Seismic source model of the 2015 Off Central Chile Earthquake (preliminary result)

Results

Seismic Moment = 3.1 x 10^21 Nm (Mw 8.3);
Source duration T ~ 80 s;
Fault size L x W ~ 150 km x 100 km;
(strike, dip, rake) = (5, 15, 117)

Slip distribution

Slip distribution, source time function, Epicenter of mainshock (star), aftershocks (blue circles)

Comparison of observed (black) and synthetic waveforms (red)