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. 2022 Apr 22;20(6):2825–3069. doi: 10.1007/s10518-022-01357-4

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Fig. 13 — The acceleration and velocity time-series from the recording at the CIG station of the M 5.7 San Salvador, El Salvador, earthquake of October 1986. The upper plot shows the accumulation of Arias intensity and the significant duration (of 0.96 s) based on the interval between obtaining 5% and 75% of the total Arias intensity