Fig. 10From: Preliminary estimation of high-frequency (4–20 Hz) energy released from the 2016 Kumamoto, Japan, earthquake sequenceExamples of the hybrid theoretical envelope (red), the synthesized envelopes on the basis of the isotropic scattering model (blue), and the forward scattering approximation (green). The black curve shows the observed seismogram envelope at station N.YMGH for an earthquake occurring at 115 km distanceBack to article page