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

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

TDMT for Ml>4.0 events

Inverted frequencies: 0.02-0.05 Hz

Data used: Italian Seismic Netwok

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

Finite Fault Solution:Fault geometry

Fault dimension: 16 km x 26 km;Subfaults: 2km x 2km

Finite Fault Solution: Only Strong Motion invertedFocal 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

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.

Finite Fault Solution: Strong Motion & GPS inverted

Original discretization(2x2 km)

Model interpolated???