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Pacific Coastal and Marine Science Center

Tsunamis and Earthquakes

USGS PCMSC Tsunami and Earthquake Studies


Tsunami Sources Workshop 2006

Great Earthquake Tsunami Sources:
Empiricism and Beyond Empiricism


Session 1: Overviews on Sumatra & other megathrust tsunami sources

Lessons from the 2004 Sumatra Earthquake and Tsunami (Okal)

The cataclysmic 2004 tsunami on NW Sumatra -- Preliminary evidence for a splay fault secondary source along the western Aceh Basin (Plafker et al.)

Seismotectonics of Large Earthquakes and Tsunamigenesis (Ruff)

Spatial Distribution of the Largest Megathrust Earthquakes: Variations in Plate Tectonic Parameters or Sampling Bias? (Stein and Okal)

Tsunami Source Characterization for Western Pacific Subduction Zones (Kirby et al.)

Session 2: Characterizing shallow subduction earthquake sources

Geologic and Geodetic Aspects of the 2004 Sumatra-Andaman Earthquake and 2005 Nias-Simeulue Earthquake (Hudnut)

Rapid Determination of Earthquake Magnitude Using GPS for Tsunami Warning Systems (Blewitt et al.)

Mwp and other Rapid Estimates of Source Parameters for Tsunami Warning (Hirshorn)

Possible Complex Fault Sources Near the Japan trench: The 1896 and 1933 Tsunamigenic Events and Implications for Tsunami Sources in the Western Pacific (Kirby et al.)

Poster Session

Wavelet Analysis of the Seismograms of the 2004 Sumatra-Andaman Earthquake and its Application to Tsunami Early Warning (Lockwood and Kanamori)

Thrust Faulting Dynamics (Oglesby)

Tsunamigenic Probabilistic Fault Displacement Hazard Analysis for Subduction Zones (Moss and Travasarou)

Tsunami Whirlpools - Observed in 2004 and Remembered in First Nations Art and Myth (Ludwin and Colorado)

Tsunami Hazard and Risk Assessment along the Western Coast of Thailand (Bungum et al.)

Investigating the Damage Potential of Seiches Initiated by Seismic Wave Motions: A Case Study of the Puget Lowland, Washington State (Barberopoulou)

Source Models of Tsunamigenic Earthquakes on the Hikurangi Plate Interface (Power et al.)

A Comparison Between the Great 1964 Alaska and 2004 Sumatra Earthquake Rupture Models from the Inversion of Seismic, Tsunami, and Geodetic Data (Ichinose et al.)

Near Real-Time Broadband Body-Wave Magnitudes mB and mBc: Automatic Procedure for Reliable Magnitude Estimates of Strong Earthquakes (Bormann et al.)

Characterizing the Rupture of Large Earthquakes Using IMS Seismic Arrays (Hsu)

The ANUGA Tsunami Inundation Model (Nielsen et al.)

Asperities and Barriers along the Sumatra Subduction Zone (Chlieh et al.)

Session 3: Factors that tend to favor the occurrence of great megathrust earthquakes that spawn big tsunamis

Coseismic slip in subduction zones and its relation to crustal structure revealed by gravity anomalies (Wells et al.)

Using Satellite Gravity to Map and Model Forearc Basins and Thickness of Trench Sediment Worldwide: Lessons from Central America (Blakely et al.)

Sediment Influx to Subduction Zone and Great Magnitude Earthquakes: An Observational Appraisal (Scholl)

Cascadia Great Earthquake Recurrence: Rupture Lengths, Correlations and Constrained OxCal Analysis of Event Ages (Goldfinger et al.)

Candidate Segment Boundary near Cape Blanco Inferred from Great Cascadia Earthquake Chronologies in Southern Coastal Oregon (Witter et al.)

Session 4: Shallow structure and mechanics of subduction zones

Structure and Process in Eroding and Accreting Subduction Margins -- New Developments Based on Marine Observations (von Huene et al.)

Wedge Mechanics and Tsunamigenic Seafloor Deformation (Wang et al.)

Session 5: Observing and modeling tsunamis -- the record and future prospects

A Sensitivity Study of the 2004 Sumatra Earthquake Fault Plane Mechanism (Wang and Liu)

Defining Tsunami Sources for Real-Time Tsunami Forecasting (Gica et al.)

Cascadia tsunami sources: Sensitivity analysis of inundation at Cannon Beach (Priest et al.)

Resolving the Trade-off between the Seismic Moment and Fault Dip of Large Subduction Earthquakes and Its Impact on Tsunami Excitation (Ji)

Tsunami Modeling of Complex Fault Sources (Geist)

Session 6: Summary and future research directions

The online SeismoArchives at as a data resource for tsunamigenic earthquakes (Lee)


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