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Time Domain Moment Tensor & Finite Fault Solution for the Aquila Earthquake (2009/04/06 01:32) Elisa Tinti and Laura Scognamiglio Preliminary results,

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Presentation on theme: "Time Domain Moment Tensor & Finite Fault Solution for the Aquila Earthquake (2009/04/06 01:32) Elisa Tinti and Laura Scognamiglio Preliminary results,"— Presentation transcript:

1 Time Domain Moment Tensor & Finite Fault Solution for the Aquila Earthquake (2009/04/06 01:32) Elisa Tinti and Laura Scognamiglio Preliminary results, Roma 28/04/2009

2 TDMT for Ml>4.0 events Inverted frequencies: 0.02-0.05 Hz Data used: Italian Seismic Netwok

3 Mainshock TDMT solution (2009/04/06 01:32)

4 Finite Fault Solution: Fault geometry Fault dimension: 16 km x 26 km; Subfaults: 2km x 2km

5 Finite Fault Solution: Only Strong Motion inverted Focal Mechanism (140°, 49°, -90°) Inverted freq.: 0.05 - 0.5 Hz; Moment=1.8e+25 Rise time = 1.9 s; Rupture Velocity =2.3 km/s

6 Inverted frequencies: 0.05 - 0.5 Hz Rise time = 1.9 s STF Triangular function Moment: Rupture Velocity =2.3 km/s Focal Mechanism (140°, 49°, -90°) Finite Fault Solution: Strong Motion & GPS inverted Gps data given by Cheloni et al.

7 Finite Fault Solution: Strong Motion & GPS inverted Original discretization (2x2 km) Model interpolated ???


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