Fig. 15From: Real-time seismic intensity prediction using frequency-dependent site amplification factorsTheoretical radiation pattern coefficients ratio for a case 1: interstation distance causes azimuthal difference and b case 2: interstation distance causes epicentral distance difference. For a, black line means azimuthal difference (δθ) is 17°, while red line means azimuthal difference is 10°Back to article page