  12. Regional Variation of the Coda Q in the Korean Peninsula. Young, Y.., Lee, W., and Lee, K.

  13. The SCEC Community Modeling Environment (SCED/CME): A Cyberinfrastructure for Earthquake Science. Maechling, P. and Jordan, T.

Thursday, 28 AprilOral Sessions

Time

Lakeside Ballroom A     

Lakeside Ballroom B

Lakeside Ballroom C             

8:00 am

 Recent Advances in Seismic Inversion
Presiding: Jacobo Bielak and Omar Ghattas

Predicting Ground Motions for Shallow Crustal Earthquakes Presiding: Yuehua Zeng, Ellen Rathje

Seismic Hazard of the Great Basin Presiding: Mark Petersen and Feng Su

8:00 am

 

Composite Ground-motion Models and Logic Trees: Method, Sensitivities, and Uncertainties. Scherbaum, F.., Bommer, J., Bungum, H., Cotton, F. and Abrahamson, N.

Shallow Shear Velocity and Seismic Microzonation of the Urban Las Vegas, Nevada Basin. Scott, J.., Rasmussen, T., Smith, S., Louie, J., Luke, B., Taylor, W.and Wagoner, J.

8:15 am

Local Attenuation and Velocity Structure through Downhole Array Data Inversion: A Hybrid Global-local Optimization Algorithm. Assimaki, D.. and Steidl, J.

Application of Stochastic Source Models to Predict Ground Motions in the New Madrid Seismic Zone. Tavakoli, B. and Pezeshk, S.

Ground-motion Attenuation Relations for the Intermountain West Part 1: Velocity Model Calibration and Source Model Characterization. Ichinose, G., Somerville, P. and Graves, R.

8:30 am

Joint Inversion for High-resolution Subduction Zone Seismicity and Velocity Structure in Ibaraki, Japan. Shelly, D.., Beroza, G., Zhang, H., Thurber, C. and Ide, S.

Q Observations and Implications for Seismic Hazard in Eastern North America (ENA) and Western India. Cramer, C.

Using Geodetic Data to Estimate Seismic Hazard in the Western Great Basin. Hammond, W. and Kreemer, C.

8:45 am

Source Process of the 2003 Bam Earthquake from Inversion of Seismic Recordings and InSAR Data. Mai, P.., Jonsson, S. and Salichon, J.

Attenuation of Peak Ground Motion and V/H Ratios for Three Recent California Earthquakes. Graizer, V.. and Shakal, A.

Quantifying Seismic Hazard Uncertainty in the Reno-Carson Metropolitan Region. Su, F.. and Anderson, J.

9:00 am

High-resolution 3D Travel-time Tomography Using Controlled Sources and Earthquakes: Application to the Seattle Basin and Vicinity. Crosson, R.

The 28 May 2004 Kojour, Iran Earthquake: Analysis of the Strong-motion Records. Shoja-Taheri, J., Naserrieh, S. and Ghafoorian-Nasab, A.

First Paleoseismic Results from the Lake Tahoe Basin: Evidence for Three M 7 Range Earthquakes on the Incline Village Fault. Seitz, G., Kent, G., Dingler, J., Karlin, R. and Turner, R.

9:15 am

A Unified Approach for Seismic Source Inversion and Full 3D Tomography. Chen, P.., Zhao, L. and Jordan, T.

Shallow S-wave Velocity Structures at Strong-motion Stations along the Trans-Alaska Pipeline and at Fairbanks, estimated by Surface-wave Inversion Applied for Microtremors and Hammer-generated Waves. Kudo, K.., Tsuno, S., Iwata, T., Asano, K. and Irikura, K.

Recent Paleoearthquake History of the Southern Warm Springs Valley Fault System, Northwest Nevada. de Polo, C.., Sawyer, T., Ramelli, A. and Berger, G.

9:30 am

Seismic Tomography, Adjoint Methods, Time Reversal, and Banana-donut Kernels. Tromp, J. and Liu, Q.

Observed Site Effects during the 1999 Chi-Chi Earthquake and Its Aftershocks. Rathje, E.., Kockar, M. and Ozbey, M.

Geological and Geophysical Evidence for the Nature, Style, and Age of Faults in Crater Flat, Nevada. Stamatakos, J. and Ferrill, D.

9:45 am

Seismic Waveform Inversion for Elastic Properties and Anelastic Losses in Highly Heterogeneous Structures. Akcelik, V., Askan, A.., Bielak, J. and Ghattas, O.

Large Earthquakes and Low Footwall Accelerations on the Fort Sage Mountains Normal Fault Zone, Northeastern California. Briggs, R., Barron, A., Wesnousky, S., Brune, J. and Purvance, M.

Spatial and Temporal Sampling Issues for Characteristic Earthquake and Seismic Hazard Studies: Illustrations for the Wasatch, New Madrid, and North Africa Seismic Zones. Swafford, L.., Stein, S., Newman, A. and Friedrich, A.

10:00 am

Coffee Break (Regency Ballroom)

10:30 am

Poster Session (Regency Ballroom)

12:00 noon

SSA Annual Lunch (Lakeside Ballroom)

2:00 pm

Poster Session (Regency Ballroom)

Session Title

Crustal Structure
Presiding: Allison Bent, Zhigang Peng

Predicting Ground Motions for Shallow Crustal Earthquakes Presiding: Yuehua Zeng, Yoshi Hisada

Walker Lane, Central Nevada Seismic Belt, and Eastern Sierra Nevada Margin
Presiding: Kenneth Smith and James Faulds

3:30 pm

Improved Velocity Models for the Crust and Uppermost Mantle beneath Central and Eastern Canada. Bent, A. and Kao, H.

Broadband Ground-motion Simulation for a Mw 6.7 Earthquake on the Puente Hills Fault. Graves, R.

Overview of Recent Seismicity in the Western Great Basin and Walker Lane Region. Smith, K.

3:45 pm

Average Crust Model and Moho Geometry beneath Taiwan. Wang, H.., Chen, H. and Zhu, L.

An Extension of the Stochastic Green’s Function Method to Long-period Strong Ground-motion Simulation. Hisada, Y. and Bielak, J.

Geodetic Constraints on the Rate and Style of Contemporary Deformation in the Northern Walker Lane. Hammond, W., Blewitt, G. and Kreemer, C.

4:00 pm

Tomographic Regionalization of Lg Q in Eastern Eurasia. Xie, J., Wu, Z., Liu, R. and Liang, J.

Developing Acceptable Base Input Motions for FLAC Seismic Deformation Analysis for Haynes Generating Station Intake Pipeline Systems. Zhai, E.., Bhushan, K. and Tognazzini, R.

The 1954 Rainbow Mountain-Stillwater-Fairview Peak-Dixie Valley Earthquake Sequence, Central Nevada: 50 Years Later. Caskey, S.., Bell, J., Wesnousky, S. and Slemmons, D.

4:15 pm

Relations between Elastic Wave Speeds and Density in the Earth’s Crust. Brocher, T.

Modeling and Simulation of Near-fault Strong Ground Motions for Earthquake Engineering Applications. Mavroeidis, G., Halldorsson, B. and Papageorgiou, A.

Pattern and Rate of Late Quaternary Faulting along the Pyramid Lake Fault Zone, Northern Walker Lane Belt, Based on Deformation of Lake Lahontan Chronostratigraphy. Bell, J. and House, P.

4:30 pm

Geotechnical Site Characterization Using Remote Sensing Data: A Feasibility Study. Yong, A.., Hough, S., Hudnut, K., Giberson, J., Healy, S. and Simila, G.

Modeling and Testing an Improved Isochrone-based Directivity Function for Use in Empirical Ground-motion-Prediction Relations. Spudich, P., Chiou., B., Graves, R., Collins, N. and Somerville, P.

Interaction of Sierra Nevada Frontal Faults and the Northern Walker Lane. Ramelli, A.., Bell, J. and dePolo, C.

4:45 pm

Analyses of Ambient Ground and Structural Vibration Data. Safak, E.

Expected Near-fault Peak Ground Velocity Based on Earthquake and Laboratory Data. McGarr, A. and Fletcher, J.

A 60 k.y. Record of Extension across the Western Boundary of the Basin and Range Province: Estimate of Slip Rates from Offset Shoreline Terraces and a Catastrophic Slide beneath Lake Tahoe. Kent, G., Babcock, J., Driscoll, N., Harding, A., Dingler, J., Seitz, G.and Karlin, R.

5:00 pm

Temporal Changes of Seismic Velocity around the Karadere-Duzce Branch of the North Anatolian Fault and Its Relation to Nonlinear Strong Ground Motion. Peng, Z.. and Ben-Zion, Y.

Effects of Fault Rupture Directivity on Mean and Modal Probabilistic Design Earthquakes. Rowshandel, B.

Sierran Uplift and Lower Crustal Earthquake Swarm: Evidence for Magma Injection beneath North Lake Tahoe, Nevada-California in Late 2003. Smith, K., Blewitt, G., Von Seggern, D., Preston, L., Anderson, J. and Kilb, D.

5:15 pm

Toward Automated Moment-tensor Solutions for Eastern Canadian Earthquakes. Bent, A.., Kao, H., Ristau, J. and Woodgold, C.

Ground Motions: Effects of Topography and Realistic Q. Ma, S.., Liu, P. and Archuleta, R.

3D Vp and Vp/Vs Velocity Models and Spatial Seismicity Patterns along the Intracontinental Plate Boundary in Central-eastern California: Imaging the Magma Chamber beneath Coso. Hauksson, E. and Unruh, J.

5:30 pm

Refreshments on patio of Lakeside Ballroom

 6:00 pm