TeraShake

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SCEC TeraShake - Supporting an Earthquake Storage Intensive Simulation

Marcio Faerman San Diego Supercomputer Center

TeraShake, a Southern California Earthquake Center Community Modeling Environment (SCEC/CME) compute and storage intensive simulation, models a large earthquake occurring on the southern San Andreas Fault in California. There is significant interest in modeling earthquakes in Southern California and Northern Mexico. The simulation is based on the Anelastic Wave Propagation Model code, developed by Kim B. Olsen from San Diego State University. The code, enhanced during the TeraShake effort, is now available to the earthquake community.

The simulation, modeled on a rectangular 3000 x 1500 x 400 mesh with 1.8 billion points, will run 20,000 time steps at the San Diego Supercomputer Center (SDSC) DataStar machine. Each step can produce a 21.6GByte snapshot containing ground motion velocity vectors. A 4D wavefield containing 2,000 snapshots, amounting to 43TBytes of data, will be generated at SDSC. Surface data will be archived every step for synthetic seismogram engineering analysis, totaling 1 Tbyte.

Related Information

Team Members: Kim B. Olsen, San Diego State University Jean-Bernard Minster , University of California, San Diego Reagan Moore, San Diego Supercomputer Center Steven Day, San Diego State University Philip Maechling, University of Southern California Thomas H. Jordan, University of Southern California Marcio Faerman, San Diego Supercomputer Center Yifeng Cui, San Diego Supercomputer Center Geoffrey Ely, University of California, San Diego Yuanfang Hu, San Diego Supercomputer Center Boris Shkoller, University of California, San Diego Carey Marcinkovich, ExxonMobil Exploration Company Jacobo Bielak, Carnegie Mellon University David Okaya, University of Southern California Ralph Archuleta, University of California, Santa Barbara Nancy Wilkins-Diehr, San Diego Supercomputer Center Steve Cutchin, San Diego Supercomputer Center Amit Chourasia, San Diego Supercomputer Center George Kremenek, San Diego Supercomputer Center Arun Jagatheesan, San Diego Supercomputer Center Leesa Brieger, San Diego Supercomputer Center Amit Majumdar, San Diego Supercomputer Center Giridhar Chukkapalli, San Diego Supercomputer Center Qiao Xin, San Diego Supercomputer Center Richard Moore, San Diego Supercomputer Center Bryan Banister, San Diego Supercomputer Center Donald Thorp, San Diego Supercomputer Center Patricia Kovatch, San Diego Supercomputer Center Larry Diegel, San Diego Supercomputer Center Tom Sherwin, San Diego Supercomputer Center Christopher Jordan, San Diego Supercomputer Center Marcus Thiebaux, Information Sciences Institute Julio Lopez, Carnegie Mellon University