| NSF Org: |
EAR Division Of Earth Sciences |
| Recipient: |
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| Initial Amendment Date: | December 5, 2005 |
| Latest Amendment Date: | July 14, 2010 |
| Award Number: | 0548277 |
| Award Instrument: | Continuing Grant |
| Program Manager: |
Eva Zanzerkia
EAR Division Of Earth Sciences GEO Directorate for Geosciences |
| Start Date: | February 1, 2006 |
| End Date: | January 31, 2012 (Estimated) |
| Total Intended Award Amount: | $609,024.00 |
| Total Awarded Amount to Date: | $609,024.00 |
| Funds Obligated to Date: |
FY 2007 = $118,000.00 FY 2008 = $120,789.00 FY 2009 = $123,655.00 FY 2010 = $125,007.00 |
| History of Investigator: |
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| Recipient Sponsored Research Office: |
1200 E CALIFORNIA BLVD PASADENA CA US 91125-0001 (626)395-6219 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
1200 E CALIFORNIA BLVD PASADENA CA US 91125-0001 |
| Primary Place of
Performance Congressional District: |
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| Unique Entity Identifier (UEI): |
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| Parent UEI: |
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| NSF Program(s): | Geophysics |
| Primary Program Source: |
app-0107 01000809DB NSF RESEARCH & RELATED ACTIVIT 01000910DB NSF RESEARCH & RELATED ACTIVIT 01001011DB NSF RESEARCH & RELATED ACTIVIT |
| Program Reference Code(s): |
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| Program Element Code(s): |
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| Award Agency Code: | 4900 |
| Fund Agency Code: | 4900 |
| Assistance Listing Number(s): | 47.050 |
ABSTRACT
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Abstract, Nadia Lapusta
Studies of earthquake source processes involve geophysics, mechanics, scientific computing, materials science, applied physics, engineering, applied mathematics, and other subjects. This project is designed to take advantage of this multidisciplinary nature to achieve two interconnected goals: (I) To prepare broadly educated researchers capable of collaborating across disciplines and communicating their results to a broader community, and (II) To advance our understanding of earthquake source processes through interdisciplinary approach to earthquake modeling that takes into account experimental studies, field observations, and analytical models of the underlying phenomena. The PI aims to (1) Develop, based on physical theories and laboratory experiments, constitutive laws for frictional processes relevant to earthquake phenomena; (2) Formulate realistic fault models based on those laws; (3) Simulate spontaneous fault behavior in the developed models, to identify factors and parameter ranges responsible for observed behavior of dynamic ruptures and aseismic slip; (4) Create a multidisciplinary learning environment through (a) development of a research-based course on dynamic fracture and frictional faulting that combines cutting-edge geophysical and engineering knowledge relevant to earthquake studies, and (b) involvement of graduate and undergraduate students from different disciplines in the proposed research; (5) Reach out to a broader community by visiting science classrooms in neighboring public schools that serve mostly underrepresented minorities and giving presentations about earthquake studies and scientific discovery to help high-school students learn more about what scientists do and motivate them to pursue careers in science and engineering. Improved constitutive laws and earthquake models introduced as a result of this project would provide physically and experimentally based alternatives for analyzing and interpreting seismic and geodetic data. The proposed studies will lead to better understanding of interseismic behavior, earthquake nucleation, and dynamic rupture propagation that is essential for proper seismic hazard planning.
PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH
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