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Earth, Planets and Space
Fig. 8 | Earth, Planets and Space

Fig. 8

From: Seismic signature detection during the 2018 Anak Krakatau flank collapse and tsunami using seismic amplitudes from regional-scale monitoring

Fig. 8

Signature of flank collapse-related events F1–F3. a Scanning results and the identification of F1–F3 examination windows used for computing (c) and (d). Red-shaded areas denote the time length of the windows. b Filtered seismograms at three stations showing F1–F3 signals. c Averaged source-normalized amplitudes with epicentral distance for the examination windows in a. Colors are scaled between the minimum and maximum amplitudes for each event. Red lines denote the averaged surface wave theoretical attenuation. d Maps of the averaged source-normalized amplitudes at the locations of seismic stations

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