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Progress in Earth and Planetary Science
Fig. 1 | Progress in Earth and Planetary Science

Fig. 1

From: Crustal deformation detection capability of the GNSS-A seafloor geodetic observation array (SGO-A), provided by Japan Coast Guard

Fig. 1

a An example of virtual time series used in Sect. 2.1 in the case of observation frequency (f) = 2 times/year. Blue, orange and gray lines indicate a fitting line, ± 1σ ranges and the 95% confidence levels (CL) for the linear fitting, respectively. Green arrow indicates an observation period (T). b An example of virtual time series used in Sect. 2.2 in a regular earthquake case (upper) and an SSE case (bottom). Sample sizes S1 and S2 are the numbers of the data before and after the event, respectively. An event size is depicted by a red arrow. c An example of virtual time series used in Sect. 2.3. In this virtual data, the standard deviation σ is given to the functions represented by Eqs. (3) and (4)

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