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Earth, Planets and Space
Fig. 7 | Earth, Planets and Space

Fig. 7

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

Fig. 7

Source-normalized amplitudes with epicentral distance from Anak Krakatau for the earthquakes EQ1–EQ4. We compare the amplitudes within the examination windows in Fig. 6 with a \(C>\) 0.3 (from EQ1 and EQ2), b \(C\approx\) 0 (EQ3), and c \(C<\) − 0.3 (EQ4). Amplitudes from stations closest to the earthquake epicenter are labeled. Red lines and areas show the average and ± 1 standard deviation of the theoretical surface wave attenuation curves

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