Session III:
Physically-based simulation of earthquike generation and the earthquake cycle

2nd ACES (APEC Cooperation for Earthquake Simulation) Workshop in Japan

Modeling 3-D configuration of Plate Boundaries in and around Japanese Islands
Kenji Fukui, Toshinori Sato, Takaya Iwasaki


We constructed very fine configuration model of plate boundaries in and around Japanese islands. We modeled Pacific plate and Philippine Sea plate. The mesh interval is 8km x 8km. We parameterized the plate configuration from hypocenter distribution with superposition of basis functions using ABIC criterion. In numerical calculation, we modified algorithm to use only non-zero terms in matrices, and we could reduce execution count drastically.

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