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Fig. 4 | Earth, Planets and Space

Fig. 4

From: Rapid estimation of tsunami earthquake magnitudes at local distance

Fig. 4

Distinguishing “Good” and “Not Good” data. Good data are data with peak integrated displacement times between \(T_0 + T_S\) and \(T_0 + 2.5T_S + T_D\), as shown in Fig. 3. The peak digital counts of the original record (BIT, left) and the integrated displacement amplitudes (right) are compared between a velocity-type strong-motion (VSM) seismometers and b broadband (BB) seismometers. Good data are shown above the 0 line, and Not Good data (as defined in the text) are shown below the line. Ratios of Good good to the total number of data are shown by red circles (right-side scale)

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