Figure 7
From: Characteristics and impact of environmental shaking in the Taipei metropolitan area

The median values of the daily amplitude at stations in different subareas for three frequency bands: (a) < 0.2 Hz, (b) 0.25–1 Hz, and (c) 2–20 Hz. DOY, day of year. The blue vertical bar on the y-axis shows the range of first points in the two-month time-series for the various stations. The grey vertical area in (c) indicates the Chinese New Year holiday.