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- 1. My Pathway in Science and Teaching Ali O. Oncel Earth Science Department, KFUPM Chile University, Department of Geophysics, June 25, 2008
- 2. Global Work Experience
- 3. Academic Life - Services
- 4. Cited Papers
- 5. Contents of Presentation
- 6. Teaching Experiences
- 7. Graduate Classes Online <ul><li>Geophysical Exploration </li></ul><ul><li>Solid Earth Geophysics </li></ul>http://solidearthgeophysics.pbwiki.com/ http://geophysicalexploration.pbwiki.com/
- 8. <ul><li>Introduction to Seismology </li></ul><ul><li>Introduction to Geophysics </li></ul>Undergraduate Classes Online http://seismology.pbwiki.com/ http://geophysics.pbwiki.com/
- 9. Undergraduate Courses <ul><li>Special Topics </li></ul><ul><li>Seminar </li></ul>http://geophysicsseminar.pbwiki.com/ http://specialtopics.pbwiki.com/
- 10. Collaborative Teaching Model
- 11. Submitted to Journal of Geosciences Education, 2007 Integrated Teaching Model
- 12. Leading Senior Project http://fieldgeophysics.pbwiki.com/
- 13. Near Surface Refraction Tomography
- 14. <ul><li>http://fieldgeophysics.pbwiki.com/ </li></ul><ul><li>http://specialtopics.pbwiki.com/ </li></ul><ul><li>http://seismology.pbwiki.com/ </li></ul><ul><li>http://geophysicsseminar.pbwiki.com/ </li></ul><ul><li>http://geophysicalexploration.pbwiki.com/ </li></ul><ul><li>http://solidearthgeophysics.pbwiki.com/ </li></ul>WEB 2 Teaching Tool
- 15. Contents of Presentation
- 16. Seismicity-Fault Statistics Log N = a – b M <ul><li>D (Fractal)-value : </li></ul><ul><li>D 2 >D 3 >……>D 15 heterogeneous </li></ul><ul><li>D 2 =D 3 =……=D 15 homogeneous </li></ul><ul><li>b-value : </li></ul><ul><li>Material heterogeneity </li></ul><ul><li>Applied shear stress level </li></ul><ul><li>b high ……>creeping </li></ul><ul><li>B low …….> asperity </li></ul><ul><li>N = Cr -D </li></ul><ul><li>N : Occupied boxes' number </li></ul><ul><li>r: the length of the box (r). </li></ul><ul><li>D (Fractal dimension) : </li></ul><ul><li>D high > Intense Faulting </li></ul><ul><li>D low > Clustering or localization </li></ul>
- 17. Seismicity-Fault (Oncel, Wilson and Nishizawa, JGR-2001)
- 18. Local Variations of Complex Variables
- 19. <ul><li>Shear Zone: Seismic b-value and D value are positively related. Extensional Zone: Seismic Clustering (D) correlates positively with Dilatation . </li></ul><ul><li>Compressional Zone: Seismic b value correlate negatively with shear . </li></ul>Geodetical strain and earthquake hazard: Example from western Turkey
- 20. <ul><li>Seismic b-value and average dilatation are positively related (r=0.5, p=0.05). D2 correlates negatively with maximum Geodetic Strain and Shear Strain (r=-0.56. p=0.03 and r=-0.56, p=0.02). </li></ul><ul><li>NAFZ in the Sea of Marmara </li></ul>Seismicity -Strain
- 22. <ul><li>Seismic b-value and average dilatation are positively related (r=0.5, p=0.05). D2 correlates negatively with maximum Geodetic Strain and Shear Strain (r=-0.56. p=0.03 and r=-0.56, p=0.02). </li></ul>
- 23. Asperity based Hazard Model T L (M) = dT/10 (a-bM) Oncel and Wyss, 2000
- 24. Asperity Hazard Model Maps of recurrence interval are shown for (a) Hs = 12.5km over the region of analysis conducted by Oncel and Wyss (2000) and (b) Hs =4km . Geodetical Moment Rate Kostrov 1974 Geodetical Strain Rate Ward, 1994 Oncel and Wilson, 2006 NBF CMF
- 25. Coulomb stress and aftershocks: Example from western Canada Distance Along Strike Oncel, 2002 and 2007
- 26. Almost 1000 stations in Japanese Islands daily measurement of location with accuracy of 1[cm] GPS Earth Observation Network (GEONET)
- 27. Aftershocks of July 26, 2003 (M w =6.0) GPS-local stations
- 28. Stress - Asperity
- 29. Anomalous seismicity Oncel and Wilson - 2007
- 30. Anomalous seismicity preceding the 1999 Izmir event
- 31. Contents of Presentation
- 32. Fluid effects of time-lapse seismic velocity: An experimental study Consultant: Osamu Nishizawa Exploration Geophysics Research Group, Advanced Industrial Science and Technology
- 33. Seismology - Rock Physics Fluid Effects of 4D Seismic Wave Propagation through Rocks Forecasting Study for Seismic Mechanism in Saudi Arabian Oil Fields Area
- 34. Appreciation Osamu Nishizawa Mr.Konishi
- 35. Fluid effects of time-lapse seismic velocity: An experimental study Particle velocity at the surface (Laser DopplerVibrometer) LDV Wave Memory PC 500 mV Waveform Generator Sample Fluid Container PZT Synthesizer & Amp. Optical unit of LDV reflection sheet
- 36. % Change Porosity Effecting Seismic Velocity Water Injection Velocity Saturatio n
- 37. Fluid Effected Seismic Velocity Shirahama Porosity: %13 Water Injection Oil Injection Velocity Saturation % Change
- 38. Forecasting Study for Seismic Mechanism in Saudi Arabian Oil Fields Area Consultant: Prof. Manabu Hashimoto DPRI, Kyoto University
- 39. Lack of High Quality Data within the Saudi Arabian Oil Fields Area
- 40. Analysis of High Quality Data through the Zagros Thrust Zone
- 41. Possible Future Works <ul><li>Asperity based Seismic Hazard </li></ul><ul><li>Geodetical Seismic Hazard </li></ul><ul><li>Refraction Seismic Tomography </li></ul><ul><li>Refraction Microtremor </li></ul><ul><li>Experimental Geophysics </li></ul>

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