Fig. 5: Distribution of DC components as a function of the angle of dip, δ, for large (Mw ≥ 7.0) shallow (hypocentral depth within 50 km) earthquakes in the GCMT catalogue (1990–2021).
From: The impact of faulting complexity and type on earthquake rupture dynamics
More than three hundred events are considered and a clear trend, although weak and with large scattering of data, indicates the DC values are negatively correlated to the angle of dip. The best linear fit is given by DC = −0.19δ + 96.8. This effect has origin in the different composition of the seismic pattern used for moment tensor inversion and must be considered for a correct interpretation of results shown in the previous figures.
